Mitsubishi G4M Betty




Mitsubishi G4M Betty

Mitsubishi G4M Betty

Specifications

Primary Function:
Crew:
Engines:
Power:
Weight Empty:
Max. Weight:
Cannons:
Machine Guns:
Ordnance:
Length:
Wingspan:
Max. Speed:
Initial Climb:
Ceiling:
Range:
First Flight:
Year Deployed:
bomber
seven
Mitsubishi MK4T
2- 1,825 hp. ea.
18,380 lbs.
27,500 lbs.
4- 20 mm
2- 7.7 mm
2,200 lbs.
64 ft.
82 ft.
292 mph
1,380 fpm
30,350 feet
2,700 miles
10/23/39
1941



The Mitsubishi G4M Betty was the main Japanese bomber of World War II. It was designed to have a 2,000 mile range while fully loaded with ordnance. To do that, designers lightened the aircraft by omitting armor that would have protected the crew and vital aircraft parts. In addition, the fuel tanks were not self sealing. This made the Betty bombers easy prey for fighter aircraft.

Mitsubishi G4M Betty prototypes first flew in late 1939. The aircraft had few faults which needed correcting and full scale production began in late 1940. By mid 1941 the bombers were being deployed to front line units.

The aircraft received more powerful and reliable engines, better streamlining, and larger tailplanes with successive models. They were able to fly faster and at higher altitudes.

In early 1943 some Mitsubishi G4M Betty aircraft were adapted as torpedo bombers. They had some success, sinking the cruiser Chicago and scoring hits on the aircraft carrier Intrepid.

In 1944, Betty bombers were finally fitted with armour and self sealing fuel tanks. However, by that time production had slowed, and only sixty updated aircraft were produced before the war ended.

In the last days of the war, Betty bombers were adapted to carry the MXY-7 Ohka kamikaze manned rocket. Due to the weight and drag from the rocket slung under their bellies, they made easy targets for intercepting fighters.

A total of over 2,400 Mitsubishi G4M Betty aircraft were produced before the end of the war.




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