Japanese Naval Ordnance

13mm/76 caliber

(Scanned from Skulski, "Heavy Cruiser Takao")

Light AA weapon. Also a Hotchkiss design, and suffering from many of the same inadequacies as its larger 25mm cousin, as well as a very heavy, unwieldy free-swinging single mount.

Bore13.2 mm
Weight92.2 lbs.
Length OA55.5 inches
Weight Projectile1.57-1.83 oz.
Muzzle Velocity2641 ft/s
Max. Elevation+85/-15 degrees
Max. Range6,560 yards
13,060 ft. max. ceiling.
Rate of Fire425-475/min