Difference between revisions of "F9F-8"

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=== Flight performance ===
 
=== Flight performance ===
 
{{Specs-Avia-Flight}}
 
{{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 F9F Cougar is a further improvement of the F9F series with the main changes that are changed wings, now being swept and a new more powerful engine, the Pratt & Whitney J48-P-8A. It increased the level speed to 1041 km/h and when the plane carries four AIM-9B missiles it is 991 km/h at sea level, which is still slower than a MiG-15 or F-86. Its speed limit is also higher: 1127 km/h IAS. The level acceleration is almost the same compared to previous versions, but since it is faster it gets better above 850 km/h.  
+
The F9F Cougar is a further improvement of the F9F series with the main changes that are changed wings, now being swept and a new more powerful engine, the Pratt & Whitney J48-P-8A. It increased the level speed to 1041 km/h and when the plane carries four AIM-9B missiles it is 991 km/h at sea level, which is still slower than a MiG-15 or F-86. Its speed limit is also higher: 1127 km/h IAS. The level acceleration is almost the same compared to previous versions, but since it is faster it gets better above 850 km/h.
 
The other aspect that has been slightly improved over the F9F-5 is climb rate, now can reach 29 m/s at sea level with full fuel tanks and increases to ~38 m/s with 20 minutes of fuel, it will not be able to out climb most of jet fighters from other nations at similar battle rating.
 
The other aspect that has been slightly improved over the F9F-5 is climb rate, now can reach 29 m/s at sea level with full fuel tanks and increases to ~38 m/s with 20 minutes of fuel, it will not be able to out climb most of jet fighters from other nations at similar battle rating.
 
Flying at full power is limited to 30 minutes of operation until the engine overheats and can fly at 95% of power indefinitely.
 
Flying at full power is limited to 30 minutes of operation until the engine overheats and can fly at 95% of power indefinitely.
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|-
 
|-
 
! colspan="2" | Engine name || Number
 
! colspan="2" | Engine name || Number
! colspan="3" | Empty mass || colspan="3" | Wing loading (full fuel)
+
! colspan="3" | {{Annotation|Basic mass|Mass of the aircraft with pilot and engine oil, but no fuel or weapons load}} || colspan="3" | Wing loading (full fuel)
 
|-
 
|-
| colspan="2" | Pratt & Whitney J48-P-8A || 1
+
| colspan="2" | Pratt & Whitney J48-P-8A || 1
| colspan="3" | 5,900 kg || colspan="3" | 286 kg/m<sup>2</sup>
+
| colspan="3" | 6,001 kg || colspan="3" | 289 kg/m<sup>2</sup>
 
|-
 
|-
 
! colspan="3" | Engine characteristics
 
! colspan="3" | Engine characteristics
! colspan="5" | Mass with fuel (no weapons load) || rowspan="2" | Max Takeoff<br />Weight
+
! colspan="5" | Mass with fuel (no weapons load) || rowspan="2" | Max Takeoff<br>Weight
 
|-
 
|-
 
! Weight (each) || colspan="2" | Type
 
! Weight (each) || colspan="2" | Type
 
! 17m fuel || 20m fuel || 30m fuel || 45m fuel || 58m fuel
 
! 17m fuel || 20m fuel || 30m fuel || 45m fuel || 58m fuel
 
|-
 
|-
| 600 kg || colspan="2" | Axial-flow turbojet
+
| 600 kg || colspan="2" | Centrifugal-flow turbojet
| 6,796 kg || 6,952 kg || 7,472 kg || 8,253 kg || 8,929 kg || 9,636 kg
+
| 6,906 kg || 7,027 kg || 7,541 kg || 8,311 kg || 9,019 kg || 9,636 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" | {{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="6" | Thrust to weight ratio @ 0 m (100%)
 
! colspan="6" | Thrust to weight ratio @ 0 m (100%)
 
|-
 
|-
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|-
 
|-
 
| ''Stationary'' || 3,182 kgf || N/A
 
| ''Stationary'' || 3,182 kgf || N/A
| 0.47 || 0.46 || 0.43 || 0.39 || 0.36 || 0.33
+
| 0.46 || 0.45 || 0.42 || 0.38 || 0.35 || 0.33
 
|-
 
|-
| ''Optimal'' || 3,182 kgf<br />(0 km/h) || N/A
+
| ''Optimal'' || 3,182 kgf<br>(0 km/h) || N/A
| 0.47 || 0.46 || 0.43 || 0.39 || 0.36 || 0.33
+
| 0.46 || 0.45 || 0.42 || 0.38 || 0.35 || 0.33
 
|-
 
|-
 
|}
 
|}
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* Bad aerial performance in turn time, G-limits, acceleration, and energy retention
 
