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Yakolev Ya-27 / Yak-7

yak-7


In parallel with the I-26 (or Ya-26), the Yakolev design bureau developed a two-seat version under the designation Yakolev Ya-27. One pre-production I-26 was completed to this configuration. It was intended to serve not only as a dual-control fighter trainer, but also as a liaison and unit support aircraft. Compared with the I-26, the Ya-27 was simplified and of reduced weight, the tandem cockpits being enclosed by an extended glazed canopy. The resulting Yak-7 aircraft entered production in May 1941 and was soon found to have better flying qualities than those displayed by series Yak-1s. This performance, combined with the urgent need for more fighters, led to production of a single-seat version of which the first was flown in June 1941; in the following month the fighter was officially designated Yak-7A and the two-seater Yak-7V. By the end of 1941 a new single-seater, the Yak-7B, had replaced the Yak-7A . Total delivery of all versions of the Yak-7 was 6,399 aircraft, production terminating in early 1943; of this number, some 1,500 were Yakolev Yak-7Vs.

Engine: 1 x VK-105PF, 870kW
Max take-off weight: 3050 kg / 6724 lb
Empty weight: 2330 kg / 5137 lb
Wingspan: 10.0 m / 33 ft 10 in
Length: 8.5 m / 28 ft 11 in
Height: 1.7 m / 6 ft 7 in
Wing area: 17.2 sq.m / 185.14 sq ft
Max. speed: 520 km/h / 323 mph
Ceiling: 10000 m / 32800 ft
Range: 600 km / 373 miles
Armament: 1 x 20mm machine-guns, 2 x 12.7mm machine-guns
Crew: 1

yak-7-ld
Yakolev Yak-7



 

 


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