I was investigating the Super Pershing myself today and there are some fairly consistent penetration values for the 90mm T15E1 L73 gun, but the value seem to be a bit fantastic. Perhaps people could comment a bit?
330mm @ 30 degree angle @ 100 yds
240mm @ 30 degree angle @ 1000 yds
Panther Hull @ 2600 yds
Quote:
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The 90mm L73 T15E1 gun was an attempt to provide the same kind of performance as the German 8.8cm PAK 43 anti-tank gun. Like the German gun in addition to the longer barrel the gun fired ammunition with a larger propelling charge. Muzzle velocity firing the T30E16 projectile increased from 3,350fps to 3,750 and T33 from 2,800fps to 3,200fps, increasing the range at which a Panther hull front could be penetrated to 2,600 yards! Originally the T15 used one-piece ammunition but at 50-inches long it was too bulky to handle in a tank turret so a redesign was undertaken to employ 2-piece seperately loaded rounds, which became the T15E2 to be mounted on the Heavy Tank T26E4. Even with 2-piece ammunition the cartridge case extended past the turret ring during loading which could cause problems at anything other than level elevation.
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http://answers.yahoo.com/question/in...8013116AAroXQM
http://www.3ad.com/history/news/super.pershing.1.htm