Difference between revisions of "G.91 pre-serie"

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{{Specs-Card|code=fiat_g91_ps}}
 
 
{{About
 
{{About
 
| about = Italian jet fighter '''{{PAGENAME}}'''
 
| about = Italian jet fighter '''{{PAGENAME}}'''
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| usage = similar playstyle
+
| usage = other versions
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| link-1 = G.91 R/1
+
| link = G.91 (Family)
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| and
+
}}
−
| link-2 = G.91 (Family)
+
{{Specs-Card
 +
|code=fiat_g91_ps
 +
|images={{Specs-Card-Image|GarageImage_{{PAGENAME}}.jpg}}
 +
|cockpit=cockpit_fiat_g91_ps.jpg
 
}}
 
}}
  
 
== 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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[[File:GarageImage_{{PAGENAME}}.jpg|420px|thumb|left]]
+
The '''{{Specs|name}}''' was a light subsonic fighter developed by Fiat in the late 1950s, it was a great success being introduced in the Italian, German and Portuguese air force. The objective of said fighter was to create a cheap, light fighter-bomber capable of becoming the standard between all NATO nations, this was due to the experience of the US and UN forces in the Korean War, and the introduction of more capable jet engines, that pushed the NATO Command to set a competition for this role. A total of 756 aircraft were built in a span of 19 years. The first preproduction variant of this aircraft was employed to test wing slats and disposable fuel tanks in the wings, and lacked many of the specialized features of future models, like reconnaissance and CAS equipment.
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{{break}}
 
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The '''{{Specs|name}}''' (nicknamed ''"Gina"'') is a rank {{Specs|rank}} Italian jet fighter {{Battle-rating}}. It was introduced in [[Update 1.69 "Regia Aeronautica"]] along with the initial Italian aviation tree.<br>
 
  
−
A mid 50's Trans-sonic fighter ( < Mach 0.98) with ground attack abilities. Very maneuverable, but with a light offensive armament makes the G.91 with its young age a difficult starter aircraft into the jet era. Especially as it will fly in fierce competition in the sky, facing every sub- and trans-sonic aircraft and being smack in the middle performance wise.<br>
+
It was introduced in [[Update 1.69 "Regia Aeronautica"]] along with the initial Italian aviation tree. The '''{{Specs|name}}''' is a mid 1950s transonic fighter (< Mach 0.98) with ground attack abilities. Very manoeuvrable, but with a light offensive armament, the G.91 with is a difficult starter aircraft into the jet era. Especially as it will fly in fierce competition in the sky, facing both sub- and transonic aircraft and being smack in the middle performance-wise. Since it lacks offensive air-to-air missiles and a powerful enough engine, it should be used in a support role but it can also find very good use on the frontline in the hands of a skilled pilot.
−
 
 
−
There are little changes between the Pre-serie, [[G.91 R/1|R/1]], [[G.91 R/3|R/3]] and the [[G.91 R/4|R/4]], and this guide can be considered universal for all listed aircraft.
 
  
 
== General info ==
 
== General info ==
−
=== Flight Performance ===
+
=== Flight performance ===
 +
{{Specs-Avia-Flight}}
 
<!-- ''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.'' -->
−
The G.91 was intended to replace the [[F-86A-5|F-86A Sabre]] in German, Portuguese and Italian service and it shows.With an empty weight of only 3100 kg (6800 lbs) and a takeoff weight of 5500 kg (12100 lbs) the Gina is in the weight class as the [[P-51D-5|P-51D]] and [[MiG-9]], yet severly lighter than most other jets and losing about one and a half tonnes compared to the Sabre A.
+
The G.91 was intended to replace the [[F-86A-5|F-86A Sabre]] in German, Portuguese and Italian service and it shows. With an empty weight of only 3,100 kg (6,800 lbs) and a take-off weight of 5,500 kg (12,100 lbs), the Gina is in the same weight class as the [[P-51D-5|P-51D]] and [[MiG-9]], yet severely lighter than most other jets and losing about one and a half tonnes compared to the Sabre A.
−
Although only outputting a meager 22 kN of thrust this first look dosadvantage is literally outweighted by the high thrust to weight ratio of 0.73 empty (0.41 full). This makes the Gina an excellent dogfighter as jet fighters maintain both their top speed, climb and sustained turn-rate by their engine power rather than other flight characteristics. It can easily reach its own terminal speed (1011 km/h, 921 f/s) and self-destruct in level flight.<br>
 
  
−
Lacking in straight wings and leading wing slats the stall speed for the G.91 is quite higher than the low weight lets one assume. One should hence be wary of many older jet types with said features, as after bleeding too much speed they can easily out maneuver the Gina.
+
Although only outputting a meagre 22 kN of thrust this first look disadvantage is literally outweighed by the high thrust to weight ratio of 0.73 empty (0.41 full). This makes the Gina an excellent dogfighter as jet fighters maintain both their top speed, climb and sustained turn-rate by their engine power rather than other flight characteristics. It can easily reach its own terminal speed (1,011 km/h, 921 ft/s) and self-destruct in level flight.
  
−
Starting with 20 min of fuel, gaining the climb speed of 800 km/h IAS (sustainable @ 7-8°; 730 f/s) takes a mere ~80 seconds with 20 predicated for taking off at 230 km/h or 210 f/s IAS. An Immelmann at 800 km/h will gain 1000 m and loose 300 km/h. A hard 180° turn at the same speed takes >100 km/h and may lose up to 60 m.
+
Lacking in straight wings and leading wing slats the stall speed for the G.91 is quite higher than the low weight lets one assume. One should hence be wary of many older jet types with said features, as after bleeding too much speed they can easily outmanoeuvre the Gina.
  
