Type 89 Grenade Discharger
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The Type 89 Grenade Discharger (Jutekidanto) is a Japanese grenade launcher that was widely used in the Pacific during the Second World War. It entered service in 1929, and differs from the Type 10 Grenade Discharger in that it has a rifled barrel. It could also fire the heavier Type 89 grenade which had a greater range and power than the Type 91 grenade. The Type 89 grenade could not be used effectively in the Jungle because its impact fuze might detonate upon hitting the jungle canopy [link]. The mortar can be disassembled into three parts for ease of transport. The Allied forces accidentally translated the name of the grenade launcher as "knee mortar," which resulted in many injuries for Americans who captured them.
Although it could be fired by a single person, it was typically operated with a crew of 3, enabling it to reach a rate of fire of about 25 rounds per minute [link].
Specifications
- Calibre: 50 mm (2in)
- Weight: 4.7 kg
- Length: 610 mm
- Range (Type 89 shells): 120 m to 670 m
- Barrel length: 254 mm (10 in)
- Weight of projectile: 793 g (28 oz)
- Rate of fire: 25 rounds/minute
Ammunition
- Type 89 high explosive grenade fitted with impact fuze.
- Type 91 high explosive grenade fitted with 7 second delay fuze.
- Type 94 practice shell
- Smoke shell weight: 0.9 kg containing 0.11 kg of HC type smoke mixture.
- Incendiary shell weight: 0.57 kg containing 0.32 of incendary material.
See also
References
- Leo J. Daugherty III, Fighting Techniques of a Japanese Infantryman 1941-1945, ISBN 1862271623
- Gordon L Rottman, Japanese Infantryman 1937-45 Sword of the empire, ISBN 1841768189
- [US Army field manual TM-E 30-480 at hyperwar]
- http://www3.plala.or.jp/takihome/
External links
- [Nambu World: Type 89 “Knee Mortar” (Grenade Launcher)]
- [Type 91 grenade at inert-ord.net]
- [Type 89 grenade at inert-ord.net]
- [Colour pictures of the Type 89 and Type 10 at carbinesforcollectors.com]
| Japanese infantry weapons of World War II |
|---|
| Side-arms |
| Type 26 revolver | Nambu Type 1 | Nambu type 14 | Nambu Type 94 |
| Rifles & carbines |
| Type 38 Rifle | Type 99 Rifle |
| Submachine guns |
| Type 100 submachine gun |
| Machine-guns & other larger weapons |
| Type 11 Light Machine Gun | Type 96 Light Machine Gun | Type 97 Light Machine Gun | Type 99 Light Machine Gun Type 92 Heavy Machine Gun | Type 1 Heavy Machine Gun | Type 3 Heavy Machine Gun | Type 4 Heavy Machine Gun Type 100 Flamethrower | Type 10 Grenade Discharger | Type 89 Grenade Discharger | Type 97 20 mm AT Rifle |
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