Ho-155 cannon
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"Ho-155" redirects here. For the isotope of holmium (Ho-155 or 155Ho), see Holmium-155.
The 30 mm Ho-155 cannon was a Japanese aircraft autocannon used during World War II, often mistakenly called with the Ho-105 or Ho-151. A lighter and more compact Ho-155-II was designed towards the end of the war.[2]
Quick Facts Type, Place of origin ...
Ho-155 cannon | |
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Type | Aircraft cannon |
Place of origin | Imperial Japanese army |
Service history | |
Wars | World War II |
Specifications | |
Mass | Ho-155-I: 50 kg (110 lb 4 oz) Ho-155-II: 44 kg (97 lb 0 oz) |
Length | Ho-155-I: 1,750 mm (69 in) Ho-155-II: 1,510 mm (59 in) |
Barrel length | Ho-155-I: 1,140 mm (45 in) Ho-155-II: 980 mm (39 in) |
Cartridge | 30 x 114mm (235 g) |
Calibre | 30 mm (1.2 in)[1] |
Action | Short recoil-operated |
Rate of fire | 450-500 rounds/min |
Muzzle velocity | 715 m/s (2,350 ft/s) |
Effective firing range | 900 m |
Feed system | Belt |
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