Grumman S-2 Tracker vs. Lockheed Model 18 Lodestar

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Grumman S-2 Tracker versus Lockheed Model 18 Lodestar
12.8 m 42 ft 0 in length 13.61 m 44 ft 8 in
5.16 m 16 ft 11 in height 3.63 m 11 ft 11 in
21.21 m 69 ft 7 in wingspan 19.96 m 65 ft 6 in
2 x Wright R-1820-82WA Cyclone radial engines engines 2 x Wright R-1820 Cyclone radial engines
Approximately 1,525 hp each thrust per engine 1,200 to 1,350 horsepower (895 to 1,007 kW)
Approximately 3,050 hp total total thrust 2,400 to 2,700 horsepower
26,147 lb 11,866 kg MTOW 9,979 kg 22,000 lb
1,915 km 1,034 nm range 2,500 km 1,350 nm
200 mph 322 km/h cruise speed 300 km/h 186 mph
Pilot, co-pilot, and two sensor operators or crew members capacity 14 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.