Piper L-4 Grasshopper vs. Douglas DC-7

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Piper L-4 Grasshopper versus Douglas DC-7
6.86 m 22 ft 5 in length 34.00 m 111 ft 6 in
2.03 m 6 ft 8 in height 8.38 m 27 ft 6 in
10.72 m 35 ft 2 in wingspan 35.8 m 117 ft 5 in
1 x Continental O-170-3 piston engine engines 4 x Wright R-3350 Duplex-Cyclone radial engines
Approximately 65 hp thrust per engine Approximately 3,400 hp per engine
Approximately 65 hp total thrust Approximately 13,600 hp total
1,220 lb 553 kg MTOW 90,718 kg 200,000 lb
306 km 165 nm range 6,250 km 3,375 nm
65 mph 105 km/h cruise speed 507 km/h 315 mph
Pilot and observer capacity Up to 105 passengers
rotor diameter
rate of climb
Please note that these values are indicative and actual values can vary based on specific engine models and configurations.