HEAT-T cartridge M66 is a chemical energy armor defeat cartridge. This cartridge is fixed, with cartridge case M5A1 crimped to the projectile. The cartridge case is loaded with loose M2 propellant and fitted with percussion primer M23A2.

The 75mm pack howitzer M1 (redesignated the M116 in 1962) was a pack howitzer artillery piece used by the United States. Designed to be moved across difficult terrain, gun and carriage could be broken down into several pieces to be carried by pack animals.

The 75mm M66 HEAT round was a critical component of the U.S. military’s anti-tank arsenal during World War II and the early Cold War period. Developed for use with the versatile 75mm Pack Howitzer M1, M1A1, and later the M116, this round was …

Aug 15, 2022 · The M66 HEAT shell would have given the T18 HMC a fighting chance in an engagement with enemy armor. However, with a velocity of just 1,000 ft/s (305 m/s), this shell would have been quite hard to aim at any targets beyond close range.

Dec 11, 2012 · Many months ago, I read an online account of a British tank crew in NWE who test-fired 75mm howitzer M66 HEAT ammo successfully in a Sherman. This might have some interesting implications, since the M66 round in question reportedly had better penetration (91mm or something like that) than standard M3 75mm gun AP.

Sep 18, 2005 · I guess that special ammo would be the M66 HEAT round and the M64 chemical round (smoke, white phosphorus, gas). Other than that it carried the standard M48 HE, M61 AP, and M89 smoke. The M4, A2, A3, A4 all could carry 97 main gun rounds.

Shell parameter names are: M48 shell, M66, M64: Penetration statistics Ammunition Type of warhead Penetration @ 0° Angle of Attack (mm) 10 m 100 m 500 m 1,000 m 1,500 m 2,000 m M48 shell : HE : 10 : 10 ... M66 : HEAT : 304 : 6.02 : 0.05 : 0.1 : 548.13 : 62° 69° 73° Smoke shell characteristics Ammunition Velocity (m/s) Projectile mass (kg ...

HEAT shell is equally useful against soft-skinned and lightly-armoured vehicles; Curved shell trajectory allows to hit enemy vehicles in places that can't be reached by traditional guns; Has access to smoke shells; Cons: Long reload time; Curved shell trajectory takes time to get used to; The howitzer is less effective in uptiers; History

The US 75mm pack howitzer had a HEAT round, M66, with a rated armor penetration of 'approx 3.5 inch'. These were around in the campaign in NWE. One was test fired against a captured Panther in the oft quoted tests of July 1944 by the 1st Army, and the wording of the test report strongly suggests it was fired from an M4 tank's M3 gun in that ...

Jul 8, 2014 · County EOD confirms it's an M66 HEAT round from the M116 Howitzer. Although it's missing the nose cone, it still has its detonator and explosives inside. They're en-route right now to pick it up for demolition.