* Bad aerial performance in turn time, G-limits, acceleration, and energy retention
 
* Around 800 km/h (500 mph) and above the plane starts to compress quite badly
 
* Around 800 km/h (500 mph) and above the plane starts to compress quite badly
* Guns tend to jam quickly without New 20 mm upgrade
+
* Guns tend to jam quickly without "New 20 mm cannons" modification
 
* Can't equip rockets
 
* Can't equip rockets
 
* When equipped the AIM-9 Sidewinder guided missiles the performance drops dramatically
 
* When equipped the AIM-9 Sidewinder guided missiles the performance drops dramatically
 
* Not a good dogfighter among its peers
 
* Not a good dogfighter among its peers
 
* Difficult stock grind due to aforementioned poor aerial and firepower performance
 
* Difficult stock grind due to aforementioned poor aerial and firepower performance
* Relatively expensive plane to purchase and train crew with, along with expensive modification costs
 
 
* Can be uptiered to encounter jets such as MiG-17s/Shenyang F-5s
 
* Can be uptiered to encounter jets such as MiG-17s/Shenyang F-5s
* Has a comparatively high repair cost of around 20,000 Silver Lions in RB/SB
 
  
 
== History ==
 
== History ==

Revision as of 18:38, 21 October 2021

Rank VI | Premium | Golden Eagles
Chinese A-5C Pack
This page is about the American naval jet fighter F9F-8. For other uses, see F9F (Family).
F9F-8
f9f-8.png
GarageImage F9F-8.jpg
360://https://wiki.warthunder.com/images/7/7e/Cockpit_f9f-8.jpg
F9F-8
Research:61 000 Specs-Card-Exp.png
Purchase:340 000 Specs-Card-Lion.png
Show in game

Description

The F9F-8 Cougar is a rank V American naval jet fighter with a battle rating of 8.3 (AB/RB/SB). It was introduced in Update 1.63 "Desert Hunters".

General info

Flight performance

Arrestor gear
Accelerates braking by grabbing the brake cable on the deck of the aircraft carrier
Air brakes
Allows you to dramatically reduce the flight speed by releasing special flaps
Max speed
at 610 m1 041 km/h
Turn time32 s
Max altitude12 500 m
EnginePratt & Whitney J48-P-8A
TypeJet
Cooling systemAir
Take-off weight10 t

The F9F Cougar is a further improvement of the F9F series with the main changes that are changed wings, now being swept and a new more powerful engine, the Pratt & Whitney J48-P-8A. It increased the level speed to 1041 km/h and when the plane carries four AIM-9B missiles it is 991 km/h at sea level, which is still slower than a MiG-15 or F-86. Its speed limit is also higher: 1127 km/h IAS. The level acceleration is almost the same compared to previous versions, but since it is faster it gets better above 850 km/h. The other aspect that has been slightly improved over the F9F-5 is climb rate, now can reach 29 m/s at sea level with full fuel tanks and increases to ~38 m/s with 20 minutes of fuel, it will not be able to out climb most of jet fighters from other nations at similar battle rating. Flying at full power is limited to 30 minutes of operation until the engine overheats and can fly at 95% of power indefinitely.

The Cougar wings' shape was changed a lot, the wing area was also increased. Due to lowered wing loading its low and medium speed turn rate was improved with the exception of stall speed which is higher, 217 km/h IAS with landing flaps. The swept wings also increased the manoeuvrability at high speed, but the Cougar can lock up badly near transonic speeds, although it can use the airbrake to slow down to the speed where it retains the best turn rate, which is between 600 and 800 km/h IAS. The flaps cannot be used to improve dogfight capabilities, only one position for landing is available which use is limited to 410 km/h IAS. Its roll rate up to 600 km/h IAS is almost the same, can reach up to ~100 degrees per second, but above its new wings allow the Cougar to improve it to ~150 degrees per second at 900 km/h. One thing that did not change are very low G limits, they can be easily exceeded after reaching 9-10G above 600 km/h IAS.

With full real controls the plane can break its wings even easier than with enabled instructor, it is recommended to not install the New Boosters module. Overall the plane has very good flight characteristics, especially at higher speed where it has good turning energy retention, even during pulling 5-6G.

