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8289, RE: Foam instead of MDF
Posted by a_miller_76, Dec-31-69 06:00 PM
Originally posted by extreme97nt
You could make a boat out of cement wiht no foam and it would float the foam has nothing to do with it.
Wait now hold on there cowboy :) You can make a vessel with a diplacement of water greater than that of the sum weight of the vehicle out of ANY material and it will float, but flip it over and you're fucked. Get any of these modern fiberglass bass boats and the hull is 6-12 inches of foam injected into a fiberglass shell. And it's ADVERTISED for floatation so that it's impossible to sink the boat. And it's true. The total weight of the boat is like 1/20th of the amount of water it diplaces and there is no way shape or form that it can take on more water, therefore reducing it's natural mass to displacemt ratio and sinking.Even if you fill the passenger compartment of those boats with water you can't sink them.
I may be a dumbass sometimes but not all the time.
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