−
{| class="wikitable" style="text-align:center"
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Starting with 20 min of fuel, gaining the climb speed of 800 km/h IAS (sustainable @ 7-8°; 730 ft/s) takes a mere ~80 seconds with 20 predicated for taking off at 230 km/h or 210 ft/s IAS. An Immelmann at 800 km/h will gain 1,000 m and lose 300 km/h. A hard 180° turn at the same speed takes >100 km/h and may lose up to 60 m.
 +
 
 +
{| class="wikitable" style="text-align:center" width="70%"
 
! rowspan="2" | Characteristics
 
! rowspan="2" | Characteristics
 
! colspan="2" | Max Speed<br>(km/h at 1,200 m)
 
! colspan="2" | Max Speed<br>(km/h at 1,200 m)
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==== Details ====
 
==== Details ====
−
{| class="wikitable" style="text-align:center"
+
{| class="wikitable" style="text-align:center" width="50%"
 
|-
 
|-
 
! colspan="6" | Features
 
! colspan="6" | Features
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|}
 
|}
  
−
{| class="wikitable" style="text-align:center"
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{| class="wikitable" style="text-align:center" width="50%"
 
|-
 
|-
 
! colspan="7" | Limits
 
! colspan="7" | Limits
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! Combat !! Take-off !! Landing !! + !! -
 
! Combat !! Take-off !! Landing !! + !! -
 
|-
 
|-
−
| {{Specs|destruction|body}} || {{Specs|destruction|gear}} || 620 || 620 || 345 || ~10 || ~5
+
| {{Specs|destruction|body}} || {{Specs|destruction|gear}} || 589 || 550 || 345 || ~11 || ~5
 
|-
 
|-
 
|}
 
|}
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|-
 
|-
 
! colspan="3" | Engine characteristics
 
! colspan="3" | Engine characteristics
−
! colspan="4" | Mass with fuel (no weapons load) || rowspan="2" | Max Takeoff<br/>Weight
+
! colspan="4" | Mass with fuel (no weapons load) || rowspan="2" | Max Takeoff<br />Weight
 
|-
 
|-
 
! Weight (each) || colspan="2" | Type
 
! Weight (each) || colspan="2" | Type
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| 0.58 || 0.52 || 0.48 || 0.47 || 0.37
 
| 0.58 || 0.52 || 0.48 || 0.47 || 0.37
 
|-
 
|-
−
| ''Optimal'' || 2,161 kgf<br/>(0 km/h) || N/A
+
| ''Optimal'' || 2,161 kgf<br />(0 km/h) || N/A
 
| 0.58 || 0.52 || 0.48 || 0.47 || 0.37
 
| 0.58 || 0.52 || 0.48 || 0.47 || 0.37
 
|-
 
|-
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=== Survivability and armour ===
 
=== Survivability and armour ===
 +
{{Specs-Avia-Armour}}
 
<!-- ''Examine the survivability of the aircraft. Note how vulnerable the structure is and how secure the pilot is, whether the fuel tanks are armoured, etc. Describe the armour, if there is any, and also mention the vulnerability of other critical aircraft systems.'' -->
 
<!-- ''Examine the survivability of the aircraft. Note how vulnerable the structure is and how secure the pilot is, whether the fuel tanks are armoured, etc. Describe the armour, if there is any, and also mention the vulnerability of other critical aircraft systems.'' -->
−
At its tier there is little which cannot hurt the G.91. This is mostly due to the large calibres and fast firing weapons found in the jet age, although the Gina does not help this issue. The armour is enough to withstand the occasional tank LMG fire, but otherwise will only protect the pilot from shrapnel damage. Even though the centerline arrangement of all components proves to be quite survivable in combat, it does NOT lend itself for head-ons or prolongued chases. The former only leads to functional aircraft with a dead pilot and the latter to the reverse, which was in all likelihood the intended design in real life.
 
  
 
* 6.5 mm Steel - Behind, below and in front of the pilot
 
* 6.5 mm Steel - Behind, below and in front of the pilot
 
* 6.5 mm Steel - under central fuel tanks.
 
* 6.5 mm Steel - under central fuel tanks.
−
* 40 mm bulletproof glass - Armored windshield
+
* 40 mm bulletproof glass - Armoured windshield
−
* Critical components located down the midline of aircraft (fuel, pilot, engine, controls)
 
−
* Fuel tanks located in the central fuselage.
 
  
−
== Armaments ==
+
At its tier there is little which cannot hurt the G.91. This is mostly due to the large calibres and fast firing weapons found in the jet age, although the Gina does not help this issue. The armour is enough to withstand the occasional tank LMG fire, but otherwise will only protect the pilot from shrapnel damage. Even though the centreline arrangement of all components proves to be quite survivable in combat, it does NOT lend itself for head-ons or prolonged chases. The former only leads to functional aircraft with a dead pilot and the latter to the reverse, which was in all likelihood the intended design in real life.
−
=== Offensive armament ===
 
−
<!-- ''Describe the offensive armament of the aircraft, if any. Describe how effective the cannons and machine guns are in a battle, and also what belts or drums are better to use. If there is no offensive weaponry, delete this subsection.'' -->
 
−
The M3 Browning is a new weapon in the Italian arsenal at this 5th tier and compared to the previous experiences a let down. The rate of fire is phenomenal, but the small calibre and ammo size put a serious demper to the mood, that is in comparison of course. In practise and with good aim, it can easily shred four fighters. The high bullet velocity and fire rate is quite the advantage in the fast pace world of jet combat, ensuring hits in deflection shots were the lower rate of fire found in the [[:Category:Fifth_rank_aircraft|Soviet jet fighters]] might have failed the pilot.
 
