FF&S1 was unrealistically optimistic about the impact of SEFOP (now known as EFP) warheads. In fact, these are limited in penetration of hard steel to their approximate diameter in cms. Hence, the calculation of SEFOP warhead penetration in FF&S1 should be reduced to 2xbore size (FF&S1 page 141).
[tne errata] SEFOP
Part of thread: [tne errata] SEFOP · 1 reply
↳ Re: [tne errata] SEFOP — Rupert Boleyn
FF&S1 was unrealistically optimistic about the impact of SEFOP (now known as EFP) warheads. In fact, these are limited in penetration of hard steel to their approximate diameter in cms. Hence, the calculation of SEFOP warhead penetration in FF&S1 should be reduced to 2xbore size (FF&S1 page 141).