1250 SCALE MESSAGE BOARD
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Re: Sub-calibre guns question
EVERYONE LIKES A BANG and with barrel wear and the cost of big gun shells it wade sense to wire a small gun into the firing circuit, set to go off when the big gun was correctly loaded with a blank practice round, it also gave an indication that the gun was aligned with the director!
I've seen occasional photos of battleship main turrets with small guns (for example, a 90mm on a Dunkerque's 330mm mount) mounted beside, outside on the turret turntable. I gather these had something to do with gunnery practice, being used instead of the main guns to avoid barrel wear. But how were they actually employed? How many navies used them?