They were without a doubt an upgrade from the M2 Browning machine guns that they replaced, but by this period of WW2, they lacked stopping power against modern aircraft. While the Bofors 40-millimeter guns packed more punch against serious air attacks, Oerlikon autocannon continued to be ...
20×124 (as used in the Japanese Type 97), 14.5×114 (as used in the Soviet PTRD and PTRS), .55 caliber round for the Boys Antitank Rifle, 7.92×107 (as used in the Wz-35) and the 7.92×94 “Patronen 318” (as used in the PzB 38 and PzB 39)...
Probably just poor engineering in the conversion from 40mm to 37mm, which had to be done both for the adaptor and the ammunition. WW2 seems to have suspended the “NIH” syndrome for a large degree; the US happily copied (with a license) the Merlin engine, the 6-pounder AT gun (called...
The WW2 battery may have been the 204 Oban Battery of the Royal Artillery's 61st Artillery Tank Brigade (51st Highland Division). If anyone knows more about these PF Posts, pray tell. (Martin Briscoe, 2000) PORT WAR SIGNAL STATION
My contention is that Britain certainly did not win WW2, neither did Germany, rather it was avdisaster of epic proportions for most of Europe and the Far East. The USA & USSR “won” and then we had the cold war (which seems to be re-emerging. Somewhere a great folly has happened. ...