Cessna O-1 Bird Dog vs. Grumman S-2 Tracker

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Cessna O-1 Bird Dog versus Grumman S-2 Tracker
7.85 m 25 ft 9 in length 12.8 m 42 ft 0 in
2.22 m 7 ft 3 in height 5.16 m 16 ft 11 in
10.97 m 36 ft wingspan 21.21 m 69 ft 7 in
1 × Continental O-470-11 flat six piston engines 2 x Wright R-1820-82WA Cyclone radial engines
213 hp (159 kW) thrust per engine Approximately 1,525 hp each
213 hp (159 kW) total thrust Approximately 3,050 hp total
2,400 lb 1,089 kg MTOW 26,147 lb 11,866 kg
852 km 460 nm range 1,915 km 1,034 nm
104 mph 167 km/h cruise speed 200 mph 322 km/h
2 capacity Pilot, co-pilot, and two sensor operators or crew members
rotor diameter
rate of climb
Please note that these values are indicative and actual values can vary based on specific engine models and configurations.