−
Yet one will always look onto greener pastures, especially as the Gina only has four guns unlike all other Browning armed jets.<br>
 
−
No matter how you turn it, the armament is only managable with skill and for a beginner outright bad.
 
  
−
{{main|Browning M3 (12.7 mm)}}
+
=== Modifications and economy ===
 +
{{Specs-Economy}}
  
−
The '''''{{PAGENAME}}''''' is armed with:
+
A focus should be made on the engine modules, as the G.91 lives by its T/W ratio. New boosters is a double edged sword, as without the G-Suit one is just black out earlier. This oddly makes the Bomb unlock a tantalizing choice, especially in already won matches for farming on ground units before the game ends. Airframe and cover do little, the weight savings are very minor and without them the G.91 can still easily reach top speeds and rip off its wings...
−
 
 
−
* 4 x 12.7 mm Browning M3 machine guns, nose-mounted (300 rpg = 1,200 total)
 
  
 +
== Armaments ==
 +
{{Specs-Avia-Armaments}}
 
=== Suspended armament ===
 
=== Suspended armament ===
 +
{{Specs-Avia-Suspended}}
 
<!-- ''Describe the aircraft's suspended armament: additional cannons under the wings, bombs, rockets and torpedoes. This section is especially important for bombers and attackers. If there is no suspended weaponry remove this subsection.'' -->
 
<!-- ''Describe the aircraft's suspended armament: additional cannons under the wings, bombs, rockets and torpedoes. This section is especially important for bombers and attackers. If there is no suspended weaponry remove this subsection.'' -->
−
Mediocre. The G.91 is a fighter and it shows in the additional payloads. They should only be considered for a quick drop on the way to the combat zone, losing height/speed advantage in doing so, or once aerial dominance has already accomplished. Even then many other jets are way better suited for ground attacks.<br>
 
−
The bombs are standard fare and often not worse the hassle with their low total yield. The FFAR rockets are a far better option allowing to tackle more than one target, even though they only work well against soft target and upto medium tanks.
 
−
 
−
{{main|AN-M64A1 (500 lb)|FFAR Mighty Mouse}}
 
  
 
The '''''{{PAGENAME}}''''' can be outfitted with the following ordnance:
 
The '''''{{PAGENAME}}''''' can be outfitted with the following ordnance:
  
−
* Without load
+
{| class="wikitable" style="text-align:center" width="100%"
−
* 2 x 500 lb AN-M64A1 bombs (1,000 lb total)
+
|-
−
* 38 x FFAR Mighty Mouse rockets
+
! !! width="11%" | 1 !! width="11%" | 2 !! width="11%" | 3 !! width="11%" | 4
−
 
+
| rowspan="5" width="20%" | <div class="ttx-image">[[File:Hardpoints_{{PAGENAME}}.png]]</div>
−
== Usage in battles ==
 
−
<!-- ''Describe the tactics of playing in an aircraft, the features of using vehicles in a team and advice on tactics. Refrain from creating a "guide" - do not impose a single point of view, but instead, give the reader food for thought. Examine the most dangerous enemies and give recommendations on fighting them. If necessary, note the specifics of the game in different modes (AB, RB, SB).''-->
 
−
Air superiority is the combat objective for the G.91 ''Gina'', anything else is secondary. In team games lure enemy fighters into extensive and excessive dogfights to allow your heavier and less nimble allies to [[Boom and Zoom Jets|Boom and Zoom]] or [[Boom and Run Jets|Boom and Run]] them. With their great thrust to weight ratio the G.91 can maintain their energy superiority and in emergencies (such as non-existant teamplay) to disengage. Alternatively standard BnZ is considerable choice. Again the great acceleration allows for more energy expensive maneuvers and still disengage without much worry from the target. Such follies would be deadly in many other fighters, but the Gina is hence quite forgiving. In fact too forgiving, new pilots to the jet age need to lose old habits and the G.91 does not force one's hand.<br>
 
−
 
 
−
Against bombers and ground attack craft the G.91 lacks fire power and it will take considerable ammo use to compensate for this. The measly protection against defensive fire makes this a dangerous task anyway and should thusly be left for better equipped allies.<br>
 
−
 
 
−
The very same can be said for ground attacks. While being able to mount air-to-ground ordnance, the payload yield is miniscule. The FFAR pods are the only worthwhile consideration, but run against the G.91's intended role of Air Superiority Fighter.
 
