P-40F-10

P-40F-10

P-40E-1

P-51C-10

P-40F-10

P-40E-1

P-51C-10

USA

II Rank

Battle rating:

AB	RB	SB
2.3	2.7	2.7

Class:

Fighter

Research:5 600

Purchase:22 000

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This page is about the American fighter P-40F-10. For other uses, see P40 (Disambiguation). For other vehicles of the family, see P-40 (Family).

Description

The P-40F-10 Warhawk is a rank II American fighter with a battle rating of 2.3 (AB) and 2.7 (RB/SB). It was introduced in Update 1.79 "Project X". The P-40F-10 Warhawk is a pursuit plane: its role is to intercept enemy fighters and bombers. The F-10 differs noticeably from the previous P-40 variants on 3 points:

• a new engine, the Packard-built Merlin engine that performs better at high altitudes,
• a longer tail to compensate the extra torque (the plane is 26 inches / 66 cm longer),
• the upper nose air intake is removed (while the lower nose air intake gets bigger).

General info

Flight performance

With the new features present on this plane, it now has a decent performance at high altitudes, as well as a superb diving capability while maintaining the ability to stand its ground in a dogfight, but not being the best at.

With a rather average climb ratio this plane will be able to reach 5,000 m in about 4 to 5 minutes, at that altitude it will maintain a decent straight-line acceleration and won’t reach performance limits until 5,600 m. Above that altitude both the engine power and surfaces control will continuously decrease.

This plane has a good dive speed acceleration and it can also bear high maximum speeds, giving it a good Boom and Zoom ability. It will be able to get out of a dive if pulled up at a maximum speed between 740 km/h and 760 km/h, although surfaces control will begin to decrease at 725 km/h, making it harder to adjust the direction.

When turn fighting, the P-40 will show its best turn ratio and maneuverability at 450 km/h; and if needed, combat flaps can be safely used at this speed to provide a slight boost. However, once it begins to lose speed, two problems will appear. First, it will begin to lose rudder stability, meaning that movement on the plane’s vertical axis (yaw) will get unstable and sluggish, thus becoming harder to get guns on target. Second, the plane’s turn ratio will begin to worsen once the speed drops below 350 km/h.

Characteristics	Max Speed (km/h at 5,029 m)		Max altitude (metres)	Turn time (seconds)		Rate of climb (metres/second)		Take-off run (metres)
	AB	RB		AB	RB	AB	RB
Stock	588	569	11000	21.1	22.0	7.7	7.7	350
Upgraded	646	615		18.9	20.0	15.9	11.2

Details

Features
Combat flaps	Take-off flaps	Landing flaps	Air brakes	Arrestor gear
✓	✓	✓	X	X

Limits
Wing-break speed (km/h)	Gear limit (km/h)	Flaps (km/h)			Max Static G
		Combat	Take-off	Landing	+	-
865	345	645	550	265	~11	~5

Optimal velocities
Ailerons (km/h)	Rudder (km/h)	Elevators (km/h)	Radiator (km/h)
< 420	< 380	< 420	> 340

Compressor (RB/SB)
Setting 1
Optimal altitude	100% Engine power	WEP Engine power
3,733 m	1,260 hp	1,584 hp
Setting 2
Optimal altitude	100% Engine power	WEP Engine power
6,400 m	1,175 hp	1,477 hp

Survivability and armour

Armour plates

• 38 mm Bulletproof glass in front of pilot.
• 3 mm Steel plate in front of oil cooling system.
• 8 mm Steel plate behind the pilot.

Critical components

• All critical components are located on the central airframe:
  • Self-sealing fuel tanks are located behind and under the pilot seat.
  • Engine and cooling systems are at the front of the plane.
  • Traction cables of control surfaces are in the tail section.
• Except for the armament, there are no critical modules in the wings.
• The wings can take a good amount of damage from MGs, except the tip that is easily blown off.
• 20mm ammunition will severe any wing clean.

