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P-51B-5

p51b5

Description

Indicated stall speed in flight configuration: 158..192 km/h (98..119 mph)
Indicated stall speed in takeoff/landing configuration: 147..177 km/h (91..110 mph)

Dive speed limit: 812 km/h (505 mph)
Maximum load factor: 10.0 G
Stall angle of attack in flight configuration: 19.0 °
Stall angle of attack in landing configuration: 16.0 °

Packard V-1650-3:

Maximum true air speed at sea level, engine mode - WEP: 600 km/h (373 mph)
Maximum true air speed at 9000 m (29530 feet), engine mode - WEP: 700 km/h (435 mph)

Maximum true air speed at sea level, engine mode - WEP, with 150 grade fuel: 619 km/h (385 mph)
Maximum true air speed at 7750 m (25430 feet), engine mode - WEP, with 150 grade fuel: 713 km/h (443 mph)

Maximum true air speed at sea level, engine mode - Combat: 582 km/h (362 mph)
Maximum true air speed at 9500 m (31170 feet), engine mode - Combat: 691 km/h (429 mph)

Maximum true air speed at sea level, engine mode - Cruise: 506 km/h (314 mph)
Maximum true air speed at 10000 m (32810 feet), engine mode - Cruise: 662 km/h (411 mph)

Service ceiling: 12680 m (41600 feet)

Climb at engine mode - WEP
Climb rate at sea level: 18.6 m/s (3661 feet/min)
Climb rate at 3000 m (9843 feet): 17.8 m/s (3504 feet/min)
Climb rate at 6000 m (19685 feet): 13.1 m/s (2579 feet/min)

Maximum performance turn at sea level: 19.2 s, at 290 km/h (180 mph) IAS.
Maximum performance turn at 3000 m (9843 feet): 28.0 s, at 295 km/h (183 mph) IAS.

Flight endurance at 3000 m (9843 feet): 4.3 h, at 350 km/h (217 mph) IAS.

Packard V-1650-7:

Maximum true air speed at sea level, engine mode - WEP: 604 km/h (375 mph)
Maximum true air speed at 7500 m (24600 feet), engine mode - WEP: 717 km/h (446 mph)

Maximum true air speed at sea level, engine mode - WEP, with 150 grade fuel: 626 km/h (389 mph)
Maximum true air speed at 6250 m (20505 feet), engine mode - WEP, with 150 grade fuel: 721 km/h (448 mph)

Maximum true air speed at sea level, engine mode - Combat: 588 km/h (365 mph)
Maximum true air speed at 8500 m (27890 feet), engine mode - Combat: 713 km/h (443 mph)

Maximum true air speed at sea level, engine mode - Cruise: 521 km/h (324 mph)
Maximum true air speed at 8500 m (27890 feet), engine mode - Cruise: 665 km/h (413 mph)

Service ceiling: 12680 m (41600 feet)

Climb at engine mode - WEP
Climb rate at sea level: 19.3 m/s (3799 feet/min)
Climb rate at 3000 m (9843 feet): 18.0 m/s (3543 feet/min)
Climb rate at 6000 m (19685 feet): 11.8 m/s (2323 feet/min)

Maximum performance turn at sea level: 19.0 s, at 290 km/h (180 mph) IAS.
Maximum performance turn at 3000 m (9843 feet): 28.0 s, at 295 km/h (183 mph) IAS.

Flight endurance at 3000 m (9843 feet): 4.3 h, at 350 km/h (217 mph) IAS.

Takeoff speed: 185..200 km/h (115..125 mph)
Glideslope speed: 185..210 km/h (115..130 mph)
Landing speed: 175..195 km/h (110..120 mph)
Landing angle: 12.9 °

Note 1: the data provided is for international standard atmosphere (ISA).
Note 2: flight performance ranges are given for possible aircraft mass ranges.
Note 3: maximum speeds, climb rates and turn times are given for standard aircraft mass and 68% of fuel.
Note 4: turn times are given for WEP power.