−
 
 
−
 
 
−
=== Manual Engine Control ===
 
−
{| class="wikitable" style="text-align:center"
 
 
|-
 
|-
−
! colspan="7" | MEC elements
+
! [[M3 Browning (12.7 mm)|12.7 mm M3 Browning]] machine guns (300 rpg)
 +
| || 2 || 2 ||
 
|-
 
|-
−
! rowspan="2" | Mixer
+
! [[AN-M64A1 (500 lb)|500 lb AN-M64A1]] bombs
−
! rowspan="2" | Pitch
+
| 1 || || || 1
−
! colspan="3" | Radiator
 
−
! rowspan="2" | Supercharger
 
−
! rowspan="2" | Turbocharger
 
 
|-
 
|-
−
! Oil
+
! [[Aerea 559G1 incendiary]] bombs
−
! Water
+
| 1 || || || 1
−
! Type
 
 
|-
 
|-
−
| Not controllable || rowspan="2" | Not controllable<br>Not auto controlled || rowspan="2" | Not controllable<br>Auto control available || rowspan="2" | Not controllable<br>Auto control available || rowspan="2" | Separate || rowspan="2" | Not controllable<br>1 gear || rowspan="2" | Not controllable
+
! [[FFAR Mighty Mouse]] rockets
 +
| 19 || || || 19
 
|-
 
|-
 
|}
 
|}
  
−
=== Modules ===
+
{{Navigation-Start|Default weapon presets}}
−
{| class="wikitable"
+
{{Navigation-First-Simple-Line}}
−
! colspan="1" | Tier
+
 
−
! colspan="2" | Flight performance
+
* 4 x 12.7 mm M3 Browning machine guns (300 rpg = 1,200 total)
−
! colspan="1" | Survivability
+
* 4 x 12.7 mm M3 Browning machine guns + 38 x FFAR Mighty Mouse rockets
−
! colspan="2" | Weaponry
+
* 4 x 12.7 mm M3 Browning machine guns + 2 x 500 lb AN-M64A1 bombs (1,000 lb total)
−
|-
+
* 4 x 12.7 mm M3 Browning machine guns + 2 x Aerea 559G1 incendiary bombs
−
| I
+
{{Navigation-End}}
−
| Fuselage repair
+
 
−
| Compressor
+
The M3 Browning is a new weapon in the Italian arsenal at this 5th tier and compared to the previous experiences a let down. The rate of fire is phenomenal, but the small calibre and ammo size put a serious damper to the mood, that is in comparison of course. In practise and with good aim, it can easily shred four fighters. The high bullet velocity and fire rate is quite the advantage in the fast pace world of jet combat, ensuring hits in deflection shots where the lower rate of fire found in the [[:Category:Fifth rank aircraft|Soviet jet fighters]] might have failed the pilot.
−
|
+
Yet one will always look onto greener pastures, especially as the Gina only has four guns unlike all other Browning armed jets.
−
| Offensive 12 mm
+
 
−
|
+
The ordnance carried by the G.91 is mediocre. It was designed as a fighter and it shows in the additional payloads. They should only be considered for a quick drop on the way to the combat zone, losing height/speed advantage in doing so, or once aerial dominance has already been established. Even then many other jets are way better suited for ground attacks.
−
|-
+
 
−
| II
+
The bombs are standard fare and often not worse the hassle with their low total yield. The FFAR rockets are a far better option allowing to tackle more than one target, even though they only work well against soft target and up to medium tanks.
−
| New boosters
+
 
−
|
+
== Usage in battles ==
−
| Airframe
+
<!-- ''Describe the tactics of playing in the aircraft, the features of using aircraft in a team and advice on tactics. Refrain from creating a "guide" - do not impose a single point of view, but instead, give the reader food for thought. Examine the most dangerous enemies and give recommendations on fighting them. If necessary, note the specifics of the game in different modes (AB, RB, SB).'' -->
−
|
+
Air superiority is the combat objective for the G.91 ''Gina'', anything else is secondary. In team games lure enemy fighters into extensive and excessive dogfights to allow your heavier and less nimble allies to "Boom-and-Zoom" or "Boom-and-Run" them. With their great thrust to weight ratio the G.91 can maintain their energy superiority and in emergencies (such as non-existant teamplay) to disengage. Alternatively standard BnZ is considerable choice. Again the great acceleration allows for more energy expensive manoeuvres and still disengage without much worry from the target. Such follies would be deadly in many other fighters, but the Gina is hence quite forgiving. In fact too forgiving, new pilots to the jet age need to lose old habits and the G.91 does not force one's hand.
−
| SBC-17
+
 
−
|-
+
Against bombers and ground attack craft the G.91 lacks fire power and it will take considerable ammo use to compensate for this. The measly protection against defensive fire makes this a dangerous task anyway and should thusly be left for better equipped allies.
−
| III
+
 
−
| Wings repair
+
The very same can be said for ground attacks. While being able to mount air-to-ground ordnance, the payload yield is minuscule. The FFAR pods are the only worthwhile consideration, but run against the G.91's intended role of Air Superiority Fighter.
−
| Engine
+
 
−
|
 
−
| New 12 mm MGs
 
−
|
 
−
|-
 
−
| IV
 
−
| G-suit
 
−
|
 
−
| Cover
 
−
|
 
−
| FFAR Mighty Mouse
 
−
|-
 
−
|}
 
−
A focus should be done on the engine modules, as the G.91 lives by its T/W ratio. New boosters is a double edged sword, as without the G-Suit one is just black out earlier. This oddly makes the Bomb unlock a tantalizing choice, especially in already won matches for farming on ground units before the game ends. Airframe and cover do little, the weight savings are very minor and without them the G.91 can still easily reach top speeds and rip off its wings...
 
