de Havilland Canada DHC-6 Twin Otter vs. Kaman K-MAX

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de Havilland Canada DHC-6 Twin Otter versus Kaman K-MAX
15.32 m 50 ft 3 in length 15.85 m 52.0 ft
5.94 m 19 ft 6 in height 4.10 m 13.5 ft
19.81 m 65 ft wingspan
2 x Pratt & Whitney Canada PT6A-27 turboprop engines engines 1 x Honeywell T53-17 turboshaft engines
550 to 750 shaft horsepower (410 to 560 kW) thrust per engine 1,600 hp
1100 to 1500 shaft horsepower total thrust 1,600 hp
5,670 kg 12,500 lb MTOW 2,721 kg 6,000 lb
1,389 km 750 nm range 370 km 200 nm
280 km/h 174 mph cruise speed 185 km/h 115 mph
19 passengers capacity 4.1
rotor diameter 13.2 m 43 ft 4 in
rate of climb 6.7 m/s 1,318 ft/min
Please note that these values are indicative and actual values can vary based on specific engine models and configurations.