Difference between revisions of "J29D"

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|store=7174
 
|store=7174
 
}}
 
}}
{{About
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| about = gift Swedish jet fighter '''{{PAGENAME}}'''
 
| usage = other versions
 
| link = J29 (Family)
 
}}
 
 
== Description ==
 
== Description ==
 
<!-- ''In the description, the first part should be about the history of and the creation and combat usage of the aircraft, as well as its key features. In the second part, tell the reader about the aircraft in the game. Insert a screenshot of the vehicle, so that if the novice player does not remember the vehicle by name, he will immediately understand what kind of vehicle the article is talking about.'' -->
 
<!-- ''In the description, the first part should be about the history of and the creation and combat usage of the aircraft, as well as its key features. In the second part, tell the reader about the aircraft in the game. Insert a screenshot of the vehicle, so that if the novice player does not remember the vehicle by name, he will immediately understand what kind of vehicle the article is talking about.'' -->
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The '''{{Specs|name}}''' is a gift rank {{Specs|rank}} Swedish jet fighter {{Battle-rating}}. It was introduced in [[Update 1.93 "Shark Attack"]].
 
The '''{{Specs|name}}''' is a gift rank {{Specs|rank}} Swedish jet fighter {{Battle-rating}}. It was introduced in [[Update 1.93 "Shark Attack"]].
  
When conjuring up thoughts of fighter jets, many would initially think of a sleek, weapon-laden fast jet which would almost rival a hot-rod in the car world. When presented with the {{PAGENAME}}, most people would cock their head to the side with a puzzled look on their face. It's a good thing that fighter jets are not determined by looks alone! The {{PAGENAME}} is, for lack of a better phrase, a "wolf in sheep's clothing", initially laughed at as being the "chubby kid on the block". Once up in the air, however, it is quickly realised that this rotund little fighter is a dynamic powerhouse!
+
When conjuring up thoughts of fighter jets, many would initially think of a sleek, weapon-laden fast jet which would almost rival a hot-rod in the car world. When presented with the {{PAGENAME}}, most people would cock their head to the side with a puzzled look on their face. It's a good thing that fighter jets are not determined by looks alone! The {{PAGENAME}} is, for lack of a better phrase, a "wolf in sheep's clothing", initially laughed at as being the "chubby kid on the block". Once up in the air, however it is quickly realised that this rotund little fighter is a dynamic powerhouse!
[[File:J29D_004.png|350px|thumb|left|'''{{PAGENAME}}''' in a power climb launching a [[m/49]] unguided rocket.]]
+
 
While many other nations were fixated on designing straight-wing aircraft, the Swedes were busy exploiting the knowledge of former Messerschmitt engineers in implementing swept wings onto their fighters. With this and other improvements, the {{PAGENAME}} was an attempt by the Swedish air force at creating a fast climbing bomber-interceptor armed with the deadliest fixed armament for its time. Although it was not supersonic, it could reach speeds above 1060 km/h at certain altitudes. The nose of the aircraft was bristling with four 30 mm autocannons and several types of attack rockets could be mounted beneath its wings. A lesson from WWII was that the best aircraft were the ones capable of performing several roles, and the {{PAGENAME}} is indeed capable of performing more than one role. Depending on the load-out, the {{PAGENAME}} can perform anything from interceptor missions to air superiority missions to high speed attack missions. This functionality makes the J29D extremely versatile and a valuable asset to its team in the game.
+
While many other nations were fixated on designing straight-wing aircraft, the Swedes were busy exploiting the knowledge of former Messerschmitt engineers in implementing swept wings onto their fighters. With this and other improvements, the {{PAGENAME}} was found to be pretty fast during its trials. Although it was not supersonic, it was pushing 900 km/h. It handled like a dream, being extremely quick and agile. The nose of the aircraft was bristling with four 30 mm ADEN autocannons, and various types of suspended ordnance could be outfitted, including light rockets, heavy anti-ship rockets, air-to-air rockets, and guided missiles. Sweden didn't have the money to develop aircraft specifically for a combat role, so they designed their {{PAGENAME}} to do it all and do it well. Depending on the load-out, the {{PAGENAME}} could fly like a fighter, interceptor, bomber, or a combination of the three. This functionality comes in very handy as in-game spawns can lead to a map with specific requirements and the pilot will have no problems configuring the weapons of this aircraft to fit the mission, whereas some other contemporary fighters are quite limited in their options.
  
 
If not kept in check, the {{PAGENAME}} can quickly become the bully on the block hard-charging into the battlefield, wreaking havoc and then departing without a second thought. If two fighters are headed your way, your best bet will be to take out the {{PAGENAME}} first or it will likely nab you in the rear and send you down in flames.
 
If not kept in check, the {{PAGENAME}} can quickly become the bully on the block hard-charging into the battlefield, wreaking havoc and then departing without a second thought. If two fighters are headed your way, your best bet will be to take out the {{PAGENAME}} first or it will likely nab you in the rear and send you down in flames.
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=== Flight performance ===
 
=== Flight performance ===
 
<!-- ''Describe how the aircraft behaves in the air. Speed, manoeuvrability, acceleration and allowable loads - these are the most important characteristics of the vehicle.'' -->
 
<!-- ''Describe how the aircraft behaves in the air. Speed, manoeuvrability, acceleration and allowable loads - these are the most important characteristics of the vehicle.'' -->
[[File:J29D_001.png|450px|thumb|right|'''{{PAGENAME}}''' removing one wing at a time on a Me 262.]]
+
 
 
When flying the {{PAGENAME}}, it is hoped that enemy pilots will take one look, chuckle, and not take the rotund Swedish fighter seriously, only to learn the hard way they were wrong. The {{PAGENAME}} has the speed, agility, and ordnance to be considered a powerhouse in the sky. Being outfitted with an afterburning engine, the {{PAGENAME}} can fly upwards of 1,000 km/h and climbs up to altitude at a whipping 55 metres per second. This allows the fighter to get in and out of contested areas to engage its targets of choice. This fighter was built for speed and agility and uses these characteristics to show up other aircraft which may be faster or bulkier, sidestepping their attacks and jumping back in to nab the kill. Thanks to the way the four ADEN cannons are mounted when the {{PAGENAME}} lines up a target and fires, it is almost like a 30 mm shotgun being fired off. A tight spread of 30 mm rounds heads downfield, and when impacting another aircraft, rarely is there enough left of the plane to fly.
 