Characteristics Max Speed
(km/h at 610 m)
Max altitude
(metres)
Turn time
(seconds)
Rate of climb
(metres/second)
Take-off run
(metres)
AB RB AB RB AB RB
Stock 1,019 988 12500 33.7 34.3 22.1 20.6 500
Upgraded 1,056 1,041 30.5 32.0 37.1 29.1

Details

Features
Combat flaps Take-off flaps Landing flaps Air brakes Arrestor gear Drogue chute
X X X
Limits
Wings (km/h) Gear (km/h) Flaps (km/h) Max Static G
Combat Take-off Landing + -
1127 410 N/A N/A 410 ~9 ~5
Optimal velocities (km/h)
Ailerons Rudder Elevators Radiator
< 950 < 790 < 510 N/A

Engine performance

Engine Aircraft mass
Engine name Number Basic mass Wing loading (full fuel)
Pratt & Whitney J48-P-8A 1 6,001 kg 289 kg/m2
Engine characteristics Mass with fuel (no weapons load) Max Takeoff
Weight
Weight (each) Type 17m fuel 20m fuel 30m fuel 45m fuel 58m fuel
600 kg Centrifugal-flow turbojet 6,906 kg 7,027 kg 7,541 kg 8,311 kg 9,019 kg 9,636 kg
Maximum engine thrust @ 0 m (RB/SB) Thrust to weight ratio @ 0 m (100%)
Condition 100% WEP 17m fuel 20m fuel 30m fuel 45m fuel 58m fuel MTOW
Stationary 3,182 kgf N/A 0.46 0.45 0.42 0.38 0.35 0.33
Optimal 3,182 kgf
(0 km/h)
N/A 0.46 0.45 0.42 0.38 0.35 0.33

Survivability and armour

Crew1 person
Speed of destruction
Structural1 127 km/h
Gear410 km/h
  • 9.5 mm steel - in front of cockpit
  • 8.5 mm steel - behind pilot
  • 60 mm steel - armoured windscreen

Modifications and economy

Repair costBasic → Reference
AB3 412 → 4 585 Sl icon.png
RB9 537 → 12 817 Sl icon.png
SB11 649 → 15 656 Sl icon.png
Total cost of modifications101 900 Rp icon.png
166 000 Sl icon.png
Talisman cost2 200 Ge icon.png
Crew training98 000 Sl icon.png
Experts340 000 Sl icon.png
Aces1 800 Ge icon.png
Research Aces780 000 Rp icon.png
Reward for battleAB / RB / SB
120 / 380 / 600 % Sl icon.png
202 / 202 / 202 % Rp icon.png
Modifications
Flight performance Survivability Weaponry
Mods aerodinamic fuse.png
Fuselage repair
Research:
6 800 Rp icon.png
Cost:
11 000 Sl icon.png
320 Ge icon.png
Mods jet compressor.png
Compressor
Research:
6 800 Rp icon.png
Cost:
11 000 Sl icon.png
320 Ge icon.png
Mods booster.png
New boosters
Research:
4 600 Rp icon.png
Cost:
7 400 Sl icon.png
220 Ge icon.png
Mods aerodinamic wing.png
Wings repair
Research:
8 500 Rp icon.png
Cost:
14 000 Sl icon.png
410 Ge icon.png
Mods jet engine.png
Engine
Research:
8 500 Rp icon.png
Cost:
14 000 Sl icon.png
410 Ge icon.png
Mods g suit.png
G-suit
Research:
11 000 Rp icon.png
Cost:
18 000 Sl icon.png
520 Ge icon.png
Mods armor frame.png
Airframe
Research:
4 600 Rp icon.png
Cost:
7 400 Sl icon.png
220 Ge icon.png
Mods armor cover.png
Cover
Research:
11 000 Rp icon.png
Cost:
18 000 Sl icon.png
520 Ge icon.png
Mods pilon bomb.png
FMBC mk.1
Research:
6 800 Rp icon.png
Cost:
11 000 Sl icon.png
320 Ge icon.png
Mod arrow 0.png
Mods ammo.png
anm3_belt_pack
Research:
4 600 Rp icon.png
Cost:
7 400 Sl icon.png
220 Ge icon.png
Mod arrow 0.png
Mods pilon bomb.png
FLBC mk.1
Research:
4 600 Rp icon.png
Cost:
7 400 Sl icon.png
220 Ge icon.png
Mods pilon block rocket.png
FFAR Mighty Mouse
Research:
4 600 Rp icon.png
Cost:
7 400 Sl icon.png
220 Ge icon.png
Mod arrow 1.png
Mods weapon.png
anm3_new_gun
Research:
8 500 Rp icon.png
Cost:
14 000 Sl icon.png
410 Ge icon.png
Mods air to air missile.png
AIM-9B
Research:
11 000 Rp icon.png
Cost:
18 000 Sl icon.png
520 Ge icon.png

