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The Mitsubishi G7M Taizan (泰山, "Great Mountain") was a proposed twin-engine long-range bomber designed for use by the Imperial Japanese Navy in 1941.

G7M Taizan
Role	Heavy bomber Type of aircraft
Manufacturer	Mitsubishi Aircraft Company
Primary user	Imperial Japanese Navy Air Service (planned)
Produced	0

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

Specifications

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

See also

Aircraft of comparable role, configuration, and era

• Heinkel He 177

References

Further reading

• Collier, Basil. 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.
• 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.

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