Difference between revisions of "XF5F"
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Revision as of 19:27, 18 November 2022
Contents
Description
The XF5F Skyrocket is a premium gift rank III American twin-engine fighter with a battle rating of 3.0 (AB) and 2.3 (RB/SB). It was introduced in Update 1.37.
As a gift vehicle. the XF5F was only obtainable on special occasions throughout the years:
- During the 2014 Winter Magic event, the XF5F was given to the players who participated the most in the event.
- During the 2014 War Thunder Anniversary event, the XF5F was one of the few planes that were given away.
- In the 2016 Team Deathmatch tournament, the plane was awarded to the top 300 players.
- During the 2017 U.S. Air Force day event, the plane could be received by performing a single in-game task.
- It was also made available in the Warbonds shop as a random prize of the Vehicle battle trophy from April to August 2018 and from September 2019 to February 2020.
- During War Thunder's 10th anniversary, it was a reward for the "10 rare vehicles" event.
General info
Flight performance
The XF5F Skyrocket is an oddity. Its lightweight and surprising manoeuvrability aren't what you'd expect from a twin-engine fighter. Indeed, it is among the most agile twin-engine planes at this rank. Coupled with the low weight and its two powerplants, this aircraft makes for a unique flying style. The responsive roll and pull, in addition to the effective combat flaps, engine throttle management, and acceleration, allows for some nifty dogfighting against heavier planes that may see you as easy prey. It locks up similar to the XP-50's high-speed compression as you go past 600 km/h.
Keep in mind, however, that the engines will overheat badly at low altitude, and even more so at around 2,800 m due to the supercharger. Overheating isn't nearly as serious at higher altitude (around 12,000 ft / 3,600 m), where fresh air will cool your motor apparatus quickly. Alternatively, you may manually set the radiators to ~40% water/20% oil for continuous 100% engine power. Overall, the XF5F is a plane that favours high altitude, medium speed engagements, where it is safe from crashing in the ground and has room to manoeuvre.
| Characteristics | Max Speed (km/h at 5,273 m) |
Max altitude (metres) |
Turn time (seconds) |
Rate of climb (metres/second) |
Take-off run (metres) | |||
|---|---|---|---|---|---|---|---|---|
| AB | RB | AB | RB | AB | RB | |||
| Stock | 558 | 544 | 9400 | 21.9 | 22.6 | 7.4 | 7.3 | 280 |
| Upgraded | 588 | 574 | 20.2 | 21.0 | 12.1 | 9.7 | ||
Details
| Features | ||||
|---|---|---|---|---|
| Combat flaps | Take-off flaps | Landing flaps | Air brakes | Arrestor gear |
| ✓ | ✓ | ✓ | X | ✓ |
| Limits | ||||||
|---|---|---|---|---|---|---|
| Wings (km/h) | Gear (km/h) | Flaps (km/h) | Max Static G | |||
| Combat | Take-off | Landing | + | - | ||
| 0 | 370 | 465 | 436 | 290 | ~11 | ~7 |
| Optimal velocities (km/h) | |||
|---|---|---|---|
| Ailerons | Rudder | Elevators | Radiator |
| < 350 | < 400 | < 350 | > 300 |
| Compressor (RB/SB) | ||
|---|---|---|
| Setting 1 | ||
| Optimal altitude | 100% Engine power | WEP Engine power |
| 1,200-5,000 m | 1,200 hp | N/A |
| Setting 2 | ||
| Optimal altitude | 100% Engine power | WEP Engine power |
| 4,200-9,000 m | 1,120 hp | N/A |
Survivability and armour
- 9.5 mm Steel plate in the nose
- 9.5 mm Steel plate behind the pilot
- Self-sealing fuel tanks (1 in each wingroot)
Modifications and economy
2 × 80 / 220 / 390 % 2 × 154 / 154 / 154 % | Flight performance | Survivability | Weaponry | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
|
Armaments
Offensive armament
The XF5F is armed with:
- 2 x 12.7 mm M2 Browning machine guns, nose-mounted (200 rpg = 400 total)
- 2 x 7.62 mm Browning machine guns, nose-mounted (500 rpg = 1,000 total)
Usage in battles
- Combat tactics
The Skyrocket's primary role is going to be Boom & Zoom; the climb rate is decent, and so is the energy retention if you stay under 550 kph and opt for smooth, moderate turns. However, the lack of heavy armament means that you will have to keep your guns on target longer in order to achieve considerable damage. Such opportunity comes when the enemy is low on speed and not suspecting any enemies/tunnel-visioned on an ally; for example at the top of a loop, or in a sustained turn fight with an allied plane. If required, you can push the XF5F into a more aggressive energy fighter, similar to the Bf 109 series, where looping back on the enemy while holding superior speed and altitude allows you to extinguish their energy little by little. Some general tips:
- Exploiting the opponent's weakness while relying on a fast straight-line acceleration may allow for escapes out of an unfavourable situation.