When flying the {{PAGENAME}}, it is hoped that enemy pilots will take one look, chuckle, and not take the rotund Swedish fighter seriously, only to learn the hard way they were wrong. The {{PAGENAME}} has the speed, agility, and ordnance to be considered a powerhouse in the sky. Being outfitted with an afterburning engine, the {{PAGENAME}} can fly upwards of 1,000 km/h and climbs up to altitude at a whipping 55 metres per second. This allows the fighter to get in and out of contested areas to engage its targets of choice. This fighter was built for speed and agility and uses these characteristics to show up other aircraft which may be faster or bulkier, sidestepping their attacks and jumping back in to nab the kill. Thanks to the way the four ADEN cannons are mounted when the {{PAGENAME}} lines up a target and fires, it is almost like a 30 mm shotgun being fired off. A tight spread of 30 mm rounds heads downfield, and when impacting another aircraft, rarely is there enough left of the plane to fly.
  
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{| class="wikitable" style="text-align:center"
 
{| class="wikitable" style="text-align:center"
! rowspan="2" | Characteristics
+
|-
! colspan="2" | Max Speed<br>(km/h at 0 m - sea level)
+
! colspan="8" | Characteristics
 +
|-
 +
! colspan="8" | ''Stock''
 +
|-
 +
! colspan="2" | Max Speed<br>(km/h at 0 m - at sea level)
 
! rowspan="2" | Max altitude<br>(meters)
 
! rowspan="2" | Max altitude<br>(meters)
 
! colspan="2" | Turn time<br>(seconds)
 
! colspan="2" | Turn time<br>(seconds)
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! AB !! RB !! AB !! RB !! AB !! RB
 
! AB !! RB !! AB !! RB !! AB !! RB
 
|-
 
|-
! Stock
+
| 1,032 || 1,027 || {{Specs|ceiling}} || 29.2 || 30.8 || 11.8 || 8.3 || 800
| 1,032 || 1,027 || rowspan="2" | {{Specs|ceiling}} || 29.2 || 30.8 || 48.8 || 45.3 || rowspan="2" | 800
 
 
|-
 
|-
! Upgraded
+
! colspan="8" | ''Upgraded''
| 1,048 || 1,040 || 28.7 || 29.0 || 70.6 || 59.0
+
|-
 +
! colspan="2" | Max Speed<br>(km/h at 0 m - at sea level)
 +
! rowspan="2" | Max altitude<br>(meters)
 +
! colspan="2" | Turn time<br>(seconds)
 +
! colspan="2" | Rate of climb<br>(meters/second)
 +
! rowspan="2" | Take-off run<br>(meters)
 +
|-
 +
! AB !! RB !! AB !! RB !! AB !! RB
 +
|-
 +
| 1,048 || 1,040 || {{Specs|ceiling}} || 28.8 || 29.0 || 33.6 || 22 || 800
 
|-
 
|-
 
|}
 
|}
[[File:J29D_005.png|450px|thumb|right|'''{{PAGENAME}}''' taking on a target-bound Canberra B (I) Mk 6]]
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==== Details ====
 
==== Details ====
 
{| class="wikitable" style="text-align:center"
 
{| class="wikitable" style="text-align:center"
 
|-
 
|-
! colspan="6" | Features
+
! colspan="5" | Features
 
|-
 
|-
! Combat flaps !! Take-off flaps !! Landing flaps !! Air brakes !! Arrestor gear !! Drogue chute
+
! Combat flaps !! Take-off flaps !! Landing flaps !! Air brakes !! Arrestor gear
 
|-
 
|-
| ✓ || ✓ || ✓ || ✓ || X || X    <!-- ✓ -->
+
| ✓ || ✓ || ✓ || ✓ || X <!-- ✓ -->
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="text-align:center"
 
{| class="wikitable" style="text-align:center"
 
|-
 
|-
! colspan="7" | Limits
+
! colspan="5" | Limits
 
|-
 
|-
! rowspan="2" | Wings (km/h)
+
! rowspan="2" | Wing-break speed<br>(km/h)
! rowspan="2" | Gear (km/h)
+
! rowspan="2" | Gear limit<br>(km/h)
! colspan="3" | Flaps (km/h)
+
! rowspan="2" | Combat flaps<br>(km/h)
 
! colspan="2" | Max Static G
 
! colspan="2" | Max Static G
 
|-
 
|-
! Combat !! Take-off !! Landing !! + !! -
+
! + !! -
 
|-
 
|-
| {{Specs|destruction|body}} || {{Specs|destruction|gear}} || 520 || 520 || 320 || ~11 || ~5
+
| {{Specs|destruction|constructions}} || {{Specs|destruction|chassis}} || 520 || ~11 || ~5
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="text-align:center"
 
{| class="wikitable" style="text-align:center"
 
|-
 
|-
! colspan="4" | Optimal velocities (km/h)
+
! colspan="4" | Optimal velocities
 
|-
 
|-
! Ailerons !! Rudder !! Elevators !! Radiator
+
! Ailerons<br>(km/h)
 +
! Rudder<br>(km/h)
 +
! Elevators<br>(km/h)
 +
! Radiator<br>(km/h)
 
|-
 
|-
 
| < 650 || < 640 || < 450 || N/A
 
| < 650 || < 640 || < 450 || N/A
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|}
 
|}
  
==== Engine performance ====
 
 
{| class="wikitable" style="text-align:center"
 
{| class="wikitable" style="text-align:center"
 
|-
 
|-
! colspan="3" | Engine
+
! colspan="3" | Compressor (RB/SB)
! colspan="4" | Aircraft mass
 
|-
 
! colspan="2" | Engine name || Number
 
! colspan="2" | Empty mass || colspan="2" | Wing loading (full fuel)
 
|-
 
| colspan="2" | Svenska Flygmotor RM2B ||  1
 
| colspan="2" | 4,920 kg || colspan="2" | 282 kg/m<sup>2</sup>
 
|-
 
! colspan="3" | Engine characteristics
 
! colspan="3" | Mass with fuel (no weapons load) || rowspan="2" | Max Takeoff<br />Weight
 