 
=== Pros and cons ===
 
=== Pros and cons ===
 
<!-- ''Summarise and briefly evaluate the vehicle in terms of its characteristics and combat effectiveness. Mark its pros and cons in the bulleted list. Try not to use more than 6 points for each of the characteristics. Avoid using categorical definitions such as "bad", "good" and the like - use substitutions with softer forms such as "inadequate" and "effective".'' -->
 
<!-- ''Summarise and briefly evaluate the vehicle in terms of its characteristics and combat effectiveness. Mark its pros and cons in the bulleted list. Try not to use more than 6 points for each of the characteristics. Avoid using categorical definitions such as "bad", "good" and the like - use substitutions with softer forms such as "inadequate" and "effective".'' -->
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== 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).'' -->
−
 
 
 
Winner of the 1953 NATO light tactical support aircraft competition, the Fiat "Small Sabre" would be in production for 19 years, with 756 aircraft completed, with the last aircraft produced in 1977. It served in the Italian and West German air forces starting in 1961 and 1962 respectively.
 
Winner of the 1953 NATO light tactical support aircraft competition, the Fiat "Small Sabre" would be in production for 19 years, with 756 aircraft completed, with the last aircraft produced in 1977. It served in the Italian and West German air forces starting in 1961 and 1962 respectively.
  
−
The original competition specifications called for a jet able to carry 450 kg of ordnance with an operational radius of 180 km, assuming 10 minutes over the target, with a maximum speed of at least Mach 0.95 and a takeoff distance of no more than 1100m, on unprepared or grass runways. Eight aircraft competed in the first round, including the French Dassault Etendard (then called the Mystere XXVI) and the British Folland Gnat. The Etendard, the G.91 and a Breguet design were selected for the second round beginning in late 1957. Fiat went ahead with pre-production ("pre-serie" in Italian) aircraft, with first flight in August, 1956, seven months ahead of its competitors. The crash of the first prototype due to aeroclastic vibrations in February, 1957, proved a setback, but the G.91 entered the second round as scheduled and was announced as the winner in January, 1958.
+
The original competition specifications called for a jet able to carry 450 kg of ordnance with an operational radius of 180 km, assuming 10 minutes over the target, with a maximum speed of at least Mach 0.95 and a takeoff distance of no more than 1,100 m, on unprepared or grass runways. Eight aircraft competed in the first round, including the French Dassault Etendard (then called the Mystere XXVI) and the British Folland Gnat. The Etendard, the G.91 and a Breguet design were selected for the second round beginning in late 1957. Fiat went ahead with pre-production ("pre-serie" in Italian) aircraft, with first flight in August, 1956, seven months ahead of its competitors. The crash of the first prototype due to aeroclastic vibrations in February, 1957, proved a setback, but the G.91 entered the second round as scheduled and was announced as the winner in January, 1958.
  
 
Critics said Fiat had just copied the F-86 Sabre, which it was manufacturing under license, but these claims seem unwarranted. Operational service evaluations with the Italian air force's 103 Squadron ran from February to July, 1959, leading to a West German decision to manufacture the aircraft under license.
 
Critics said Fiat had just copied the F-86 Sabre, which it was manufacturing under license, but these claims seem unwarranted. Operational service evaluations with the Italian air force's 103 Squadron ran from February to July, 1959, leading to a West German decision to manufacture the aircraft under license.
  
 
== Media ==
 
== Media ==
−
<!--''Excellent additions to the article would be video guides, screenshots from the game, and photos.''-->
+
<!-- ''Excellent additions to the article would be video guides, screenshots from the game, and photos.'' -->
−
{{Youtube-gallery|xnSwBP_D3aw|'''"How to fly the Fiat G.91R/1"''' by ''McChickenBites''|tCiqB569rTg|'''"The G.91 Is The Most Braindead Jet To Fly... But It's Still Fun"''' by ''SPITflyer''}}  
+
 
−
* [https://live.warthunder.com/post/624545/en/ Skin of the Week: June Week 3-4 2017! Fiat G.91 PAN M.M. 6244, 313° Gruppo Addestramento Acrobatico, Pattuglia Acrobatica Nazionale Frecce Tricolori, 1964 – 1981. - by ''Sonoda_Kotori'']
+
;Skins
−
* [https://live.warthunder.com/post/689435/en/ Skin: G.91 Vento Tricolore by ''Zaryulenko'']
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* [https://live.warthunder.com/feed/camouflages/?vehicle=fiat_g91_ps Skins and camouflages for the {{PAGENAME}} from live.warthunder.com.]
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;Videos
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{{Youtube-gallery|k15BSV4Xx9w|'''The Shooting Range #46''' - ''Pages of History'' section at 05:29 discusses the G.91.|tCiqB569rTg|'''"The G.91 Is The Most Braindead Jet To Fly... But It's Still Fun"''' - ''SPITflyer''}}
  
 
== See also ==
 
== See also ==
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== External links ==
 
== External links ==
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* [https://forum.warthunder.com/index.php?/topic/363988-fiat-g91-discussion-thread/ WT Forum: Fiat G.91 discussion thread]
 
* [https://forum.warthunder.com/index.php?/topic/363988-fiat-g91-discussion-thread/ WT Forum: Fiat G.91 discussion thread]
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* [https://forum.warthunder.com/index.php?/topic/364977-fiat-g91-preserie/ WT Forum: Flight Model Data Sheet]
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* [https://forum.warthunder.com/index.php?/topic/364977-fiat-g91-preserie/ Official data sheet - more details about the performance]
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{{AirManufacturer Fiat}}
 
