Tony Williams wrote: ↑
05 Oct 2018 04:58
If you look at the picture of German and British tank ammo below, you can see that the 8,8 cm L/56 (88 x 571R) round, while being slightly longer overall than the 7,5 cm L/70 (75 x 640R), is actually more slender. No reason why an 88 mm gun would be any heavier or more difficult to mount in a turret than the 75 mm, given guns designed to the same standards.
The 88 mm would have made a better general-purpose tank gun, with much better HE performance and adequate AP, but not quite so good for an AT gun or tank destroyer which is only concerned with punching holes in armour.
You are comparing an AP with HE. A better comparison is to imagine the 75X495 HE projectile on the Panther cartridge. In which case it would be longer than the 88mm. Both weigh about the same I believe as far as the full cartridge. The 88mm cartridge might actually be a bit nose heavy.
I would not say the guns are designed to the same standards. Mostly due to penetration and accuracy differences. Also, most German AFV designed later in the war had high explosive rounds that were of a lower velocity than the AP round. This saves on wear and tear of the barrel and recoil mechanisms.
I don't see how a 88mm is a better general purpose tank
gun. The Germans really had a general purpose KWK/StuG/Pak39 ammunition
for the Panzer IV, StuGs, Jagspanzer IV, and Hetzer. The only 88mm application in a tank might be the Panther, and that would be a loss of performance. In fact, the 7,5 cm L70 was being considered as a replacement for the Tiger I 8,8 cm but it would have upset the already low production numbers.