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Yak-9M

Fighter

Yakovlev

The Yak-9M from 21 Fighter Wing of Air Force KBF, on which in October, 1944 flied lieutenant N.D.Serykh. © Michael Bykov

The Yak-9M from 21 Fighter Wing of Air Force KBF, on which in October, 1944 flied lieutenant N.D.Serykh.

The first Yak-9M was tested by the Air Force Research Institute between 17.12.44 and 27.12.44. However production actually began 10 months earlier. Serial led from #25-01, fighters were produced by Plant #153 as the Yak-9M. The aircraft featured VK-105PF2 engine VISh-105SV-01 propeller and the cockpit moved 400mm rear wards. The flight performance and the armament were equal to the Yak-9D. The new fighter differed from its predecessor i.i having a jettisonable canopy, automatic water temperature control unit and pneumatic rather than mechanical armament control. Wing durability characteristics had met the requirements at last. A total of 4239 airplanes was produced from May 1944 to June 1945.

The Yak-9PVO was the Yak-9M air defence version. The Yak-9PVO was fitted with better instrument equipment. Furthermore the aircraft lost armour and a half its fuel and oil capacities. Serial fighters were divided between the Air Defence Force and Red Army Air Force.

Yak-9 Modifications
Yak-9 Yak-9T Yak-9D Yak-9P Yak-9M Yak-9U Yak-9P
Year of issue 1942 1943 1943 1944 1944 1944 1947
Dimensions
Length, m 8.5 8.66 8.5 8.5 8.5 8.55 8.55
Wing span, m 9.74 9.74 9.74 9.74 9.74 9.74 9.74
Wing area, m² 17.15 17.15 17.15 17.15 17.15 17.15 17.15
Wing loading, kg/m² 167 176 182 196 181 187 207
Weight, kg:
Empty weight 2277 2298 2350 2382 2428 2512 2708
Maximum takeoff weight 2873 3025 3117 3356 3096 3204 3550
Powerplant
Engine M-105PF M-105PF M-105PF VK-105PF VK-105PF VK-107A VK-107A
Power, hp 1180 1180 1180 1180 1180 1500 1500
Power loading, kg/hp 2.43 2.56 2.64 2.84 2.62 2.14 2.37
Performance
Maximum speed, km/h at sea level 520 533 535 507 518 575 590
at altitude 599 597 591 562 573 572 550
m 4300 3250 3650 3750 3750 5000 5000
Time to 5000 m, min 5.1 5.5 6.1 6.5 6.1 5.0 5.8
Time of turn, sec 15-17 18-19 20 25-26 19-20 20 21
Service ceiling, m 11100 10000 9100 8600 9500 10650 10500
Service range, km 875 735 1360 880 950 675 1130
Armament
Cannon, 20-mm 1 1 1 1 1 1 5
Machine guns, 12.7-mm 1 1 1 1 1 2 -

References

  • "Yak-9: Private soldiers of heavens" /Dmitriy Leipnik/
  • "The history of designs of planes in USSR 1938-1950" /Vadim Shavrov/
  • "Planes of Stalin falcons" /Konstantin Kosminkov and Dmitriy Grinyuk/
  • "Stories of the aircraft designer" /Alexander Yakovlev/
  • "The Soviet planes" /Alexander Yakovlev/

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