{{Italy jet aircraft}}
 
{{Italy jet aircraft}}

Latest revision as of 14:13, 4 January 2024

Rank VI USA | Premium | Golden Eagles
A-10A Thunderbolt (Early)
This page is about the Italian jet fighter G.91 pre-serie. For other versions, see G.91 (Family).
G.91 pre-serie
fiat_g91_ps.png
GarageImage G.91 pre-serie.jpg
360://https://wiki.warthunder.com/images/9/9a/Cockpit_fiat_g91_ps.jpg
G.91 pre-serie
Italy flag.png Italy
V Rank
Battle rating:
AB RB SB
8.3 8.3 8.3
Class:
Research:105 000 Specs-Card-Exp.png
Purchase:300 000 Specs-Card-Lion.png
Show in game

Description

The G.91 pre-serie was a light subsonic fighter developed by Fiat in the late 1950s, it was a great success being introduced in the Italian, German and Portuguese air force. The objective of said fighter was to create a cheap, light fighter-bomber capable of becoming the standard between all NATO nations, this was due to the experience of the US and UN forces in the Korean War, and the introduction of more capable jet engines, that pushed the NATO Command to set a competition for this role. A total of 756 aircraft were built in a span of 19 years. The first preproduction variant of this aircraft was employed to test wing slats and disposable fuel tanks in the wings, and lacked many of the specialized features of future models, like reconnaissance and CAS equipment.

It was introduced in Update 1.69 "Regia Aeronautica" along with the initial Italian aviation tree. The G.91 pre-serie is a mid 1950s transonic fighter (< Mach 0.98) with ground attack abilities. Very manoeuvrable, but with a light offensive armament, the G.91 with is a difficult starter aircraft into the jet era. Especially as it will fly in fierce competition in the sky, facing both sub- and transonic aircraft and being smack in the middle performance-wise. Since it lacks offensive air-to-air missiles and a powerful enough engine, it should be used in a support role but it can also find very good use on the frontline in the hands of a skilled pilot.

General info

Flight performance

Air brakes
Allows you to dramatically reduce the flight speed by releasing special flaps
Drogue parachute
Reduces braking distance when landing on any runway
Max speed
at 1 200 m1 070 km/h
Turn time26 s
Max altitude11 000 m
EngineBristol Orpheus MK.801
TypeJet
Cooling systemAir
Take-off weight6 t

The G.91 was intended to replace the F-86A Sabre in German, Portuguese and Italian service and it shows. With an empty weight of only 3,100 kg (6,800 lbs) and a take-off weight of 5,500 kg (12,100 lbs), the Gina is in the same weight class as the P-51D and MiG-9, yet severely lighter than most other jets and losing about one and a half tonnes compared to the Sabre A.

Although only outputting a meagre 22 kN of thrust this first look disadvantage is literally outweighed by the high thrust to weight ratio of 0.73 empty (0.41 full). This makes the Gina an excellent dogfighter as jet fighters maintain both their top speed, climb and sustained turn-rate by their engine power rather than other flight characteristics. It can easily reach its own terminal speed (1,011 km/h, 921 ft/s) and self-destruct in level flight.

Lacking in straight wings and leading wing slats the stall speed for the G.91 is quite higher than the low weight lets one assume. One should hence be wary of many older jet types with said features, as after bleeding too much speed they can easily outmanoeuvre the Gina.

Starting with 20 min of fuel, gaining the climb speed of 800 km/h IAS (sustainable @ 7-8°; 730 ft/s) takes a mere ~80 seconds with 20 predicated for taking off at 230 km/h or 210 ft/s IAS. An Immelmann at 800 km/h will gain 1,000 m and lose 300 km/h. A hard 180° turn at the same speed takes >100 km/h and may lose up to 60 m.

Characteristics Max Speed
(km/h at 1,200 m) 		Max altitude
(metres) 		Turn time
(seconds) 		Rate of climb
(metres/second) 		Take-off run
(metres)
AB RB AB RB AB RB
Stock 1,043 1,014 11000 27.4 28.0 31 29.9 850
Upgraded 1,084 1,070 24.9 26.0 47.9 39.0

Details

Features
Combat flaps Take-off flaps Landing flaps Air brakes Arrestor gear Drogue chute
✓ ✓ ✓ ✓ X ✓
Limits
Wings (km/h) Gear (km/h) Flaps (km/h) Max Static G
Combat Take-off Landing + -
1011 345 589 550 345 ~11 ~5
Optimal velocities (km/h)
Ailerons Rudder Elevators Radiator
< 800 < 650 < 660 N/A

Engine performance

Engine Aircraft mass
Engine name Number Empty mass Wing loading (full fuel)
Bristol Orpheus MK.801 1 3,340 kg 281 kg/m2
Engine characteristics Mass with fuel (no weapons load) Max Takeoff
Weight
Weight (each) Type 9m fuel 20m fuel 30m fuel 32m fuel
400 kg Axial-flow turbojet 3,700 kg 4,132 kg 4,525 kg 4,603 kg 5,800 kg
Maximum engine thrust @ 0 m (RB / SB) Thrust to weight ratio @ 0 m (100%)
Condition 100% WEP 9m fuel 20m fuel 30m fuel 32m fuel MTOW
Stationary 2,161 kgf N/A 0.58 0.52 0.48 0.47 0.37
Optimal 2,161 kgf
(0 km/h) 		N/A 0.58 0.52 0.48 0.47 0.37