- Energy fighters (Bf 109/C.205/La-5) trying to out turn a twin-engine plane can be lured into stall-speed turn fights and intercepted during their subsequent speed recovery.
- Single engagements at low altitude are optimal thanks to fast acceleration trumping dive speed and climb.
- Engagements with multiple opponents are to be avoided since the XF5F needs a substantially longer time to effectively engage and eliminate a target.
- Specific enemies worth noting
In Realistic and Simulator Battles, the stiff opposition, in the form of F4U-1, Bf 109 F, La-5, Yaks, Hurricanes and Ki-61, will give you a serious run for your money. Always make sure you hold the energy advantage at all times and are picking your fights with care.
- Counter-tactics
Countering an XF5F could include out-diving or -stalling with horizontal manoeuvres followed up by a steep ascend, exploiting its weak energy retention and sluggishness at low speeds. Another tactic is to force the XF5F into a head-on attack. Since it's not very well armed, there is a good chance that you will be able to deal damage without receiving much yourself.
Manual Engine Control
| MEC elements | ||||||
|---|---|---|---|---|---|---|
| Mixer | Pitch | Radiator | Supercharger | Turbocharger | ||
| Oil | Water | Type | ||||
| Controllable | Controllable Not auto controlled |
Controllable Not auto controlled |
Controllable Not auto controlled |
Separate | Controllable 2 gears |
Not controllable |
Pros and cons
Pros:
- Adequate manoeuvrability overall
- Superb turn time
- Nose-mounted armament
- Can fly on a single-engine, albeit not for long
- Does have an arrestor hook, allowing for it to land on a carrier to repair/rearm
Cons:
- Weak armament
- Control surfaces compress hard after exceeding around 600 km/h
- Horrible energy retention
- Large profile,making it an easy target
- Large, fragile engines
- Prolonged usage of engines at 100% throttle causes it to overheat
- Poor climb rate
- Terrible high altitude performance
- No WEP in RB/SB
- Arrestor Hook is short/non-extendable, making carrier landings tricky
History
The Grumman XF5F Skyrocket was a prototype twin engine, carrier-borne, interceptor aircraft; developed for the United States Navy. In January 1938, the U.S. Navy issued a specification calling for a lightweight carrier-based fighter / interceptor to replace the obsolete biplanes which were in use at the time. Five companies issued proposals, of which Grumman, Vought and Bell received contracts to produce a prototype. Grumman produced the XF5F Skyrocket, to complete with Vought's XF4U-1 Corsair (the prototype of the legendary F4U Corsair), and Bell's XFL Airabonita (a naval version of the P-39 Airacobra.
The requirement put an emphasis on the aircraft achieving the highest speed possible, and so for this reason the Grumman engineers chose to design a dual engine fighter. Grumman planned to fit the aircraft with two 23mm Madsen cannons, along with two Browning .30 machine guns; although this would eventually be revised with Browning .50 machine guns replacing the cannons. The main landing gear of the Skyrocket was built into the engine nacelles, and the wings were made to fold upwards just outboard of the engines in order to take up less room on aircraft carriers.
The Skyrocket was the first of the three prototypes to fly, taking to the air for the first time on 1st April 1940 and becoming the worlds first twin engined carrier-borne fighter. It was followed shortly after by the Airabonita on 13th May and the Corsair on 29th May. The XF5F proved to have good overall flight characteristics in it's first flight; however a number of problems were soon found with the aircraft. The oil cooling system was found to be inadequate, and the landing gear doors did not function properly. Following early test flights many modifications were made to the aircraft, including improvements to the cooling system, reducing the size of the cockpit canopy, redesigning aspects of the engine nacelles, and adding spinners to the propellers.