|-
 
! Weight (each) || colspan="2" | Type
 
! 8m fuel || 20m fuel || 28m fuel
 
|-
 
| 1,150 kg || colspan="2" | Afterburning centrifugal-flow turbojet
 
| 5,398 kg || 6,136 kg || 6,627 kg || 7,080 kg
 
 
|-
 
|-
! colspan="3" | {{Annotation|Maximum engine thrust @ 0 m (RB / SB)|The maximum thrust produced by each engine, while mounted in the aircraft. NOTE: Thrust varies significantly depending on speed & altitude.}}
+
! colspan="3" | Setting 1
! colspan="4" | Thrust to weight ratio @ 0 m (WEP)
 
 
|-
 
|-
! Condition || 100% || WEP
+
! Optimal altitude
! 8m fuel || 20m fuel || 28m fuel || MTOW
+
! 100% Engine power
 +
! WEP Engine power
 
|-
 
|-
| ''Stationary'' || 2,070 kgf || 2,881 kgf
+
| 0 m || 2,070 kgf || 2,484 kgf
| 0.53 || 0.47 || 0.43 || 0.41
 
|-
 
| ''Optimal'' || 2,070 kgf<br />(0 km/h) || 3,001 kgf<br />(0 km/h)
 
| 0.55 || 0.49 || 0.45 || 0.42
 
 
|-
 
|-
 
|}
 
|}
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* 64 mm bulletproof canopy windscreen
 
* 64 mm bulletproof canopy windscreen
 
* 10 mm steel plate behind pilot's seat
 
* 10 mm steel plate behind pilot's seat
* 10 mm steel plate in the nose
+
* 10 mm steel plate in nose
  
 
The stout little {{PAGENAME}} is a sneaky little fighter which might be underestimated during a head-on. A 64 mm bulletproof windscreen is in place, which, since it is sloped, provides 165 mm total protection, allowing the pilot to have a greater chance of survival in a head-on. However, unless highly experienced, pilots should avoid head-ons, especially against aircraft such as the [[Super Mystere B2]] and the [[G.91 YS]] which also feature 30 mm DEFA 552 cannons. Make sure to avoid the B2 as well, as the AA.20 air-to-air guided rockets will make the {{PAGENAME}} have a hard time standing up to this aircraft.
 
The stout little {{PAGENAME}} is a sneaky little fighter which might be underestimated during a head-on. A 64 mm bulletproof windscreen is in place, which, since it is sloped, provides 165 mm total protection, allowing the pilot to have a greater chance of survival in a head-on. However, unless highly experienced, pilots should avoid head-ons, especially against aircraft such as the [[Super Mystere B2]] and the [[G.91 YS]] which also feature 30 mm DEFA 552 cannons. Make sure to avoid the B2 as well, as the AA.20 air-to-air guided rockets will make the {{PAGENAME}} have a hard time standing up to this aircraft.
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* 4 x 30 mm Akan m/55 cannons, nose-mounted (100 rpg = 400 total)
 
* 4 x 30 mm Akan m/55 cannons, nose-mounted (100 rpg = 400 total)
  
The {{PAGENAME}}, like many of the fighters of the time, got away from machine guns and was outfitted with harder-hitting autocannons, in this case, 30 mm ADEN cannons. The cannons are clustered around the central air-intake of the aircraft, resulting in optimal fire control as convergence is not an issue. However, the pilot must still correct for bullet drop for the 30 mm rounds. The four ADEN cannons only have 100 rounds per gun, requiring the pilot to exercise trigger control so not to waste ammunition. With these harder hitting rounds, however, only a quick burst is needed to send an aircraft down in a flaming heap.[[File:J29D_006.jpg|400px|thumb|right|'''{{PAGENAME}}''' firing off a [[m/49]] unguided rocket.]]
+
The {{PAGENAME}}, like many of the fighters of the time, got away from machine guns and was outfitted with harder-hitting autocannons, in this case, 30 mm ADEN cannons. The cannons are clustered around the central air-intake of the aircraft, resulting in optimal fire control as convergence is not an issue. However, the pilot must still correct for bullet drop for the 30 mm rounds. The four ADEN cannons only have 100 rounds per gun, requiring the pilot to exercise trigger control so not to waste ammunition. With these harder hitting rounds however, only a quick burst is needed to send an aircraft down in a flaming heap.
  
 
=== Suspended armament ===
 
=== Suspended armament ===
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* Without load
 
* Without load
* 24 x 7,5 cm srak m/55 rockets
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* 24 x m/55 rockets
* 14 x 14,5 cm psrak m/49A rockets
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* 14 x m/49A rockets
* 14 x 15 cm srak m/51 rockets
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* 14 x m/51 rockets
* 4 x 18 cm hprak m/49 rockets
+
* 4 x m/49 rockets
  
 
== Usage in battles ==
 
== Usage in battles ==
 
<!--''Describe the tactics of playing in the vehicle, the features of using vehicles in the team and advice on tactics. Refrain from creating a "guide" - do not impose a single point of view but give the reader food for thought. Describe the most dangerous enemies and give recommendations on fighting them. If necessary, note the specifics of the game in different modes (AB, RB, SB).''-->
 
<!--''Describe the tactics of playing in the vehicle, the features of using vehicles in the team and advice on tactics. Refrain from creating a "guide" - do not impose a single point of view but give the reader food for thought. Describe the most dangerous enemies and give recommendations on fighting them. If necessary, note the specifics of the game in different modes (AB, RB, SB).''-->
  
Although the J29D is a fast jet capable of reaching high speed, at the start it can be pretty slow. The J29D has the chance to fight supersonic jets at its battle rating which it can't hunt down by itself. As such, the J29D is best used in teamwork with other jets to either catch up to the enemy plane or make them do manoeuvres to bleed some speed so the J29D can catch up. If faced with subsonic jets, it can keep up with them and stay on its tail thanks to its manoeuvrability. For the daredevils, the J29D has an excellent armament of choice to do head-ons with. These load outs would be best put to use if no teammate around to help you fight the enemy. Because the J29D has slow acceleration at the start of the game, it can have a hard time intercepting enemies at first. As the battle progresses and you will have worked up speed, this task will be made much easier.
+
Although the J29D is a fast jet capable of reaching high speed, at start it can be pretty slow. The J29D has the chance to fight supersonic jets at its BR which it can't hunt down by itself. As such, the J29D is best used in teamwork with other jets to either catch up to the enemy plane or make them do manoeuvres to bleed some speed so the J29D can catch up. If faced with subsonic jets, it can keep up with them and stay on its tail thanks to the its manoeuvrability. For the daredevils, the J29D has an excellent armarment of choice to do head-ons with. These loadouts would be best put to use if no teammate around to help you fight the enemy. Because the J29D has slow acceleration at the start of the game, it can have a hard time intercepting enemies at first. As the battle progresses and you will have worked up speed, this task will be made much easier.
  
