The Pacific War Online Encyclopedia
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| Ammunition |
30 x 115 HE |
| Projectile
weight |
8.3 ounce 235 g |
| Velocity | 2350 feet per second 716 meters per second |
| Range | 2950 feet 900 meters |
| Rate of
fire |
450 rounds per minute |
| Gun weight |
110 lbs 50 kg |
| Gun power |
140 |
The Ho-155 cannon (sometimes mistakenly described as the Ho-105 or
Ho-151) was used in very limited quantities on the Ki-84 "Frank" and Ki-102 "Randy." It was
based on the Browning short-recoil action fed from a disintegrating belt but had significant quality
problems. The Ho-155 II was a lightweight version for more confined
spaces, such as wings. Both had somewhat low muzzle velocity to keep
the weight reasonable.
Only the Ho-155 II is thought to have seen any
combat during the war. Had the
war continued longer, the Ho-155 would likely have seen widespread use,
though it would have been extremely difficult to synchronize as a nose
gun.
References
J-Aircraft.com (accessed 2010-2-15)
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