Survivability and armour

Crew1 person
Speed of destruction
Structural1 011 km/h
Gear345 km/h
  • 6.5 mm Steel - Behind, below and in front of the pilot
  • 6.5 mm Steel - under central fuel tanks.
  • 40 mm bulletproof glass - Armoured windshield

At its tier there is little which cannot hurt the G.91. This is mostly due to the large calibres and fast firing weapons found in the jet age, although the Gina does not help this issue. The armour is enough to withstand the occasional tank LMG fire, but otherwise will only protect the pilot from shrapnel damage. Even though the centreline arrangement of all components proves to be quite survivable in combat, it does NOT lend itself for head-ons or prolonged chases. The former only leads to functional aircraft with a dead pilot and the latter to the reverse, which was in all likelihood the intended design in real life.

Modifications and economy

Repair costBasic → Reference
AB3 313 → 4 475 Sl icon.png
RB9 281 → 12 538 Sl icon.png
SB11 364 → 15 352 Sl icon.png
Total cost of modifications91 300 Rp icon.png
146 600 Sl icon.png
Talisman cost2 100 Ge icon.png
Crew training86 000 Sl icon.png
Experts300 000 Sl icon.png
Aces1 700 Ge icon.png
Research Aces720 000 Rp icon.png
Reward for battleAB / RB / SB
120 / 370 / 600 % Sl icon.png
196 / 196 / 196 % Rp icon.png
Modifications
Flight performance Survivability Weaponry
Mods aerodinamic fuse.png
Fuselage repair
Research:
4 600 Rp icon.png
Cost:
7 400 Sl icon.png
220 Ge icon.png
Mods jet compressor.png
Compressor
Research:
4 600 Rp icon.png
Cost:
7 400 Sl icon.png
220 Ge icon.png
Mods armor frame.png
Airframe
Research:
6 800 Rp icon.png
Cost:
11 000 Sl icon.png
320 Ge icon.png
Mods booster.png
New boosters
Research:
6 800 Rp icon.png
Cost:
11 000 Sl icon.png
320 Ge icon.png
Mods aerodinamic wing.png
Wings repair
Research:
7 600 Rp icon.png
Cost:
12 000 Sl icon.png
360 Ge icon.png
Mods g suit.png
G-suit
Research:
7 600 Rp icon.png
Cost:
12 000 Sl icon.png
360 Ge icon.png
Mods armor cover.png
Cover
Research:
9 900 Rp icon.png
Cost:
16 000 Sl icon.png
460 Ge icon.png
Mods jet engine.png
Engine
Research:
9 900 Rp icon.png
Cost:
16 000 Sl icon.png
460 Ge icon.png
Mods ammo.png
bmg50_belt_pack
Research:
4 600 Rp icon.png
Cost:
7 400 Sl icon.png
220 Ge icon.png
Mod arrow 1.png
Mods napalm fire bomb.png
559G1
Research:
4 600 Rp icon.png
Cost:
7 400 Sl icon.png
220 Ge icon.png
Mods pilon bomb.png
SBC-17
Research:
6 800 Rp icon.png
Cost:
11 000 Sl icon.png
320 Ge icon.png
Mod arrow 1.png
Mods weapon.png
bmg50_new_gun
Research:
7 600 Rp icon.png
Cost:
12 000 Sl icon.png
360 Ge icon.png
Mods pilon block rocket.png
FFAR Mighty Mouse
Research:
9 900 Rp icon.png
Cost:
16 000 Sl icon.png
460 Ge icon.png

A focus should be made on the engine modules, as the G.91 lives by its T/W ratio. New boosters is a double edged sword, as without the G-Suit one is just black out earlier. This oddly makes the Bomb unlock a tantalizing choice, especially in already won matches for farming on ground units before the game ends. Airframe and cover do little, the weight savings are very minor and without them the G.91 can still easily reach top speeds and rip off its wings...

Armaments

Suspended armament

The G.91 pre-serie can be outfitted with the following ordnance:

1 2 3 4
Hardpoints G.91 pre-serie.png
12.7 mm M3 Browning machine guns (300 rpg) 2 2
500 lb AN-M64A1 bombs 1 1
Aerea 559G1 incendiary bombs 1 1
FFAR Mighty Mouse rockets 19 19
Default weapon presets
  • 4 x 12.7 mm M3 Browning machine guns (300 rpg = 1,200 total)
  • 4 x 12.7 mm M3 Browning machine guns + 38 x FFAR Mighty Mouse rockets
  • 4 x 12.7 mm M3 Browning machine guns + 2 x 500 lb AN-M64A1 bombs (1,000 lb total)
  • 4 x 12.7 mm M3 Browning machine guns + 2 x Aerea 559G1 incendiary bombs

The M3 Browning is a new weapon in the Italian arsenal at this 5th tier and compared to the previous experiences a let down. The rate of fire is phenomenal, but the small calibre and ammo size put a serious damper to the mood, that is in comparison of course. In practise and with good aim, it can easily shred four fighters. The high bullet velocity and fire rate is quite the advantage in the fast pace world of jet combat, ensuring hits in deflection shots where the lower rate of fire found in the Soviet jet fighters might have failed the pilot. Yet one will always look onto greener pastures, especially as the Gina only has four guns unlike all other Browning armed jets.

