Piper L-4 Grasshopper vs. Yakovlev Yak-18

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Piper L-4 Grasshopper versus Yakovlev Yak-18
6.86 m 22 ft 5 in length 8.72 m 28 ft 7 in
2.03 m 6 ft 8 in height 2.4 m 7 ft 10 in
10.72 m 35 ft 2 in wingspan 10.16 m 33 ft 4 in
1 x Continental O-170-3 piston engine engines 1 x Ivchenko AI-14RF radial engine
Approximately 65 hp thrust per engine Approximately 300 hp
Approximately 65 hp total thrust Approximately 300 hp
1,220 lb 553 kg MTOW 1,250 kg 2,756 lb
306 km 165 nm range 950 km 513 nm
65 mph 105 km/h cruise speed 230 km/h 143 mph
Pilot and observer capacity Pilot and one passenger
rotor diameter
rate of climb
Please note that these values are indicative and actual values can vary based on specific engine models and configurations.