The J29D can also be used as an excellent ground attacker for more experienced players who are used to aiming unguided rockets. It has a variety of rockets, allowing you to sufficiently take out a wide variety of targets (light, medium, heavy, etc.). With most loads having more than 10 rockets, an experienced player can take out a few ground targets each spawn. Along with the rockets, the four 30 mm guns, given the proper belt choice, can inflict heavy damage upon soft and somewhat hard targets as well.
+
The J29D can also be used as a excellent ground attacker for more experienced players who are used to aiming unguided rockets. It has a variety of rockets, allowing you to sufficiently take out a wide variety of targets (light, medium, heavy, etc.). With most loads having more than 10 rockets, an experienced player can take out a few ground targets each spawn. Along with the rockets, the four thirty millimeter guns, given the proper belt choice, can inflict heavy damage upon soft and somewhat hard targets as well.
  
Even as an excellent fighter, the J92D has dangerous enemies, mainly high-subsonic jets like MiG-17 and anti-air missile firing jets like G.91 YS and Swift F.7.  
+
Even as a excellent fighter, the J92D has dangerous enemies, mainly supersonic jets like MiG-17 and Anti-Air Missile holding jets like G.91 YS and Swift F.7.  
  
 
=== Modules ===
 
=== Modules ===
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| I
 
| I
 
| Fuselage repair
 
| Fuselage repair
|
+
| Compressor
 
|
 
|
 
| Offensive 30 mm
 
| Offensive 30 mm
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| II
 
| II
 
|
 
|
| Compressor
+
|
 
| Airframe
 
| Airframe
 
|
 
|
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|-
 
|-
 
| IV
 
| IV
| G-suit
+
|
 
| Engine
 
| Engine
 
| Cover
 
| Cover
 
|
 
|
 
| m/49
 
| m/49
|-
 
! colspan="6" |This is a premium vehicle: all modifications are unlocked on purchase
 
 
|-
 
|-
 
|}
 
|}
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* Fast and agile
 
* Fast and agile
* Multi-role aircraft (fighter/attacker/interceptor)
+
* Multi-role aircraft (fighter/bomber/interceptor)
* Four nose-mounted 30 mm akan m/55 autocannons
+
* Four nose-mounted 30 mm Akan autocannons
* Accelerates well in a climb
 
* Combat flaps handles speeds up to 800+ km/h.
 
  
 
'''Cons:'''
 
'''Cons:'''
  
* Loses its agility at high speeds
+
* Rotund - larger target profile
* Tends to be up-tiered against planes which are faster
+
* Subsonic aircraft flying against supersonic aircraft
* Bleeds through ammunition quickly - requires trigger patience
 
* Guns have high recoil which pulls the nose down when firing making aiming and leading harder
 
  
 
== History ==
 
== History ==
 
<!-- ''Describe the history of the creation and combat usage of the aircraft in more detail than in the introduction. If the historical reference turns out to be too long, take it to a separate article, taking a link to the article about the vehicle and adding a block "/History" (example: <nowiki>https://wiki.warthunder.com/(Vehicle-name)/History</nowiki>) and add a link to it here using the <code>main</code> template. Be sure to reference text and sources by using <code><nowiki><ref></ref></nowiki></code>, as well as adding them at the end of the article with <code><nowiki><references /></nowiki></code>. This section may also include the vehicle's dev blog entry (if applicable) and the in-game encyclopedia description (under <code><nowiki>=== In-game description ===</nowiki></code>, also if applicable).'' -->
 
<!-- ''Describe the history of the creation and combat usage of the aircraft in more detail than in the introduction. If the historical reference turns out to be too long, take it to a separate article, taking a link to the article about the vehicle and adding a block "/History" (example: <nowiki>https://wiki.warthunder.com/(Vehicle-name)/History</nowiki>) and add a link to it here using the <code>main</code> template. Be sure to reference text and sources by using <code><nowiki><ref></ref></nowiki></code>, as well as adding them at the end of the article with <code><nowiki><references /></nowiki></code>. This section may also include the vehicle's dev blog entry (if applicable) and the in-game encyclopedia description (under <code><nowiki>=== In-game description ===</nowiki></code>, also if applicable).'' -->
[[File:J29D_002.jpg|450px|thumb|right|'''{{PAGENAME}}''' cruising the sky looking for targets.]]
+
Following World War II, Sweden felt that they had fallen behind in technological advancements when it came to military aircraft and strove to rectify the situation while beefing up they considered was their current weak air defence. Jet propulsion technology was cutting-edge and Sweden was not to be left out. In 1945, Sweden's leading aeronautical firm began to work on design ideas of potential future fighter aircraft. Through a design contest, a clear winner emerged which was a barrel-shaped fighter which promised to be the faster and more agile of the proposed aircraft, this fighter was given the codename "R 1001".
=== Initial development ===
 
During WWII, Sweden had effectively fallen behind in the development of military aircraft. This was largely due to a severely underdeveloped aircraft engine industry in Sweden which meant that there were no high-end engines available for aircraft production. Thus Sweden was still projecting propeller-driven fighter aircraft in 1945 equivalent to fighters projected by other nations 1-3 years prior. Since it was obvious by 1945 that jet aircraft was the future the Swedish Air Force decided to immediately scrap all propeller-driven fighter projects and instead make the jump to a jet fighter. Sweden's leading aeronautical firm SAAB, who was already actively working with the Swedish Air Force on the previously mentioned propeller fighters, was tasked with projecting this new jet fighter. Several designs were looked at but by mid-1945 it was decided that a mid-high wing aircraft with a central air intake would be the best option. Due to the mid-high wing it was not possible to house the landing gear in the wings. Instead, it was decided to house the landing gear in the fuselage of the aircraft. This concept got the project name R1001, R standing for "reaktionsmotor" (reaction engine), the Swedish military term for jet engines.
 
