The 90 mm T15E1 L/73, with its 21 ft (6.4 m) long barrel, was designed and developed as an AT gun that could match or surpass the performance of the 8.8 cm KwK43 L/71 cannon, the famous long 88 on the Tiger II.

The T15E1 gun was 73 calibers in length and had a much longer high-capacity chamber giving it a muzzle velocity of 3,750 ft/s (1,140 m/s) with the T30E16 APCR shot. This allowed it to penetrate up to 330mm of armor and could penetrate the …

The 90 mm T15E1 is an American tank cannon. It is used solely in the T26E1-1 . An attempt by the US to improve the firepower of the 90 mm M3 gun on the M26 Pershing, the T15E1 introduces a more powerful 90 mm charge with a corresponding longer barrel for the velocity, but has the drawback of a longer reloading time due to the large ammunition ...

2018年5月26日 · After trials of the T15 on a towed carriage, the Watervliet Arsenal received an order for the construction of two prototypes of an improved version, indexed T15E1. The gun received a counterweight and a spring balancing mechanism to deal with the added weight. The T15E1 gun showed excellent results.

The Super Pershing (aka T26E4-1) was equipped with a new long-barreled T15E1 90mm gun that was designed to out-perform the German high-velocity 88mm on the King Tiger. In testing, this new U.S. gun had successfully penetrated 8.5 inches of armor at 1,000 yards at 30 degrees.

2016年12月8日 · The T15E1 Tank Gun was designed to be America’s answer to the deadly 88 mm (3.46 in) KwK 43 wielded by Tiger II. In January 1945, this gun was mounted on a T26E1, causing the vehicle to be redesignated as the T26E4 Pilot Prototype No.1.

2013年5月12日 · One of the XA-38s reportedly went to Davis-Monthan AFB, Arizona, but its ultimate fate is not recorded. The other aircraft was believed to be scrapped. The only remnant of the XA-38 Grizzly is the T15E1 cannon on display at the United States Air Force Armament Museum in Eglin AFB, Florida.

2024年8月27日 · This tank was armed with the 90mm gun T15E1 using one-piece ammunition, and the equilibrator springs were external to the turret as opposed to production T26E4s, which used hydropneumatic equilibrators inside the turret.

一门新式的T15E1被安装到了1号T26E1上。而T15E1的火力无疑是可怕的。T15E1将T33的初速从M3的2800fps提升到了3200fps，将T30E16的初速提升到了3750fps。高初速使这两种强大的弹药如虎添翼。我发一张图，大家便可明白。

2001年1月1日 · There was also an experimental higher-velocity 90mm gun the T15E1 "needle gun" which was mounted in one (?) T26E1-1 tank. It was an L/73 monster that required mounting equilibrators outside the turret to balance it.