Technical data
Type Yak-25
Function Fighter
Year 1947
Crew 1
Engines 1*1590kg RD-500
Length 8.66m
Wingspan 8.88m
Wing area 14.0m2
Empty weight 2285kg
Loaded weight 3185kg 3535kg
Wing Load (kg/m2) 227.5kg/m2 252.5
Thrust
to
Weight
2.0/2.2
Speed at 0m 982km/h
Speed at altitude 953km/h
Landing Speed 175km/h
Landing Roll 825m sec
Takeoff Roll 510m sec
Turn time ?sec
Range 1100km 1600km
Ceiling 14000m
Climb
at 0m 37m/sec
5000m 2.5min
10000m 6.3min
Payload
Fuel+Oil 700/1025+12kg
Armament
Guns 3*23mm NR-23 75rounds/gun

Yak-25, A.S.Yakovlev

44k b/w "History of aircraft construction in the USSR", Vol.2 p.326

Single-seat jet fighter, a derivative of the Yak-19. It also had a straight laminar-flow wing, but the airfoil was different, with a thickness of 9% instead of 12%. The tail surfaces were swept back (49° all).

Pressurized cockpit with bulletproof 57mm windshield. Ejectable seat with 8mm back armor.

Automatic airbrakes (under the tailfin) deployed automatically at critical speed.

Yak-25 was flight trials started on October 31, 1947 and continued until July 3, 1948. Test pilot - S.N.Anokhin. Fighter had pleasant handling and good maneuverability. Abandoned in favor of MiG-15 which had more advanced layout and more powerful engine.

Two were built, designation later used for the Yak-25 'Flashlight';

PredecessorsModifications

Yak-19

Yak-30

ReferencesLinks
  • "History of aircraft construction in the USSR", Vol.2 p.325-327;
  • ...

  • Created December 11, 1996
    Modified November 20, 1998
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