Engine:
Model: Packard V-1650-3
Maximum power in WEP mode at sea level: 1550 HP
Maximum power in Combat mode at sea level: 1385 HP

Maximum power in WEP mode at 7860 m (25800 feet): 1235 HP
Maximum power in Combat mode at 7100 m (23300 feet): 1360 HP

Engine:
Model: Packard V-1650-7
Maximum power in WEP mode at sea level: 1650 HP
Maximum power in Combat mode at sea level: 1490 HP

Maximum power in WEP mode at 5800 m (19030 feet): 1525 HP
Maximum power in Combat mode at 6500 m (21325 feet): 1390 HP

Engine modes:
Cruise (unlimited time): 2700 RPM, 46 inch Hg
Combat power (up to 15 minutes): 3000 RPM, 61 inch Hg
WEP (up to 5 minutes): 3000 RPM, 67 inch Hg
WEP with 150 grade fuel (up to 5 minutes): 3000 RPM, 75 inch Hg

Water rated temperature in engine output: 100..110 °C
Water maximum temperature in engine output: 121 °C
Oil rated temperature in engine intake: 80 °C
Oil maximum temperature in engine intake: 90 °C

Supercharger gear shift altitude: automatic with possibility of manual switch to low gear

Empty weight: 3340 kg (7363 lb)
Minimum weight (no ammo, 10% fuel): 3560 kg (7849 lb)
Standard weight: 4389 kg (9676 lb)
Maximum takeoff weight: 5667 kg (12493 lb)
Fuel load: 732 kg (1614 lb) / 1020 l (269 gal)
Useful load: 2234 kg (4925 lb)

Forward-firing armament:
4 x 12.7mm machine gun “M2 .50”, 350 rounds for inboard and 280 rounds for outboard, 850 rounds per minute, wing-mounted

Bombs:
Up to two 500 lb general purpose bomb “M64”
Up to two 1000 lb general purpose bomb “M65” or “MC 1000”

Rockets:
6 x unguided rockets “M8” in two “M10” launchers that can be jettisoned

Length: 9.84 m (32 3-5/16 feet)
Wingspan: 11.29 m (37 5/16 feet)
Wing surface: 22.30 m² (240 feet²)

Combat debut: winter 1943-1944

Operation features:

COMBAT, AEROBATIC MANEUVERS AND INSTRUMENT FLYING ARE FORBIDDEN AT FULL FUEL RESERVE! The aircraft is unstable with full rear fuel tank. This limit is lifted when there is no more than 20 gallons (around 75% fuel left) in the rear tank. This tank is completely empty at 68% total fuel level.
It is possible to reach dangerously high Mach numbers in a dive: the aircraft starts to shake and the loss of control is possible. Reduce the throttle and gently return to a horizontal flight.
The engine has a emergency boost mode. To set boost mode it is necessary to pull the boost knob and set full throttle.
The engine is equipped with the automatic governor of the manifold pressure that works when the throttle is set to 1/3 position or above.
The engine has a two stage mechanical supercharger which does not require manual control. It can be switched to the low gear manually.
The engine is equipped with an automatic fuel mixture control which maintains optimal mixture if the mixture lever is set to AUTO RICH (100%) position. To stop the engine mixture lever should be set to the Cut Off (0%) position.
Engine RPM has an automatic governor that controls the propeller pitch to maintain the required RPM.
The water and oil radiators shutters are operated automatically, but there is a manual mode.
The aircraft has trimmers for all flight-controls: pitch, roll and yaw.
Landing flaps have a hydraulic actuator and can be extended to 10°, 20°, 30°, 40° or 50°.
Each tank has a dedicated fuel level indicator: wing tank inidicators are located on the cockpit floor and the rear tank indicator is behind the pilot seat on the left.
The tailwheel rotates freely, but moving the control stick back locks it so it rotates by the pedals input.
The aircraft has independent left and right hydraulic wheel brake controls. To apply either brake push the upper part of the rudder pedal.
The aircraft is equipped with a parking brake system.
The signal lamp lights up when the landing gear is up and the throttle is in the backward position or when the landing gear is down, but the throttle is in the forward position.
The aircraft is equipped with formation lights.
The unguided rockets are launched using the electric controller which allows single, pair, triple and salvo (all rockets at 0.1 seconds interval) launch.
The gyroscopic gunsight automatically calculates required angular deflection while firing at a target. It has 3 modes: fixed reticle, fixed and gyro reticle, gyro reticle. The angular deflection will be calculated correctly only if the target range is set properly. To set the range, adjust the target base first using separate controls and then set the range by adjusting the size of the range-finding reticle to be the same as the target size.

