Tupolev TU-155 vs. Kaman K-MAX

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Tupolev TU-155 versus Kaman K-MAX
47.63 m 156 ft 3 in length 15.85 m 52.0 ft
16.4 m 53 ft 10 in height 4.10 m 13.5 ft
64.9 m 212 ft 11 in wingspan
4 × Kuznetsov NK-321 turbofans engines 1 x Honeywell T53-17 turboshaft engines
304.5 kN (68,500 lbf) thrust per engine 1,600 hp
1,218 kN (274,000 lbf) total thrust 1,600 hp
640,000 kg 1,411,000 lb MTOW 2,721 kg 6,000 lb
7,000 km 3,780 nm range 370 km 200 nm
850 km/h 528 mph cruise speed 185 km/h 115 mph
350 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.