  
The original specifications for the R1001 called for a radar rangefinder, four Bofors 20 mm akan m/45 cannons mounted in the nose with 180 rounds per gun, external fuel tanks and a top speed of 1,000 km/h. The engine was originally supposed to be an indigenous design by the company STAL but by late 1945 Sweden had gotten the green light for acquiring the new state-of-the-art de Havilland Ghost engine. There are several reasons why Sweden was allowed to buy this engine even before it was finished, but the two main factors were the economic state of Britain after the war and Sweden's good relations with the company de Havilland. The engine was however not the only thing which changed at an early stage. Originally the R1001 featured straight wings, as was common at the time. However, by pure luck Sweden was able to acquire some German WWII research papers from a Swiss source regarding swept wings on aircraft and their increased performance at high speeds. Thus it was decided to change the R1001 design to feature swept wings. The first blueprints of the R1001 featuring swept wings were finished by late 1945 and within 3 years a prototype had been constructed and was ready for flight testing. During these 3 years the design would change even further from the original concept. The radar rangefinder was dropped for unknown reasons, and the Bofors cannons were switched for Hispano designs due to delays at Bofors. By 1947 the aircraft had also received the designation J29.
+
Initially designed with a straight wing, newly acquired German research data and even some Messerschmitt engineers themselves who fled to Sweden made the recommended change to wings with a 25-degree sweep, which highly stabilized and reduced the aircraft's drag as it approached the sound barrier. Adding to the aerodynamics of the wing shape, it was decided to not house the landing gear in the wings, but instead to have them retract into the fuselage of the aircraft. Wind-tunnel testing led to the refinement of wings and the fuselage of the aircraft. A straight-through airflow (from nose to engine to exhaust) was determined to be the best and easiest course of action for this aircraft and though initially, the de Havilland Goblin turbojet engine was to be used, it was determined that the newer de Havilland Ghost engine was already configured for a central circular air intake and would require the least amount of modifications to implement.
  
=== Testing and production ===
+
Though through testing many faults and problems developed, each of these was addressed and mitigated so that in September 1948, the Saab 29 prototype was ready for its initial flight. The test pilot chosen for this flight was Englishman, Squadron Leader Robert A. "Bob" Moore. The test flight lasted for a half of an hour and after a successful landing, Moore commented on the aircraft stating that "on the ground, it's an ugly duckling – in the air, a swift." Like many aircraft which pick up a nick-name due to a specific feature or shape, the J 29 became known as the "Flygande Tunnan" (''The Flying Barrel'') or just "Tunnan" for short. Initially thought of as degrading, the nick-name Tunnan became the officially adopted name for this fighter.
The J29 prototype flew for the first time on the 1st of September 1948 and immediately showed incredible performance. The pilot chosen for this flight was SAAB's test pilot at the time, an Englishmen by the name Robert A. "Bob" Moore. He was a British squadron leader with previous experience flying jets and was thus suitable for the tests. The test flight lasted for half an hour and after a successful landing, Moore stated that "on the ground, it's an ugly duckling, but in the air it's a swift." Like many aircraft which pick up a nickname due to a specific feature or shape, the J29 would fairly quickly receive the nickname "Flygande Tunnan" (The Flying Barrel) or just "Tunnan" (The Barrel) for short. Initially thought of as degrading, the nickname Tunnan would not only become the official name for the aircraft but would also start the SAAB tradition of naming their combat aircraft, a tradition which persists to this day.
 
  
After correcting a few production errors the prototype would not only achieve the specified top speed of 1,000 km/h but it would even surpass it, achieving a sustainable speed of 1,060 km/h at one point. The design of the J29 showed a lot of promise for the future and talk of future variants would begin even before production had started. In fact, just a month after the prototype had taken to the air, there was talk of implementing attack-rockets and deflatable internal fuel tanks.
+
Starting in 1948, production began and ran through 1956 when all-in-all, five variants of the J 29 (J 29A, J 29B, S 29C, J 29E, and the J 29F) were produced and put into active service. A total of 661 Tunnans were rolled off of the assembly room floor which over the years and out of all of the Saab aircraft produced, was the largest production run for Saab.
  
Production of the first J29 variant, the J29A, would commence in 1950 and deliveries to the air force would start in early 1951. It was quickly realized that the internal fuel capacity of the J29A was too limited and work began on implementing the previously discussed internal deflatable fuel tanks. This would be realized in a new version of the J29, designated [[J/A29B|J29B]], which entered production and service in 1953. The J29B's new internal fuel tanks gave it a 50% increase in fuel capacity compared to the J29A. The J29B would be followed by an unarmed reconnaissance version called the S29C which had been planned at an early stage. The S29C was to be followed by the [[J29D]], featuring increased armament and an afterburner, but due to a variety of reasons the J29D never entered production. Instead, a modified version of the J29B, called the J29E, would enter service. The E-variant featured a new dog toothed wing which increased maneuverability at high speeds. The J29E was soon followed by the [[J29F]] which was an upgrade-program for 210 J29B and E aircraft, increasing their performance and allowing them to serve throughout the 1960s.
+
The J 29 is the first swedish aircraft to see combat.In september 1961 after the United Nations asked for military support, five J 29Bs were stationed in the Republic of Congo to contribute to a UN peacekeeping mission (ONUC) in the region. The five J 29Bs were later reinforced by four more J 29Bs and two S 29C reconnaissance planes in 1962. No aircraft were lost during the ONUC despite large amounts of ground fire. When the ONUC was terminated in 1964, some of the swedish aircraft were destroyed at their base as they were no longer needed at home and the cost to brong them home was deemed excessive.
 
 
All in all, 661 J29s would be produced for the Swedish Air Force, the largest production run by SAAB ever. The last of these would serve until the late 1970s.
 
 
 
=== Legacy ===
 
The J29 was a truly historical wonder for its time. After being stranded for the duration of the war, Sweden managed to not only catch up with modern aircraft development in a short amount of time but it was also able to lead jet fighter development in Europe for the time and arguably even into modern times. The J29 was the first swept-wing jet fighter to be mass-produced in Europe and together with the Soviet [[MiG-15]] and American [[F-86A-5|F-86]] it set the bar for how the next generation of fighter aircraft should be. It was extremely fast for its time and actually managed to take home two closed-circuit world speed records during the mid 1950s.
 
