Re: WinSP MBT: Das Reich
So I discovered a 1968 article by Richard M. Ogorkiewicz titled "Thoughts on...FUTURE TANK DESIGNS" in ARMOR magazine (the US Armor community's official journal).
It had a simple equation which with some modification by me, proved to be pretty good (eyeball accuracy wise) for predicting protection for weight of a conventional tank:
T = ( E * W ) * A
Where:
T = Horizontal thickness of frontal hull armor in millimeters.
E = Efficiency of hull design.
Tanks with straight sides will have lower E numbers, while tanks with excellent sloping will have higher E numbers.
Rough E#'s:
Tiger I (2)
US WWII (2.75 to 3)
Tiger II (3)
T-54 Hull (4)
T-54 Turret and IS-7 Hull/Turret (5.5)
W = Weight of tank in metric tons.
A = Aspect Correction Factor (1.0 for front, 0.65 for side)
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