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can i use this ply?

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Old 06-16-2003, 08:00 AM
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highflyer353535
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Default can i use this ply?

hi, i know this may be a stupid question but i am starting a new plane from plans and it calls for 1/4 ply was over to home depot and they had some nice 1/4 ply large sheet birch for less than $8 a sheet my question is can i use this instead of order it through likew balsa usa or lonestar? thinking of cost here and for $8 i can get a sheet from home depot to do all the parts i need thanks
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Old 06-16-2003, 11:05 AM
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Default can i use this ply?

As long as it's five ply it would be fine for firewall, LG, etc.
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Old 06-16-2003, 02:16 PM
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Go 4 it!
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Old 06-16-2003, 07:27 PM
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Stick Jammer
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Default can i use this ply?

It depends on what and where it's used. If you need 1/4" lite ply, that stuff from the Depot is gonna add a lot of weight to the airframe. If the plans call for aircraft ply, (firewalls, gear blocks, etc.), then personally, that's what I would use. I could be wrong, but I don't believe that plain old birch ply is the same quality as aircraft ply, even if it has the same amount of layers.
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Old 06-16-2003, 08:28 PM
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Default can i use this ply?

I have used it. Make sure it is 5 ply and straight. I have even gotten some really good ply off the bottom of pallets. Was good stuff.
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Old 06-16-2003, 09:14 PM
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Default Home Depot birch ply

I personally wouldn't use this plywood for anything on an aircraft. I do use it but only for things that don't fly, like a small carry box for my field charger. This stuff is designed for cabinets, not airplanes. It has very thin veneer of peeled birch, front and back, over a core of what looks like compressed wood fibers. It's brittle and heavy. Use at your own risk!
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Old 06-16-2003, 09:58 PM
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Default can i use this ply?

If what you are refering to is Luan plywood I would not use it for any structural parts on an airplane. Plywood is classified/graded on the glue used, finish of the sheet and the amount of voids in the sheets. Most plywood used for general building doesn't work well for model building. If you only need enough for some formers and LG plate I'd purchase some 5 ply birch plywood. You may be able to locate a furniture grade or cabinet grade plywood locally from a specialty supplier of wood.
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