The ordnance carried by the G.91 is mediocre. It was designed as a fighter and it shows in the additional payloads. They should only be considered for a quick drop on the way to the combat zone, losing height/speed advantage in doing so, or once aerial dominance has already been established. Even then many other jets are way better suited for ground attacks.

The bombs are standard fare and often not worse the hassle with their low total yield. The FFAR rockets are a far better option allowing to tackle more than one target, even though they only work well against soft target and up to medium tanks.

Usage in battles

Air superiority is the combat objective for the G.91 Gina, anything else is secondary. In team games lure enemy fighters into extensive and excessive dogfights to allow your heavier and less nimble allies to "Boom-and-Zoom" or "Boom-and-Run" them. With their great thrust to weight ratio the G.91 can maintain their energy superiority and in emergencies (such as non-existant teamplay) to disengage. Alternatively standard BnZ is considerable choice. Again the great acceleration allows for more energy expensive manoeuvres and still disengage without much worry from the target. Such follies would be deadly in many other fighters, but the Gina is hence quite forgiving. In fact too forgiving, new pilots to the jet age need to lose old habits and the G.91 does not force one's hand.

Against bombers and ground attack craft the G.91 lacks fire power and it will take considerable ammo use to compensate for this. The measly protection against defensive fire makes this a dangerous task anyway and should thusly be left for better equipped allies.

The very same can be said for ground attacks. While being able to mount air-to-ground ordnance, the payload yield is minuscule. The FFAR pods are the only worthwhile consideration, but run against the G.91's intended role of Air Superiority Fighter.

Pros and cons

Pros:

  • Low weight, High thrust to weight ratio
    • Great turn time for a jet; can give the MiG-15 a run for its money
    • Great acceleration and climb rate
  • 4 x M3 machine guns can be deadly if aimed correctly and used in close range

Cons:

  • Short burst time due to low ammo count
  • Limited ground attack abilities
  • Bleeds off a lot of speed in a full elevator turn
  • Can rip its wings off if you pull full elevator past 800 km/h

History

Winner of the 1953 NATO light tactical support aircraft competition, the Fiat "Small Sabre" would be in production for 19 years, with 756 aircraft completed, with the last aircraft produced in 1977. It served in the Italian and West German air forces starting in 1961 and 1962 respectively.

The original competition specifications called for a jet able to carry 450 kg of ordnance with an operational radius of 180 km, assuming 10 minutes over the target, with a maximum speed of at least Mach 0.95 and a takeoff distance of no more than 1,100 m, on unprepared or grass runways. Eight aircraft competed in the first round, including the French Dassault Etendard (then called the Mystere XXVI) and the British Folland Gnat. The Etendard, the G.91 and a Breguet design were selected for the second round beginning in late 1957. Fiat went ahead with pre-production ("pre-serie" in Italian) aircraft, with first flight in August, 1956, seven months ahead of its competitors. The crash of the first prototype due to aeroclastic vibrations in February, 1957, proved a setback, but the G.91 entered the second round as scheduled and was announced as the winner in January, 1958.

Critics said Fiat had just copied the F-86 Sabre, which it was manufacturing under license, but these claims seem unwarranted. Operational service evaluations with the Italian air force's 103 Squadron ran from February to July, 1959, leading to a West German decision to manufacture the aircraft under license.

Media

Skins
Videos
The Shooting Range #46 - Pages of History section at 05:29 discusses the G.91.
"The G.91 Is The Most Braindead Jet To Fly... But It's Still Fun" - SPITflyer

See also

External links


Fiat Aviation (Fiat Aviazione)
Fighters  CR.32 · CR.32 bis · CR.32 quater
  CR.42 · Marcolin's C.R.42 CN · ▀Marcolin's C.R.42 CN
  G.50 serie 2 · G.50 AS serie 7
  G.55 sottoserie 0 · G.55 serie 1 · G.55S
  G.56
Jet fighters  G.91 pre-serie · G.91 R/1 · G.91 Y · G.91 YS
  ▄F-86K*
  ▄F-104G* · F-104S* · F-104S.ASA* · ▄F-104S TAF*
Strike aircraft  F.C.20 Bis
Bombers  B.R.20DR · B.R.20M M1
Export/Captured  J11 · ▀CR.42
  ▀G.50 serie 2 · ▀G.50 AS serie 7
  ◄G.91 R/3 · ◄G.91 R/4 · G.91 R/4
  *Licensed
See also  North American Aviation · Lockheed Martin

Italy jet aircraft
Aerfer  Sagittario 2 · Ariete
Fiat  G.91 pre-serie · G.91 R/1 · G.91 R/4 (Portugal) · G.91 Y · G.91 YS
AMX International  AMX · AMX A-1A (Brazil)
Panavia  Tornado ADV · ▄Tornado IDS · ▄Tornado IDS (1995)
  Foreign:
Vampire  Vampire FB 52A
F-84  ▄F-84F · ▄F-84G-21-RE
F-86  CL-13 Mk.4 · ▄F-86K
F-104  ▄F-104G · F-104S · ▄F-104S TAF (Turkey) · F-104S.ASA
F-16  ▄F-16A ADF
AV-8  ▄AV-8B Plus
Hungary 
Mikoyan-Gurevich  ◔MiG-15bis · ◔MiG-17PF · ◔MiG-21MF · ◔MiG-21bis-SAU · ◔MiG-23MF · ◔MiG-29
Ilyushin  ◔IL-28
Sukhoi  ◔Su-22M3
Saab  ◔JAS39EBS HU C

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