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Old 05-02-20, 01:33
David Herbert David Herbert is offline
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Join Date: Mar 2010
Location: Ayrshire, Scotland - previously Suffolk
Posts: 548
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Quote:
Originally Posted by Lynn Eades View Post
I have since found that the floor in my Canadian hull is 3/16" (a bit less than 4.0 mm)
Actually 3/16" = 4.7625mm
5/32" = 3.96875mm

It was normal practice in the UK in WW2 to specify armour plate in mm. Also spark plugs were generally metric here by then too.

David
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