Yakovlev Ya-7 (AIR-7)


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Yakovlev Ya-7 (AIR-7)

Two seat low-wing monoplane built for record speed. Both cockpits covered by long and low transparent canopy. Engine covered by Taunend ring. Aircraft had mixed design: steel tubes and fabric for fuselage, mostly wood and fabric in thin (8%) wing, duralumin and fabric for ailerons and tail surfaces. Fixed landing gear was enclosed into 'pants' fairings. Despite speed was a primary goal, wing was supported by struts and anti-lift steel tapes. Construction started in April 1932.

Aircraft was ready at the end of a Summer 1932. Same year (November 19) speed 325km/h was demonstrated, and on Spring 1933 - 332km/h. Flights continued until 1934, when aileron broke off in flight due to flatter (then almost unknown and not understood). Test-pilot Yu.I.Piontkovskij managed to land on unprepared terrain.

Since AIR-7 fulfilled its goal (to demonstrate high speed), it was not restored.

Yakovlev Ya-7 (AIR-7)

 ENGINE1 x M-22, 355kW
  Take-off weight1400 kg3086 lb
  Empty weight900 kg1984 lb
  Wingspan11.0 m36 ft 1 in
  Length7.8 m26 ft 7 in
  Wing area19.4 m2208.82 sq ft
  Max. speed325 km/h202 mph
  Range1300 km808 miles

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