 
 
Besides its international legacy, the J29 was the first Swedish-designed aircraft to see combat. In September 1961, as part of the Congo-crisis, five J29Bs were stationed in the Republic of Congo to contribute to a UN peacekeeping mission (ONUC) in the region. This led to the formation of the air wing F 22 which exclusively served in Congo. F 22 was later reinforced by four more J29Bs and two S29C reconnaissance planes in 1962. F 22 would quickly take air superiority in the area which in turn lead to them primarily performing attack-missions during the conflict. No aircraft were lost during the ONUC despite large amounts of ground fire. When the ONUC was terminated in 1964, the aircraft-type had been decommissioned in Sweden and thus it was decided to only send home a select few J29s to Sweden. The majority of the F 22 J29s were blown up on the spot in Congo when the Swedish left the area.
 
 
 
=== J29D ===
 
Even before production of the [[J29A]] had started in the late 1940s, the Swedish Air Force started to discuss the use of an afterburner in the J29. While the J29 was very advanced for its time, it became clear pretty early on that it did not have the climb rate needed to effectively intercept high altitude strategic bombers. To solve this it was decided to start projecting an indigenous afterburner for the J29. Flygmotor, who was license-producing the de Havilland Ghost engine was tasked to develop an afterburning version of it. After initial calculations it was concluded that the new afterburner would increase power by ~25% and double the climb rate.
 
 
 
Besides introducing an afterburner there was also a lot of talk about increasing the armament of the J29. Several ideas were brought up, everything from anti-air missiles to anti-air rockets to more powerful guns. In the end it was decided that all 3 ideas would be tested. Since there were a few 30 mm aircraft guns on the international market by the start of the 1950s, it was decided to trial the new J29 with new guns first. Thus, in April 1952, a [[J29A]] from air wing F 13 was sent to the Swedish Air Force experimental bureau Försökscentralen (FC) to be fitted with mockups of 30 mm guns for flight testing. Flight testing with mockups was performed as the barrels of the new 30 mm guns were protruding out from the front of the J29 which could interfere with flight characteristics. After 4 months of successful flight trials completed, the aircraft was restored and sent back to air wing F 13.
 
 
 
About 2 years later, the afterburning Ghost engine was finished and it was decided to install it in the [[J/A29B|J29B]] prototype, then becoming the J29D prototype. The J29D prototype flew for the first time on the 20th of March, 1954. Initial flight trials were apparently successful, however during trestle-mount ground trials in 1954 it was found that the 30 mm guns selected for the J29D were flawed and the idea to use these was scrapped. Instead it was decided that anti-air rockets and missiles were the way to go. SAAB at this time had also projected a new wing for the J29, a so-called dog-tooth wing which improved airflow and handling. It was decided that all future J29s would feature this dog-tooth wing and thus the J29D project was scrapped. Instead, it was decided to make an afterburning J29 with the new dog-tooth wings. Unfortunately as production of the afterburning Ghost engine was not ready yet it was decided to introduce the new dog-tooth wing first in an intermediate version called the J29E, which consisted of J29Bs being modified in the factory or in the field with the new wings. The plan was to later retrofit 210 of the J29B and J29E models with dog-tooth wings and afterburning Ghost engines, turning them into J29Fs.
 
 
 
Luckily this was not the end for the J29D prototype, in order to test the J29F concept it was decided to modify the J29D prototype into the J29F prototype. Modifications were done by early February 1955 and the J29F prototype was approved for service in April the same year. The same year, Bofors would finalize the projected anti-air rockets which entered service on the J29B, E and F as the 75 mm [[Srak m/55 Frida|srak m/55]]. In 1956, the legacy of the J29D would end, as the J29F entered service.
 
  
 
===[[wt:en/news/6444-development-swedish-aircraft-in-war-thunder-saab-j29d-jet-powered-fighter-en|Devblog]]===
 
===[[wt:en/news/6444-development-swedish-aircraft-in-war-thunder-saab-j29d-jet-powered-fighter-en|Devblog]]===
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== Media ==
 
== Media ==
 
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;Videos
 
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{{Youtube-gallery|YD22i7Y8wHg|'''Saab 29 Tunnan''' - ''jaglavaksoldier''|Xd9m6rPtN3U|'''The Shooting Range #172''' - ''Pages of History'' section at 04:57 discusses the Saab J29 Tunnan.|hpPYamqFsO8|'''Premium Vehicles: SAAB J-29D''' - ''War Thunder Wiki''}}
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{{Youtube-gallery|YD22i7Y8wHg|'''Saab 29 Tunnan''' - ''jaglavaksoldier''|trg7eAT53uQ|'''Waddington International Airshow 2013, Saab 29 Tunnan''' - ''
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greeymen''}}
 
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== See also ==
 
== See also ==
 
<!-- ''Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:''
 
<!-- ''Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:''
 
* ''reference to the series of the aircraft;''
 
* ''reference to the series of the aircraft;''
 
* ''links to approximate analogues of other nations and research trees.'' -->
 
* ''links to approximate analogues of other nations and research trees.'' -->
 
;Other variants
 
 
* [[J29A]]
 
* [[J/A29B]]
 
* [[J29F]]
 
  
 
;Comparable aircraft
 
;Comparable aircraft
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* [http://plasticfantastique.com/walk_arounds/walkaround-the-saab-29-tunnan/| (plasticfantastique.com websites) - Walk around the SAAB 29 Tunnan (Picture gallery)]
 
* [http://plasticfantastique.com/walk_arounds/walkaround-the-saab-29-tunnan/| (plasticfantastique.com websites) - Walk around the SAAB 29 Tunnan (Picture gallery)]
  
{{AirManufacturer Saab}}
 
 
{{Sweden jet aircraft}}
 
{{Sweden jet aircraft}}
 
{{Sweden premium aircraft}}
 
{{Sweden premium aircraft}}

Revision as of 20:23, 30 October 2019

J29D
saab_j29d.png
BUY
AB
RB
SB
General characteristics
Brief
Detailed
8.3/8.7/9.0BR
1 personCrew
7.1 tTake-off weight
24.31 kg/sBurst mass
Flight characteristics
13 500 mCeiling
2 х Svenska Flygmotor RM2BEngine
Type
airCooling system
Speed of destruction
1102 km/hStructural
420 km/hGear
Offensive armament
4 x 30 mm Akan m/55 cannonWeapon 1
400 roundsAmmunition
1 400 shots/minFire rate
Suspended armament
24 x 7,5 cm srak m/55 Frida rocketsSetup 1
6 x 14,5 cm psrak m/49A rockets
8 x m/49A rockets
Setup 2
6 x 15 cm srak m/51 rockets
8 x 15 cm srak m/51 rockets
Setup 3
4 x 18 cm hprak m/49 rocketsSetup 4
Economy
Sl icon.png5 100/3 980/1 520Repair
10 000 Sl icon.pngCrew training
1 640 000 Sl icon.pngExperts
2 400 Ge icon.pngAces
220 × 2 Talisman.png % Rp icon.pngReward for battle
310 × 2 Talisman.png % Sl icon.png220 × 2 Talisman.png % Sl icon.png100 × 2 Talisman.png % Sl icon.png

Description

GarageImage J29D.jpg


The J29D is a gift rank V Swedish jet fighter with a battle rating of 9.0 (AB), 8.7 (RB), and 8.3 (SB). It was introduced in Update 1.93 "Shark Attack".