Armaments

Offensive armament

Main article: M3 (20 mm)

The F9F-8 is armed with:

  • 4 x 20 mm M3 cannons, nose-mounted (190 rpg = 760 total)

Suspended armament

The F9F-8 can be outfitted with the following ordnance:

  • Without load
  • 2 x AIM-9B Sidewinder missiles
  • 4 x 500 lb AN-M64A1 bombs (2,000 lb total)
  • 2 x 1,000 lb LDGP Mk 83 bombs (2,000 lb total)
  • 4 x AIM-9B Sidewinder missiles

Usage in battles

First of your objective when you purchase this plane is to research as fast as you can the 20 mm cannons modifications. The F9F-8 default cannons get jammed in a quick burst.

This said don't expect to dogfight very well against any pure fighter jet as the turn time is quite stock but when you spade it out turning does get a better but the F9F-8 performs great defensive manoeuvres and can keep up in turns with the MiGs (beware that doesn't have the great acceleration that MiGs have).

This is not an air superiority aircraft, its main purpose is to support ground vehicles and planes.

The best tactics if you are new to this plane is to fly it like a F9F-2 or F9F-5 so stay near some allies and give them support.

  • Never roll too hard over 750 km\h (466 mph) or the wings will explode
  • Never execute manoeuvres over –2 G or the wings will explode

Radars

The F9F-8 is equipped with an AN/APG-30 rangefinding radar, located in the nose of the aircraft. It will automatically detect other planes within the scanning area and display the range to the closest target. It is linked with a gyro gunsight and can help with aiming at close range.

AN/APG-30 - Rangefinding radar
Maximum
Tracking
Range
Minimum
Tracking
Range
Azimuth Tracking
Angle
Elevation Tracking
Angle
2,750 m 300 m ±9° ±9°

Pros and cons

Pros:

  • Good payload options for bombs
  • Four 20 mm cannons can shred enemy aircraft and light ground targets
  • Slightly better top speed than on the F9F Panther
  • Can equip with AIM-9 Sidewinder guided missiles
  • Good roll rate over 800 km/h (500 mph)

Cons:

  • Bad aerial performance in turn time, G-limits, acceleration, and energy retention
  • Around 800 km/h (500 mph) and above the plane starts to compress quite badly
  • Guns tend to jam quickly without "New 20 mm cannons" modification
  • Can't equip rockets
  • When equipped the AIM-9 Sidewinder guided missiles the performance drops dramatically
  • Not a good dogfighter among its peers
  • Difficult stock grind due to aforementioned poor aerial and firepower performance
  • Can be uptiered to encounter jets such as MiG-17s/Shenyang F-5s

History

It was Grumman's engineers who first thought of developing their successful F9F Panther fighter into a swept-wing variant. The resulting Cougar was a very new design in many ways bucking post-war design trends. The fuselage, fin and rudder remained the same, however, the wings were completely new with a 35-degree sweep and lacking the distinctive wingtip tanks of the Panther. The engine was also an upgrade, a Pratt and Whitney J48 with an extra 1,000 kg of thrust over the previous J42. First flight was 20 September 1951, with operational trials starting three months later. Squadron deliveries began in November 1952. 706 F9F-6s with the original engine were produced, and 168 of the F9F-7 which used the Allison J33 turbojet instead.

The F9F-8 was the final version. Its prototype's first flight was December 1953. In this model, the fuselage was lengthened 30 cm to increase the space for fuel tanks. It had the J48-P-8 engines installed that gave it a total of 3,447kg of Thrust, the wings were also modified slightly to add an in-air refuelling probe plus the capability of mounting four Aim-9 sidewinders and a nose radar was fitted. In total, 601 F9F-8s were built.

The F9F-8 was too late to see combat in Korea, however, there were four trainer versions of the F9F-8 (F9F-8T) deployed to Vietnam and was used in airstrike directing for incoming allied aircraft.

The Argentine Navy was the only other nation to operate the F9F-8 and was the first jet aircraft that they ever had capable of breaking the sound barrier (In a dive).

It is also worth noting that the F9F-8 was redesignated, as part of the United States Tri-Service Designation System, to the F-9J in 1962.

Media

Skins
Images
Videos

See also

External links


Grumman Aircraft Engineering Corporation
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