Tempest Mk.V ser.2 / IL-2 Sturmovik: Great Battles
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Fighter
Tempest Mk.V ser.2
History
Specifications

The Hawker Tempest V aircraft was a further modification of the Typhoon fighter with improved flight characteristics. The Typhoon was designed as a fighter-interceptor, so the emphasis was on speed and climb rate, with maneuverability as a secondary factor. Its wing profile was very thick to accommodate the weapons mounted there and the large retractable landing gear wheels. In an effort to increase the speed of the aircraft, the designers proposed to replace the wing with a new thin one, like that of the Spitfire. In addition to the wing, many other changes were made to the design, which is why the aircraft received a new name. At the same time, variants with different engines were developed, and the Mk.V variant with the Sabre II engine was initially considered as a backup, but it was this variant that was the first to be brought to flight condition and flew for the first time on September 2, 1942.

The Tempest Mk.V was a metal low-wing monoplane with a twin-strut landing gear and tailwheel. The fuselage consisted of three parts: a forward truss structure integral with the landing gear frame, a semi-monocoque tailplane, and a tailplane with keel and stabilizer attachment points. The teardrop-shaped cockpit canopy provided good visibility. The sliding part of the canopy was made of one piece of transparent plastic and could be jettisoned in case of an emergency, and the windscreen had front and side panels made of armored glass. The tail unit was designed with a fork to improve directional stability.

The Napier Sabre IIA engine developed almost 2200 hp at takeoff and 1735 hp at 5200 m altitude.

The armament consisted of four 20 mm cannons located in the wings: in the second series, their barrels were shortened and did not protrude beyond the wings. Two bombs weighing from 250 to 100 lb or external fuel tanks could be hung under the wings.

The high speed of the Mk.V allowed it to intercept German V-1 flying bombs. Squadrons armed with Tempests shot down some 638 V-1s. By the end of the war, the Tempests had just begun to show their capabilities — at the front, they were used as multi-purpose aircraft: escorting bombers, bombing and strafing ground targets (mainly trains, small river and sea vessels), blockading airfields, and also taking part in raids to gain air superiority. Tempest pilots shot down 11 Me 262 jet fighters.

Used sources:

K. G. Munson "British Aircraft of World War II" 1962

V. Kotelnikov "Fighter "Tempest" magazine "Aviation and Cosmonautics" No. 1 2008

Materials from the site airwar.ru

Indicated stall speed in flight configuration: 150...174 km/h
Indicated stall speed in takeoff/landing configuration: 128...149 km/h
 
Dive speed limit: 870 km/h
Maximum load factor: 12.0 G
Stall angle of attack in flight configuration: 17.5 °
Stall angle of attack in landing configuration: 13.7 °
 
Maximum true air speed at sea level, 3700 RPM, boost +9: 600 km/h
Maximum true air speed at 1950 m, 3700 RPM, boost +9: 664 km/h
Maximum true air speed at 5640 m, 3700 RPM, boost +9: 703 km/h
 
Service ceiling: 10800 m
Climb rate at sea level: 21.0 m/s
Climb rate at 3000 m: 15.1 m/s
Climb rate at 6000 m: 12.1 m/s
 
Maximum performance turn at sea level: 20.0 s, at 270 km/h IAS.
Maximum performance turn at 3000 m: 27.8 s, at 270 km/h IAS.
 
Flight endurance at 3000 m: 3 h 18 m, at 350 km/h IAS.
 
Takeoff speed: 150...170 km/h
Glideslope speed: 170...200 km/h
Landing speed: 150..155 km/h
Landing angle: 11.6 °
 
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.
Note 4: climb rates and turn times are given for 3700 RPM and boost +9.
 
Engine:
Model: Napier Sabre IIA
Maximum power in Combat mode (3700 RPM, boost +9, low gear) at sea level: 2180 HP
Maximum power in Combat mode (3700 RPM, boost +9, high gear) at 11500 feet: 1830 HP
 
Engine modes:
Max Cruising power (unlimited time): 3150 RPM, boost +4.5
Climb power (up to 1 hour): 3700 RPM, boost +7
Combat power (up to 5 minutes): 3700 RPM, boost +9
 
Water rated temperature in engine output: 65..125 °C
Water maximum temperature in engine output: 130 °C
Oil rated temperature in engine intake: 60..90 °C
Oil maximum temperature in engine intake: 95 °C
 
Supercharger gear shift altitude: 9500 feet
 
Empty weight: 4354 kg
Minimum weight (no ammo, 10% fuel): 4585 kg
Standard weight: 5221 kg
Maximum takeoff weight: 6190 kg
Fuel load: 516 kg / 718 l / 158 gallons
Maximum useful load: 1836 kg
 
Forward-firing armament:
4 x 20mm gun "Hispano Mk.V", 150 rounds per gun, 650 rounds per minute, wing-mounted
 
Bombs:
2 x 500 lb general purpose bomb "500 lb. M.C."
2 x 1000 lb general purpose bomb "1000 lb. M.C."
 
Length: 10.26 m
Wingspan: 12.50 m
Wing surface: 27.81 m²
 
Combat debut: May 1944
 
Operation features:
- The engine is equipped with the two-stage mechanical supercharger which should be manually switched at 9500ft altitude.
- The engine mixture control is automatic when the mixture lever is set to NORMAL (1/2) position. It should be set to START (forward, throttle lever movement will be limited by 1/10) position when starting the engine and to CUT-OUT position (back) to stop it.
- The engine has an automatic RPM governor that controls the propeller pitch to maintain the required RPM. 
- Water and oil temperatures are controlled manually by adjusting the radiator shutters.
- The aircraft has pitch and yaw flight-control trimmers.
- Landing flaps have hydraulic actuators and can be extended to any angle up to 80°. The speed with the extended flaps is limited to 160 mph.
- The airplane tailwheel rotates freely and does not have a lock.
- The pneumatic brakes are differential: moving the pedals with brakes pressed results in releasing the brake opposite to the pressed pedal.
- The landing gear indicator lamp lights up if the throttle is set to low (less than 1/3) position with the landing gear retracted.
- It is impossible to open the canopy at high speeds because of the ram air, but there is an emergency jettison handle for bailing out.
- The aircraft is equipped with bottom formation lights.
- The range-finding gunsight reticle can be adjusted for a given target base and range.
 
Basic data and recommended positions of the aircraft controls:
1. Starting the engine:
- recommended position of the mixture control lever: Start
- recommended position of the radiator control handle: close
- recommended position of the prop pitch control handle: 100%
- recommended position of the throttle lever: 10%
 
2. Recommended mixture control lever positions for various flight modes: Normal (auto mixture control)
 
3. Recommended positions of the radiator control handle for various flight modes:
- takeoff: open
- climb: open
- cruise flight: close
- combat: open
 
4. Approximate fuel consumption at 2000 m altitude:
- Cruise engine mode: 8.9 l/min
- Combat engine mode: 14.2 l/min
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