When conjuring up thoughts of fighter jets, many would initially think of a sleek, weapon-laden fast jet which would almost rival a hot-rod in the car world. When presented with the J29D, most people would cock their head to the side with a puzzled look on their face. It's a good thing that fighter jets are not determined by looks alone! The J29D is, for lack of a better phrase, a "wolf in sheep's clothing", initially laughed at as being the "chubby kid on the block". Once up in the air, however it is quickly realised that this rotund little fighter is a dynamic powerhouse!

While many other nations were fixated on designing straight-wing aircraft, the Swedes were busy exploiting the knowledge of former Messerschmitt engineers in implementing swept wings onto their fighters. With this and other improvements, the J29D was found to be pretty fast during its trials. Although it was not supersonic, it was pushing 900 km/h. It handled like a dream, being extremely quick and agile. The nose of the aircraft was bristling with four 30 mm ADEN autocannons, and various types of suspended ordnance could be outfitted, including light rockets, heavy anti-ship rockets, air-to-air rockets, and guided missiles. Sweden didn't have the money to develop aircraft specifically for a combat role, so they designed their J29D to do it all and do it well. Depending on the load-out, the J29D could fly like a fighter, interceptor, bomber, or a combination of the three. This functionality comes in very handy as in-game spawns can lead to a map with specific requirements and the pilot will have no problems configuring the weapons of this aircraft to fit the mission, whereas some other contemporary fighters are quite limited in their options.

If not kept in check, the J29D can quickly become the bully on the block hard-charging into the battlefield, wreaking havoc and then departing without a second thought. If two fighters are headed your way, your best bet will be to take out the J29D first or it will likely nab you in the rear and send you down in flames.

General info

Flight performance

When flying the J29D, it is hoped that enemy pilots will take one look, chuckle, and not take the rotund Swedish fighter seriously, only to learn the hard way they were wrong. The J29D has the speed, agility, and ordnance to be considered a powerhouse in the sky. Being outfitted with an afterburning engine, the J29D can fly upwards of 1,000 km/h and climbs up to altitude at a whipping 55 metres per second. This allows the fighter to get in and out of contested areas to engage its targets of choice. This fighter was built for speed and agility and uses these characteristics to show up other aircraft which may be faster or bulkier, sidestepping their attacks and jumping back in to nab the kill. Thanks to the way the four ADEN cannons are mounted when the J29D lines up a target and fires, it is almost like a 30 mm shotgun being fired off. A tight spread of 30 mm rounds heads downfield, and when impacting another aircraft, rarely is there enough left of the plane to fly.

The J29D is as comfortable up at altitude as it is down at just above ground level. The fighter is a stable platform when it comes to ground attack, with good acceleration characteristics when the time comes to peel off the ground targets and manoeuvre back up to altitude with the other fighters. Being specially designed to reduce as much drag as possible, the swept-back wings help extend the breakage limits of the wings, especially when this fighter is in a dive.

Characteristics
Stock
Max Speed
(km/h at 0 m - at sea level)
Max altitude
(meters)
Turn time
(seconds)
Rate of climb
(meters/second)
Take-off run
(meters)
AB RB AB RB AB RB
1,032 1,027 13 500 29.2 30.8 11.8 8.3 800
Upgraded
Max Speed
(km/h at 0 m - at sea level)
Max altitude
(meters)
Turn time
(seconds)
Rate of climb
(meters/second)
Take-off run
(meters)
AB RB AB RB AB RB
1,048 1,040 13 500 28.8 29.0 33.6 22 800

Details

Features
Combat flaps Take-off flaps Landing flaps Air brakes Arrestor gear
X
Limits
Wing-break speed
(km/h)
Gear limit
(km/h)
Combat flaps
(km/h)
Max Static G
+ -
520 ~11 ~5
Optimal velocities
Ailerons
(km/h)
Rudder
(km/h)
Elevators
(km/h)
Radiator
(km/h)
< 650 < 640 < 450 N/A
Compressor (RB/SB)
Setting 1
Optimal altitude 100% Engine power WEP Engine power
0 m 2,070 kgf 2,484 kgf

Survivability and armour

Armour
  • 64 mm bulletproof canopy windscreen
  • 10 mm steel plate behind pilot's seat
  • 10 mm steel plate in nose

The stout little J29D is a sneaky little fighter which might be underestimated during a head-on. A 64 mm bulletproof windscreen is in place, which, since it is sloped, provides 165 mm total protection, allowing the pilot to have a greater chance of survival in a head-on. However, unless highly experienced, pilots should avoid head-ons, especially against aircraft such as the Super Mystere B2 and the G.91 YS which also feature 30 mm DEFA 552 cannons. Make sure to avoid the B2 as well, as the AA.20 air-to-air guided rockets will make the J29D have a hard time standing up to this aircraft.

Armaments

Offensive armament

Main article: Akan m/55 (30 mm)

The J29D is armed with:

  • 4 x 30 mm Akan m/55 cannons, nose-mounted (100 rpg = 400 total)

The J29D, like many of the fighters of the time, got away from machine guns and was outfitted with harder-hitting autocannons, in this case, 30 mm ADEN cannons. The cannons are clustered around the central air-intake of the aircraft, resulting in optimal fire control as convergence is not an issue. However, the pilot must still correct for bullet drop for the 30 mm rounds. The four ADEN cannons only have 100 rounds per gun, requiring the pilot to exercise trigger control so not to waste ammunition. With these harder hitting rounds however, only a quick burst is needed to send an aircraft down in a flaming heap.

