Accession Number : AD0733883

Title :   Ballistic Tests of Cartridge Caliber .50 APIT, T63.

Descriptive Note : Memorandum rept.,

Corporate Author : BALLISTIC RESEARCH LABS ABERDEEN PROVING GROUND MD

Personal Author(s) : Zaroodny,S. J. ; Sultanoff,M.

Report Date : 21 JUL 1947

Pagination or Media Count : 10

Abstract : The caliber .50 APIT bullet T4E6, assembled into cartridge T63, has a ballistic coefficient of C5 = .3809, a normal stability factor of 2.28, and a time of flight to 600 yards on the ground, when fired at a muzzle velocity of 3200 fps., of .666 seconds. When fired straight forward from aircraft flying 300 mph. at sea level, the time of flight of this bullet to a future range of 600 yards is .70 seconds, closely matching that of caliber .50 T49 and T48 (i.e., M23). (Author)

Descriptors :   (*CARTRIDGES, *EXTERIOR BALLISTICS), FIRING TESTS(ORDNANCE), STABILITY, PROJECTILE TRAJECTORIES

Subject Categories : Ammunition and Explosives
      Ballistics

Distribution Statement : APPROVED FOR PUBLIC RELEASE