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German Gun Target Hardness

Definition of Penetration Number of firings that
must achieve Penetration
Target Armour Plate
Type Thickness (mm) Hardness (BHN)
Projectile completely through Half or
Two-thirds [1]
RHA 5 to 15 435–465
16 to 30 338–382
31 to 50 323–368
51 to 80 309–338
81 to 120 279–309
121 to 150 235–265
151 to 275 206–235

Copyright © 1999 David Michael Honner. For sources see footnote [2].

Footnotes

1. Jentz states that two-thirds of the firings must penetrate the target armour plate, but Robert Livingston is not so sure. He says: “The passage in Jentz … (is) the only explicit reference to German penetration criteria I have found. This passage is awkwardly translated into English and may or may not refer to the actual penetration criteria … I suspect the German penetration criteria were not as strict as we might suppose. I don’t feel that the little passage in Jentz is sufficient evidence to make much of a statement of what the German criteria were, given the awkwardness of the translation.” [up]

2. Source: Jentz, Thomas L: Tank Combat in North Africa; Jentz, Thomas L. and Doyle, Hilary L.: Germany’s Tiger Tanks. Tiger I & II: Combat Tactics and Robert Livingston. Robert Livingston derived his information from a British Intelligence Objectives Subcommittee report German Tank Armour dated 1946 which is in the Tank Museum Library in Bovington, England. It is apparently the only copy, but anyone can buy photocopies from them. The report is based on interviews with German manufacturers of armour and captured documents. Unlike the data for vehicle armour Jentz and Livingston are in complete agreement except for one minor typographical error. [up]

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Copyright © 1999 David Michael Honner. E-mail: GvA@wargamer.org.