Quote:
Originally Posted by NZtyphoon
And where did a weight of 12.1 kg for the light alloy plating come from?
That the 8mm thick 109E "armour" weighed only 46 kg indicates that it was not armour plate, which would have weighed considerably more, but probably a toughened alloy of some kind, or a sandwich of armour and alloy. Then we have the usual assertion of how bad British methods were cf the uber German... 
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Hmmmm well at the risk of 'switching sides':
8 mm x 0.75m x 1m Carbon Steel weighs 46KG
http://www.ralingroup.co.uk/weights.html
Does that help?
If steel plate behind the Hurricane pilot was said to be 1/4 inch thick. At 2.5 ft x 3 ft thats 75.6lbs and it was said to weigh 73lbs.