Vultee BT-13 Valiant vs. Yakovlev Yak-11

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Vultee BT-13 Valiant versus Yakovlev Yak-11
9.0 m 29 ft 6 in length 8.50 m 27 ft 11 in
3.63 m 11 ft 11 in height 3.38 m 11 ft 1 in
12.8 m 42 ft wingspan 9.3 m 30 ft 6 in
1 x Pratt & Whitney R-985-AN-1 radial engine engines 1 x Shvetsov ASh-21 radial engine
Approximately 450 hp thrust per engine Approximately 700 hp
Approximately 450 hp total thrust Approximately 700 hp
5,300 lb 2,404 kg MTOW 2,160 kg 4,762 lb
1,167 km 630 nm range 800 km 432 nm
170 mph 274 km/h cruise speed 315 km/h 196 mph
Instructor pilot and one student 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.