Yak-4 Short-range bomber

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
POWER-PLANT Two piston engines M-105
Power, h.p. 2x1.100
DIMENSIONS  
Length, m 10,18
Height, m -
Wing span, m 14,00
Wing area, m2 29,40
WEIGHT  
Maximum take-off, kg -
Normal take-off, kg 5.845
Empty aircraft, kg 4.000
Internal fuel, kg -
Warload, kg up to 400-800
PERFORMANCE  
Maximum speed, km/h 574
Max speed in low height, km/h -
Cruising speed, km/h 545
Range, km 960-1.200
Combat range, km -
Service ceiling, m 9.500-10.000
Rate of climb, m/min 920
Maximum overload, g -
ARMAMENT One 7,62 mm machine-gun ShKAS, up to 400-800 kg bombs.