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Old 12-05-2009, 06:17 PM
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Making of a Curved windshield

Has anyone ever tried to put a slight bend in a flat windshield by heating it. I have a 1940 ford pu and have been thinking of doing away with the center divider. Most do it using 2 pieces of glass and silicone. But I have a old used pizza oven. And was thinking about making a wooden form. Preheat the oven the place the form and flat glass in. Watching it until it bends,then letting it cool slow. Seems like it should work but I am not sure. Or what temperature I should set the oven at. Should or will this work ? And at what temperature ? Thanks !

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Old 12-05-2009, 08:07 PM
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Your looking at a temp of around 1500+ dg to make the glass plastic. The laminate layer will be gone at that point. Not likely to work.
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Old 12-05-2009, 11:16 PM
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Curved widshield

Even if the lamination did not melt, you'd have a different issue - the outer pane would have be a tiny bit longer than the inner one, so they would have to slide apart (on the lamination layer) to curve under heat & pressure

Not likely to work

In factories, the glass is made and pressed into the curved shape and another piece is made to be the other layer - then they are laminated, and the edges are then trimmed flush
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Old 12-06-2009, 06:30 AM
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The way the glass guys do this is to take 2 flat pieces and butt them up and bond them at that center joint.
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Old 12-06-2009, 01:09 PM
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Why not just buy Lexan. Lexan is stronger and clearer than glass and you can bend it almost any way you want.
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Old 12-06-2009, 05:38 PM
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V-butt windshields

If you're into taking the advice that's been offered, then you've figured out that you just ain't gonna do it yourself. Have you checked the street rod glass suppliers that offer v-butt windshields? I don't know if one is available for your '40 Ford pickup but, if it is, that would be the route to go!.
Good luck!
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Old 12-07-2009, 04:09 AM
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Jefferies Auto out in Calif makes a 1 piece w/s for your car.
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Old 12-07-2009, 07:39 AM
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Yes, there is a manufacturer as I remember, Jefferies doesn't appear to have it. Click here for Jefferies Do some net searching and you may be able to find one.

And NO you are NOT going to bend the glass to fit, can't be done, forget about it.

Brian
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Old 12-07-2009, 11:06 AM
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Lexan is illegal for windshields just about everywhere. Do guys do it? Sure, but a lap full of lexan is not a pretty sight.
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