Armaments

Offensive armament

The P-40F-10 is armed with:

• 6 x 12.7 mm Browning M2 machine guns, wing-mounted (281 rpg = 1,686 total)

Suspended armament

The P-40F-10 can be outfitted with the following ordnance:

• Without load
• 2 x 100 lb AN-M30A1 bombs (200 lb total)
• 1 x 500 lb AN-M64A1 bomb (500 lb total)
• 1 x 500 lb AN-M64A1 bomb + 2 x 100 lb AN-M30A1 bombs (700 lb total)

Usage in battles

The P-40F-10 performs similarly to the P-40E-1, although it is neither as fast (at lower altitudes) nor as good at turning. Although this is compensated with the new Merlin engine, providing a better performance at higher altitudes, as well as the re-designed tail section, which allows a better elevator control at higher speeds, making it a very competitive aircraft when using Boom and Zoom tactics. It can also take a good amount of machinegun hits while keeping the critical modules safe; however, cannons will pose a more serious threat specially if they hit the wings. This aircraft comes too with a good fire power, which considering all the characteristics listed previously, allows for the pilot to choose from different tactics as well as objectives when engaging enemy aircrafts.

Early Game

At the start of a match it’s advised to reach and altitude of 4,500 m to 5,000 m, for this WEP can be used, shallowly side climbing at a 20° angle, up to 3,500 m, then reducing throttle to 100% and a 17° angle (to avoid engine overheating) until the desired altitude is reached. Once up there start heading towards a more central map position, while keeping it leveled off in order to regain speed.

Bomber Hunting

Up here, enemy bombers will either be at the same altitude or lower. Packing 6 x 12.7 mm machineguns, the P-40 usually deals fatal damage to enemy bombers in only one pass, either destroying the wings or setting them on fire; making them a good target to aim for when in the air. Therefore, if any enemy bomber, or group of bombers are spotted nearby, it’s a good decision to attack them. Just keep in mind to check the surroundings as you don’t want to get jumped on by a group of enemy fighters while attacking their bombers.

Enemy Fighters

Taking advantage of the P-40F-10 capabilities, there are two ways in which you can attack enemy fighters. According to the situation, you should either:

• Boom and Zoom: If you spot any enemy below you, take advantage of this plane’s high maximum speed in a dive and use Boom and Zoom tactics; basically diving on them, start shooting once you are in range of your chosen gun convergence distance, as this will concentrate the most fire power on the center of the enemy plane, and then climb back regaining the lost altitude. Your plane can safely pull out of a dive at a maximum speed of 750 km/h; however, if you are aiming for a plane that’s dogfighting an ally or has seen you before you opened fire, keep in mind that if you’re going faster than 725 km/h the rudder as well as the aileron’s control will begin to stiffen up, making it harder to follow the enemy plane’s movements. To counter this, you can zoom back with the throttle set to 0% to lose some speed or, if the enemy hasn’t noticed you yet, you can loop around in a horizontal axis every time you are going faster than your desired speed, until you reach your target.

• Dogfight: If a dogfight approach is taken, this plane is able to outturn most axis fighters, except for Japanese ones. However, this will be relative to your energy state, since the performance of the P-40 will begin to decrease when going below a certain speed; therefore, it’s recommended to first engage while going at around 500 km/h, this will provide you with the longest time before the aircraft’s performance drops. Keep in mind that the plane will show its best turn ratio at about 450 km/h. Take advantage of the strong fire power of your aircraft to end these dogfights as soon as possible, and unless there are allies around to support you or the enemy aircraft is clearly more sluggish than yours at low speeds, do not stay in a dogfight if your speed goes below 300 km/h; you will notice that your turn ratio will get worse and the rudder control will become unstable. If you end up in this situation, the best decision would be to break from the dogfight, get some distance from the enemy and either: engage again if you have enough speed, this time with a Boom and Zoom mindset, or if the enemy is following and reaching you, force the enemy into scissors.

