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Yakovlev Yak-7The Yakovlev Yak-7 (Also known as UTI-26) was a Soviet military trainer aircraft, developed as a trainer version of the Yak-1. Developed in 1942, a second cockpit was added behind the original one, and the wing span was increased. It was found that the extra space for the second cockpit could be used for fuel or armament too, and that the performance of the Yak-7 almost equalled that of the Yak-1. Thus the Yak-7 was again developed to a close support fighter. The two-seat version was also used in combat, for reconaissance missions. A total of 6,399 were built. Variants - Yak-7B
- Yak-7U Mark
- Yak-7PVRD - experimental - had DM-4 pulse jet.
- Yak-7DI - direct predecessor of Yak-9.
- Yak-7 M-82
- Yak-7R - Jet project with one liquid fuel jet and two ramjets. 1942.
- Yak-7R - purported jet version of Yak-7 with Jumo 004 engine. Said to have been built in Tblilisi to fly over Red Square at the parade in 1947.
- Yak-7R - Yak-3 with Jumo 004 turbojet. Development started not later than 1945. First flown in 1946?
Specifications (Yak-7) General Characteristics - Crew: one, pilot
- Length: 8.50 m (27 ft 11 in)
- Wingspan: 10.00 m (32 ft 10 in)
- Height: 2.75 m (9 ft 0 in)
- Wing area: 17.2 m² (185 ft²)
- Empty: 2,477 kg (5,449 lb)
- Loaded: 2,960 kg (6,512 lb)
- Maximum takeoff: kg ( lb)
- Powerplant: 1x Klimov M-105P, 783 kW (1,050 hp)
Performance - Maximum speed: 560 km/h (350 mph)
- Range: 643 km (401 miles)
- Service ceiling: 9,250 m (30,340 ft)
- Rate of climb: 735 m/min (2,411 ft/min)
- Wing loading: 172.6 kg/m² (35 lb/ft²)
- Power/Mass: 0.26 kW/kg (0.16 hp/lb)
Armament External links http://www.aviation.ru/Yak/#7 Related content Related development: Yak-1 - Yak-3 - Yak-9 Comparable aircraft: Designation sequence: Yak-4 - Yak-5 - Yak-6 - Yak-7 - Yak-8 - Yak-9 - Yak-10
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