TheMitsubishi G7MTaizan (泰山,Great Mountain) was a proposed twin-engine long-rangebomber designed for use by theImperial Japanese Navy in 1941.

The G7M was cancelled at the wooden mockup phase without ever reaching the hardware phase.^[1]

Data from Japanese Secret Projects : Experimental Aircraft of the IJA and IJN 1939-1945.,^[1] Plane-Encyclopedia: Mitsubishi G7M “Taizan”^[2]

General characteristics

• Crew: 7
• Length: 20 m (65 ft 7 in)
• Wingspan: 25 m (82 ft 0 in)
• Height: 6.09 m (20 ft 0 in)
• Empty weight: 10,600 kg (23,369 lb)
• Gross weight: 16,000 kg (35,274 lb)
• Fuel capacity: 4,497 L (1,188 US gal; 989 imp gal)
• Powerplant: 2 ×Mitsubishi MK10A 18-cylinder air-cooled radial piston engines, 1,500 kW (2,000 hp) each for take-off
  

1,350 kW (1,810 hp) at 2,200 m (7,200 ft)

1,280 kW (1,720 hp) at 5,400 m (17,700 ft)

• Propellers: 4-bladed constant-speed propeller, 4.5 m (14 ft 9 in) diameter

Performance

• Maximum speed: 544 km/h (338 mph, 294 kn) at 5,000 m (16,000 ft)
• Range: 2,799 km (1,739 mi, 1,511 nmi)
• Combat range: 6,412 km (3,984 mi, 3,462 nmi)
• Ferry range: 7,400 km (4,600 mi, 4,000 nmi)
• Service ceiling: 5,000 m (16,000 ft)
• Time to altitude: 10,000 m (33,000 ft) in 10 minutes
• Power/mass: 5.4 kg/kW (8.8 lb/hp)

Armament

• Guns:
  

6x 13 mm (0.512 in)Type 2 machine guns

2x 20 mm (0.787 in)Type 99 Mark 2 machine gun (classified as machine guns by the IJN)

• Bombs: up to 800 kg (1,800 lb) of bombs

Aircraft of comparable role, configuration, and era

• Heinkel He 177

• Collier, Basil (1979).Japanese aircraft of World War II (1st American ed.). Mayflower Books.ISBN 0-8317-5137-1.
• Francillon, René J., Ph.D (1979).Japanese aircraft of the Pacific War (2 ed.). Putnam.ISBN 0-370-30251-6.{{cite book}}: CS1 maint: multiple names: authors list (link)
• Thorpe, Donald W. (1977).Japanese Naval Air Force camouflage and markings, World War II (hardback ed.). Fallbrook CA: Aero Publishers.ISBN 0-8168-6583-3.
• Thorpe, Donald W. (1977).Japanese Naval Air Force camouflage and markings, World War II (paperback ed.). Fallbrook CA: Aero Publishers.ISBN 0-8168-6587-6.

• Mitsubishi aircraft
• 1940s Japanese bomber aircraft
• Mid-wing aircraft
• Twin piston-engined tractor aircraft

• Articles containing Japanese-language text
• CS1 maint: multiple names: authors list