Dave Saxton wrote:We don't know what really happened there. The turrets are buried in the mud and nobody knows if there are any full penetrations, or if there are, when they occured, as far as I know. At what range did the Rodney hit(s) occur? Several minutes transpired before the pivitol hit occured. It may well have been short of the turret/barbet IZ by that point. If Rodney opened fire at 25,000 yards, that's only a few thousand meters beyond 20,000 meters.
As was pointed out in the disscussion on the Iowa face plate, a full pentration need not occur to fully or partially disable a turret. In light of analyzing this anew, I see no reason to say Bismarck's heavy battery protection was any worse than any contemporaries against guns of it's own caliber, at reasonable ranges.
RF wrote:My understanding was that this hit was at the back of one of these turrets and the British observers ''saw the roof of B turret blow off'' and it apparently KO'd both forward turrets.
The analysis by Ballard et al, focussed on the impact of this hit on Bismarck's command positions and armoured tower, not on the gun turrets themselves. I think this still remains an unknown.
The Bismarck class turret protection is very good vs 15-inch guns between 20,000 and 30,000 meters. Additionally, the Nelson class 16-inch is actually less powerful than the European 15-inch guns. It looks like the Bismarck class heavy battery protection isn't that bad after all.
Tiornu wrote:How could they have no immunity at all vs 14-inch?
The shell can hole the faceplate from about 28,000 yards.
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