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How Thick?
Sould Glass be for an overhead hatch?
Our galley is a little dark so Im thinking of putting in a big overhead hatch for light and ventilation. One like you have seen in the movie the White Squall, and in the movie thats the one jeff bridges is seeing his wife under as the boat sinks. Seems that one was quite thick seeing how he went down with her 20-30 feet and it did not implode. I figure it will have two opening hatches each 1' X 3'. I will either go with 3- 1'X1' panes, or a single 1'X3'. I think the 3 panes would look better but would be more prone for leaks. Anyone have a big overhead hatch? Any thing that screws up on them all the time that I should avoid? Im making the frames out of steel Joe |
Joe wrote:
I figure it will have two opening hatches each 1' X 3'. I will either go with 3- 1'X1' panes, or a single 1'X3'. I think the 3 panes would look better but would be more prone for leaks. The required thickness for given loading depends on the type of glass - some types of treatment can make glass very flexible. FWIW, the Houdini hatches (about 20" square) have 1/4" toughened glass with some aluminium bars over the top. At a guess, I'd imagine that 1/2" would be the absolute thickest you'd require, probably less for the right treatment. -- Wally www.artbywally.com www.wally.myby.co.uk |
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