| Type |
Fixed |
| Weight of Complete Round |
HE tracer - 3.0 lbs. (1.36 kg)
HE incendiary - 3.02 lbs. (1.37 kg)
AP tracer - 3.31 lbs. (1.50 kg) |
| Projectile Types and Weights |
HE tracer - 1.40 lbs. (0.635 kg)
HE incendiary - 1.42 lbs. (0.640 kg)
AP tracer - 1.54 lbs. (0.700 kg) |
| Bursting Charge |
HE tracer - N/A
HE incendiary - N/A
AP tracer - N/A (probably solid bullet) |
| Projectile Length |
N/A
HE incendiary, complete round - 14 in
(355 mm) |
| Propellant Charge |
0.386 lbs. (0.175 kg) RPC/38N
Cartridge - 1.0 lbs. (0.51 kg) |
| Muzzle Velocity |
HE tracer - 2,838 fps (865 mps)
HE incendiary - 2,772 fps (845 mps)
AP tracer - 2,674 fps (815 mps) |
| Working Pressure |
18.7 tons/in2 (2,950 kg/cm2) |
| Approximate Barrel Life |
7,000 rounds |
| Ammunition stowage per gun |
2,000 rounds |
| Notes:
1) The sources below differ in many areas
for this weapon. The figures given in this table come mainly from
"Naval Weapons of Word War Two."
2) Minesweeper outfits were half AP tracer
and half HE tracer. Outfits on other ships was intended to be two-thirds
HE incendiary and one-third AP tracer. |