Suspended armament

Main articles: m/49, m/49A, m/51, m/55

The J29D can be outfitted with the following ordnance:

  • Without load
  • 24 x m/55 rockets
  • 14 x m/49A rockets
  • 14 x m/51 rockets
  • 4 x m/49 rockets

Usage in battles

Although the J29D is a fast jet capable of reaching high speed, at start it can be pretty slow. The J29D has the chance to fight supersonic jets at its BR which it can't hunt down by itself. As such, the J29D is best used in teamwork with other jets to either catch up to the enemy plane or make them do manoeuvres to bleed some speed so the J29D can catch up. If faced with subsonic jets, it can keep up with them and stay on its tail thanks to the its manoeuvrability. For the daredevils, the J29D has an excellent armarment of choice to do head-ons with. These loadouts would be best put to use if no teammate around to help you fight the enemy. Because the J29D has slow acceleration at the start of the game, it can have a hard time intercepting enemies at first. As the battle progresses and you will have worked up speed, this task will be made much easier.

The J29D can also be used as a excellent ground attacker for more experienced players who are used to aiming unguided rockets. It has a variety of rockets, allowing you to sufficiently take out a wide variety of targets (light, medium, heavy, etc.). With most loads having more than 10 rockets, an experienced player can take out a few ground targets each spawn. Along with the rockets, the four thirty millimeter guns, given the proper belt choice, can inflict heavy damage upon soft and somewhat hard targets as well.

Even as a excellent fighter, the J92D has dangerous enemies, mainly supersonic jets like MiG-17 and Anti-Air Missile holding jets like G.91 YS and Swift F.7.

Modules

Tier Flight performance Survivability Weaponry
I Fuselage repair Compressor Offensive 30 mm m/55
II Airframe m/49A
III Wings repair New 30 mm cannons m/51
IV Engine Cover m/49

Pros and cons

Pros:

  • Fast and agile
  • Multi-role aircraft (fighter/bomber/interceptor)
  • Four nose-mounted 30 mm Akan autocannons

Cons:

  • Rotund - larger target profile
  • Subsonic aircraft flying against supersonic aircraft

History

Following World War II, Sweden felt that they had fallen behind in technological advancements when it came to military aircraft and strove to rectify the situation while beefing up they considered was their current weak air defence. Jet propulsion technology was cutting-edge and Sweden was not to be left out. In 1945, Sweden's leading aeronautical firm began to work on design ideas of potential future fighter aircraft. Through a design contest, a clear winner emerged which was a barrel-shaped fighter which promised to be the faster and more agile of the proposed aircraft, this fighter was given the codename "R 1001".

Initially designed with a straight wing, newly acquired German research data and even some Messerschmitt engineers themselves who fled to Sweden made the recommended change to wings with a 25-degree sweep, which highly stabilized and reduced the aircraft's drag as it approached the sound barrier. Adding to the aerodynamics of the wing shape, it was decided to not house the landing gear in the wings, but instead to have them retract into the fuselage of the aircraft. Wind-tunnel testing led to the refinement of wings and the fuselage of the aircraft. A straight-through airflow (from nose to engine to exhaust) was determined to be the best and easiest course of action for this aircraft and though initially, the de Havilland Goblin turbojet engine was to be used, it was determined that the newer de Havilland Ghost engine was already configured for a central circular air intake and would require the least amount of modifications to implement.

Though through testing many faults and problems developed, each of these was addressed and mitigated so that in September 1948, the Saab 29 prototype was ready for its initial flight. The test pilot chosen for this flight was Englishman, Squadron Leader Robert A. "Bob" Moore. The test flight lasted for a half of an hour and after a successful landing, Moore commented on the aircraft stating that "on the ground, it's an ugly duckling – in the air, a swift." Like many aircraft which pick up a nick-name due to a specific feature or shape, the J 29 became known as the "Flygande Tunnan" (The Flying Barrel) or just "Tunnan" for short. Initially thought of as degrading, the nick-name Tunnan became the officially adopted name for this fighter.

Starting in 1948, production began and ran through 1956 when all-in-all, five variants of the J 29 (J 29A, J 29B, S 29C, J 29E, and the J 29F) were produced and put into active service. A total of 661 Tunnans were rolled off of the assembly room floor which over the years and out of all of the Saab aircraft produced, was the largest production run for Saab.

The J 29 is the first swedish aircraft to see combat.In september 1961 after the United Nations asked for military support, five J 29Bs were stationed in the Republic of Congo to contribute to a UN peacekeeping mission (ONUC) in the region. The five J 29Bs were later reinforced by four more J 29Bs and two S 29C reconnaissance planes in 1962. No aircraft were lost during the ONUC despite large amounts of ground fire. When the ONUC was terminated in 1964, some of the swedish aircraft were destroyed at their base as they were no longer needed at home and the cost to brong them home was deemed excessive.

Devblog

While Sweden traditionally imported a great deal of military tech, including in its aircraft, Swedish aeronautical engineers nevertheless developed and built combat aircraft of their own design. Like the leading world powers, in the immediate post-war years Sweden focused its research capabilities on jet-powered aircraft. Even before the outbreak of World War II, research into jet engines was already taking place in Sweden, and the war gave industry experts the opportunity to acquire priceless experience studying the progress made by other countries, Germany in particular.

At the beginning of 1945, a project to build the first jet-powered fighter was born deep in SAAB headquarters. Immediately after the end of the war, Swedes bought the license to produce turbojet engines from the British company de Havilland, and they began converting their J-21 piston-engine fighters to jet-engine fighters. With the arrival of the new Ghost engine from the Brits and promising research into swept wings, SAAB began developing a fundamentally new kind of fighter, initially planned to be fitted with a jet engine. Within a short time, the Swedish Air Force received the J29 Tunnan. Named after the Swedish word for "barrel", based on its shape.

The Tunnan was an awkward-looking machine, but one with superb flight characteristics for the time, enabled by its swept wings. Judge for yourselves: successful testing took place in 1948, followed by mass production in 1951, and by 1954 the J29B modification set the world speed record in a closed circuit. That's impressive!

Media

Videos
Saab 29 Tunnan - jaglavaksoldier
Waddington International Airshow 2013, Saab 29 Tunnan - greeymen


See also

Comparable aircraft

External links


Sweden jet aircraft
Saab  J21RA · A21RB · J29A · J/A29B · J29D · J29F · A32A · J32B · J35D
Foreign import  J28B

Sweden premium aircraft
Iacobi's J8A · Pyörremyrsky · Mörkö-Morane · J29D