Bell's XFL Airabonita had been plagued with technical and design issues relating to the engine, aircraft balance, and landing gear; leading to it being rejected by the Navy. This left just the XF5F and XF4U in the competition. The XF5F had shown a high top speed of 616 km/h in early tests, and had proven itself to have an excellent climb rate of 4,000 ft/min, compared to the XF4U's 2,660 ft/min. However the single engine XF4U soon proved to be a better overall aircraft, achieving speeds of 650 km/h in later test flights, beating the duel engined XF5F.
On the 30th June 1941 the Navy gave Vought a contract to start producing the Corsair, and it soon became apparent that no such order would be placed for the Skyrocket. The XF5F continued flying as a test bed aircraft, but continued to be plagued by landing gear issues, eventually suffering two gear failures, the second of which lead to the aircraft being written off in December 1944.
Following the rejection of the XF5F Grumman worked on developing a dual engine land based fighter, the XP-50. The XP-50 was visually similar to the XF5F; however it had a longer noes, extending forwards of the wing, and a tricycle undercarriage. It also had more powerful engines than the XF5F, giving it significantly better flight performance. During testing of the single XP-50 prototype the turbo-supercharger on one of the aircraft's engines exploded, destroying the landing gear and forcing the pilot to abandon the aircraft. Using their experience from the XF5F and XP-50 Grumman finally developed the F7F Tigercat, which was accepted into service, becoming the first duel engined fighter to be deployed by the US Navy.
Media
- Skins
- Videos
See also
- Related development
- Similar airframe
External links
- War Thunder Aircraft Data Sheet: Grumman XF5F
- Aviation History Online Museum - Grumman XF5F-1 Skyrocket
- Performance Data of XF5F-1 and XFL-1 (26 Dec 1942)
- SD-260 Detail Specification for Model XF5F-1 Airplane, May 5, 1938
| Grumman Aircraft Engineering Corporation | |
|---|---|
| Aircraft | |
| Fighters | |
| F3F | F3F-2 · Galer's F3F-2 |
| F4F Wildcat | F4F-3 · F4F-4 |
| XF5F Skyrocket | XF5F · XP-50 |
| F6F Hellcat | F6F-5 · F6F-5N |
| F7F Tigercat | F7F-1 · F7F-3 |
| F8F Bearcat | F8F-1 · F8F-1B |
| Jet Fighters | |
| F9F Panther/Cougar | F9F-2 · F9F-5 · F9F-8 |
| F-11 Tiger | F11F-1 |
| F-14 Tomcat | F-14A Early · F-14B |
| Jet Strike Aircraft | |
| A-6 Intruder | A-6E TRAM |
| Bombers | TBF-1C |
| Export | ▄Martlet Mk IV · ▄F6F-5 · ▄F6F-5N · ▄F8F-1B · ▄Avenger Mk II · ▄Hellcat Mk II |
| ▄F-14A IRIAF | |
| Naval Vehicles | |
| Patrol Gunboat Hydrofoil (PGH) | USS Flagstaff |
| USA twin-engine fighters | |
|---|---|
| P-38 | XP-38G · P-38E · P-38G-1 · P-38J-15 · Bong's P-38J-15 · P-38L-5-LO · P-38K · YP-38 |
| P-61 | P-61A-11 · P-61C-1 |
| F7F | F7F-1 · F7F-3 |
| Other | XF5F · XP-50 · F-82E |
| USA premium aircraft | |
|---|---|
| Fighters | Thach's F2A-1 · Galer's F3F-2 · F2G-1 · F4U-4B VMF-214 · P-26A-34 · Rasmussen's P-36A · P-40C · P-43A-1 |
| P-47M-1-RE · ⋠P-47M-1-RE · P-51A · P-51D-10 · P-51D-20-NA · ␠Kingcobra · XP-55 | |
| ▃A6M2 · ▃Ki-43-II · ▃Ki-61-Ib · ▃Bf 109 F-4 · ▃Fw 190 A-8 · ▃Spitfire LF Mk IXc | |
| Twin-engine fighters | XP-38G · Bong's P-38J-15 · P-38K · YP-38 · P-61A-11 · XF5F · XP-50 · F7F-3 |
| Jet fighters | P-59A · F-86F-35 · F-89B · F-89D · F-4S Phantom II · F-5C · F-20A |
| Strike aircraft | A-1H · A2D-1 · AU-1 · XA-38 · AV-8A · AV-8B (NA) · A-6E TRAM · A-10A |
| Bombers | A-26C-45DT · B-10B · BTD-1 · PBM-3 "Mariner" · PBM-5A "Mariner" · PV-2D |
