Piper L-4 Grasshopper vs. Yakovlev Yak-9

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Piper L-4 Grasshopper versus Yakovlev Yak-9
6.86 m 22 ft 5 in length 8.55 m 28 ft 1 in
2.03 m 6 ft 8 in height 3 m 9 ft 10 in
10.72 m 35 ft 2 in wingspan 9.74 m 32 ft
1 x Continental O-170-3 piston engine engines Engines: 1x Klimov VK-107A Piston
Approximately 65 hp thrust per engine 1,650 horsepower
Approximately 65 hp total thrust 1,650 horsepower
1,220 lb 553 kg MTOW 3,098 kg 6,830 lb
306 km 165 nm range 490 nm 908 km
65 mph 105 km/h cruise speed 320 knots 186 mph
Pilot and observer capacity
rotor diameter
rate of climb
Please note that these values are indicative and actual values can vary based on specific engine models and configurations.