Manual Engine Control

MEC elements
Mixer	Pitch	Radiator			Supercharger	Turbocharger
		Oil	Water	Type
Controllable	Controllable Auto control available	Not controllable Not auto controlled	Controllable Not auto controlled	Combined	Controllable 2 gears	Not controllable

Modules

Tier	Flight performance		Survivability	Weaponry
I	Fuselage repair	Radiator		Offensive 12 mm
II		Compressor	Airframe		FSBC mk.1
III	Wings repair	Engine		New 12 mm MGs
IV		Engine injection	Cover		FMBC mk.1

Pros and cons

Pros:

• Good survivability
• Can outrun most on-tier vehicles in a straight-line path
• Good energy retention in a dive
• Better performance at it's mid to high speeds

Cons:

• Engine prone to overheating
• Like the previous iteration of the P-40, does not do well in a turn fight
• Sub-par climb rate

History

Although early P-40s were equipped with one of the most powerful inline engines available to the American aircraft industry at the time, it quickly became apparent that even that wasn't enough. Due to its advanced and robust design, it's no secret that the P-40 was a relatively heavy aircraft for its type, resulting in power-to-weight issues which would never be fully solved. Nonetheless, Curtiss engineers continued tweaking and improving the design in all aspects, trying to lessen the drawbacks of high weight and insufficient power.

In 1940, the American Packard Motor Car Company acquired a licence to manufacture the Rolls-Royce Merlin engine, in an effort to satisfy the growing demand of the British aviation industry. Additionally, the licence gave American engineers access to a more powerful engine at a time where similar U.S. engines were not available. Naturally, Curtiss engineers didn't waste any time outfitting the P-40 with the brand new licence-built Merlin engine, resulting in the creation of the P-40F. Besides the internal engine upgrade, some external changes were also applied to the aircraft. For instance, the tail section of the fuselage was lengthened in an effort to counter the negative effects of strong engine torque on take-off and landing experienced on earlier modifications. With the changes applied, serial production of the new P-40F was scheduled to begin in 1942. As the British and Commonwealth air forces were particularly keen on a Merlin-engined P-40 variant, they were also the first ones to receive the new P-40Fs as early as summer of the same year.

Despite the British and Commonwealth forces receiving the P-40Fs first, the majority of the 1,300 manufactured machines served with units of the USAAF in the Mediterranean theatre. By the end of the Mediterranean campaign in late 1943, the P-40F had successfully proven the value of the applied changes by presenting itself as a more than capable air superiority fighter, when matched up against previously superior Axis counterparts such as the Bf 109F/G and M.C. 202/205. During its service in the Mediterranean, experienced pilots, applying the right tactics showed that the Warhawk could no longer be considered the underdog, but instead an equal at very least.

Interesting: The Soviet Union received P-40 fighters under the lend-lease program; they were considered to be aircraft with medium efficiency but were quite durable. Lieutenant Alexei Khlobystov in one battle conducted two successful rams and after that encounter, the pilot and his “Kittyhawk” returned to the airfield!

- From Devblog

Media

The Shooting Range #98 - Pages of History section at 09:01 discusses the P-40F.

See also

Related development

• Curtiss P-36 Hawk
• Curtiss P-40 (Family)

Aircraft of comparable role, configuration and era

• Bell P-39 Airacobra
• Dewoitine D.520
• Grumman F4F Wildcat
• Hawker Hurricane
• Kawasaki Ki-61
• Lavochkin-Gorbunov-Gudkov LaGG-3
• Macchi C.202
• Messerschmitt Bf 109
• Mikoyan-Gurevich MiG-3
• Mitsubishi A6M Zero
• Supermarine Spitfire
• Yakovlev Yak-1

External links

• [Devblog] Curtiss P-40F: The Mediterranean Angel of Death
• [Wikipedia] Curtiss P-40 Warhawk variants
• [Forum] What are your thoughts? - P-40F-10 Warhawk