Mitsubishi Q2M

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PLAN A version of Q2M.jpg
Role Anti-Submarine Patrol aircraft
National origin Japan
Manufacturer Mitsubishi
Developed from Mitsubishi Ki-67

The Mitsubishi Q2M "Taiyō" design was derived from the Mitsubishi Ki-67-I Hiryū ("Peggy") heavy/torpedo bomber of the Japanese Army (and "Yasukuni" Navy's torpedo bomber version). It was ordered for design and construction in the last stages of war.


Powerful engines of 1,380 kW (1,850 hp) would have been used to drive five-blade propellers; such an aircraft would have been managed by five or six crew. Due to technical troubles and a long development of the theoretical design, this aircraft did not advance from paper plans in last days of conflict.

Specification (Q2M)[edit]

General characteristics

  • Crew: 6
  • Length: 18.75 m (61 ft 6 in)
  • Wingspan: 25 m (82 ft 0 in)
  • Height: 4.75 m (15 ft 7 in)
  • Empty weight: 8,850 kg (19,511 lb)
  • Gross weight: 13,600 kg (29,983 lb)
  • Powerplant: 2 × Mitsubishi Kasei 25 Otsu 14-cylinder air-cooled radial piston engines, 1,030 kW (1,380 hp) each


  • Maximum speed: 490 km/h (304 mph; 265 kn)
  • Range: 2,415 km (1,501 mi; 1,304 nmi)
  • Service ceiling: 3,704 m (12,152 ft)