Commonwealth CA-1 Wirraway vs. Beechcraft Model 18

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Commonwealth CA-1 Wirraway versus Beechcraft Model 18
8.51 m 27 ft 11 in length 10.97 m 36 ft 0 in
2.92 m 9 ft 7 in height 2.74 m 9 ft
13.11 m 43 ft wingspan 14.53 m 47 ft 8 in
1 x Pratt & Whitney R-1340-S3H1-G Wasp radial engine engines 2 x Pratt & Whitney R-985-AN-1 radial engines
Approximately 600 hp thrust per engine Approximately 450 hp per engine
Approximately 600 hp total thrust Approximately 900 hp total
6,350 lb 2,879 kg MTOW 5,670 kg 12,500 lb
1,207 km 652 nm range 1,600 km 864 nm
170 mph 274 km/h cruise speed 322 km/h 200 mph
Pilot and observer capacity Up to 11 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.