Type 1 heavy machine gun
The Type 1 Heavy Machine Gun (一式重機関銃, Iti-shiki juu-kikanjuu) was a heavy machine gun used by the Imperial Japanese Army during the Second World War starting from 1941.
| Type 1 | |
|---|---|
 | |
| Type | Heavy machine gun |
| Place of origin |  Empire of Japan |
| Service history | |
| In service | 1941-1945 |
| Used by | Japan |
| Wars | World War II Chinese Civil War First Indochina War Indonesian National Revolution[1] Vietnam War |
| Production history | |
| Designed | 1941 |
| Produced | 1941 - 1945 |
| Specifications | |
| Mass | 36.8 kg (81 lb) (gun & tripod) |
| Length | 1,077 mm (42 in) |
| Barrel length | 589 mm (23.2 in) |
| Cartridge | 7.7x58mm Arisaka |
| Action | Gas operated |
| Rate of fire | 400-450 round/min |
| Muzzle velocity | 770 m/s (2,500 ft/s) |
| Effective firing range | 1.4 km (0.87 mi) |
| Maximum firing range | 4.1 km (2.5 mi) |
| Feed system | Metal 30-round feed trays |
| Sights | Blade front sight with rear peep sight, graduated from 100 to 2,200 meters, with provision for mounting a telescope. |
Description
It was sometimes used as a light anti-aircraft gun during the war in the Pacific. It is essentially a smaller, lighter version of the 7.7x58mm Type 92 Heavy Machine Gun. It employs the same principles of operation, simply with scaled down components. The barrel is designed to be rapidly changed in the field, as a result the barrel cooling rings have been reduced in size. It was fed from 30-round brass feed strips.
References
- Bloomfield, Lincoln P.; Leiss, Amelia Catherine (30 June 1967). The Control of local conflict : a design study on arms control and limited war in the developing areas (PDF). 3. Massachusetts Institute of Technology. Center for International Studies. p. 92. hdl:2027/uiug.30112064404368.
- TM-E 30-480, Handbook on Japanese Military Forces. United States War Department. 1944.
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