Yak-4 Short-range Bomber. First flight: 1940

 


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TECHNICAL SPECIFICATIONS

DESIGNER OKB Yakovlev
COUNTRY Russia
TYPE Short-range Bomber
CREW 2-3
POWER-PLANT Two reciprocating motor M-103
Power, h.p 2 x 1.100
DIMENSIONS  
Length, m 10,18
Height, m -
Wing span, m 14,00
Wing area, m2 29,40
WEIGHT  
Normal take-off, kg 5.845
Empty aircraft, kg 4.000
Maximum take-off, kg -
Internal fuel, kg -
PERFORMANCE  
Maximum speed, km/h 574
Cruising speed, km/h 545
Max speed in low height, km/h -
Rate of climb, m/min 920
Service ceiling, m 9.500-10.000
Range, km 960-1.200
Combat range, km -
ARMAMENT Two-three 7,62 mm machine-gun ShKAS, up to 400-800 kg bombs.