Basic data and recommended positions of the aircraft controls:

Starting the engine:
- recommended position of the mixture control lever: Auto Rich (auto mixture control)
- recommended position of the radiator control handle: auto radiators control
- recommended position of the prop pitch control handle: 100%
- recommended position of the throttle lever: 10%
- before taxiing, the parking brake must be released
Recommended mixture control lever positions for various flight modes: auto mixture control
Recommended positions of the radiators control handle for various flight modes: auto radiators control
Approximate fuel consumption at 2000 m altitude:
- Cruise engine mode: 6.3 l/min
- Combat engine mode: 13.4 l/min

Modifications

Mirror
Rear view mirror
Additional mass: 1 kg (2.2 lbs)
Estimated speed loss: 2 km/h (1.2 mph)

Malcolm hood canopy
Malcolm Hood canopy
Additional mass: 1 kg (2.2 lbs)
Estimated speed loss: 2 km/h (1.2 mph)

Gyro Gunsight
Mk.IID Gyro Gunsight
Additional mass: 5.2 kg (11.5 lbs)
Estimated speed loss: 0 km/h

British Reflector Gunsight
Mk.II reflector Sight
Additional mass: 1.0 kg (2.2 lbs)
Estimated speed loss: 0 km/h

Ground attack modification
Underwing and underbelly racks for bombs and rockets

Racks only:

Rack mass: 22 kg (48 lbs)
Estimated speed loss: 11 km/h (6 mph)

2*500 lb General Purpose Bomb M64:

Additional mass: 530 kg (1168 lbs)
Ammunition mass: 508 kg (1120 lbs)
Rack mass: 22 kg (48 lbs)
Estimated speed loss before drop: 31 km/h (18 mph)
Estimated speed loss after drop: 11 km/h (6 mph)

2*1000 lb General Purpose Bomb M65:

Additional mass: 1046 kg (2306 lbs)
Ammunition mass: 1024 kg (2258 lbs)
Rack mass: 22 kg (48 lbs)
Estimated speed loss before drop: 55 km/h (34 mph)
Estimated speed loss after drop: 11 km/h (6 mph)

2*500 lb General Purpose Bomb MC 500:
(only for British planes)

Additional mass: 486 kg (1071 lbs)
Ammunition mass: 466 kg (1023 lbs)
Rack mass: 22 kg (48 lbs)
Estimated speed loss before drop: 30 km/h (17 mph)
Estimated speed loss after drop: 11 km/h (6 mph)

2*1000 lb General Purpose Bomb MC 1000:
(only for British planes)

Additional mass: 971 kg (2141 lbs)
Ammunition mass: 949 kg (2093 lbs)
Rack mass: 22 kg (48 lbs)
Estimated speed loss before drop: 54 km/h (33 mph)
Estimated speed loss after drop: 11 km/h (6 mph)

6*M8 rockets in M10 jettisonable launchers:

Additional mass: 171.9 kg (379 lbs)
Ammunition mass: 115.9 kg (256 lbs)
Racks mass: 56 kg (123 lbs)
Estimated speed loss before launch: 38 km/h (23.6 mph)
Estimated speed loss after launch: 28 km/h (17.4 mph)
Estimated speed loss after drop: 6 km/h (3.7 mph)

150 grade fuel, manifold pressure 81 inch.
150 grade fuel, which allows increased manifold pressure up to 81 inches.

Gyro Gunsight
K-14A Gyro Gunsight
Additional mass: 5.2 kg (11.5 lbs)
Estimated speed loss: 0 km/h

150 grade fuel
150 grade fuel, which allows increased manifold pressure up to 75 inches.

Merlin V-1650-7
Merlin V-1650-7.
Supercharger geared for increased power ratings at low altitudes.