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General control line discussion => Open Forum => Topic started by: jim gilmore on July 02, 2009, 02:23:06 PM

Title: Plywood types
Post by: jim gilmore on July 02, 2009, 02:23:06 PM

I'm ordering wood and need some plyw2ood to boot but whats the differences and uses for ( lite ply ) vs (3 ply birch ) ?

Title: Re: Plywood types
Post by: Bill Gruby on July 02, 2009, 02:41:20 PM

 Lite Ply is made from Poplar and is more flexible than Birch plywood. I really wanted to sa the difference is about $4.00.  But what the hay the first sentance tells you what the difference is. Have fun.

  "Billy G"   VD~

Title: Re: Plywood types
Post by: jim gilmore on July 02, 2009, 02:46:11 PM

So for engine doublers I'd want the birch Not the poplar ?

Title: Re: Plywood types
Post by: Ralph Wenzel (d) on July 02, 2009, 03:14:39 PM

Quote from: jim gilmore on July 02, 2009, 02:46:11 PM

So for engine doublers I'd want the birch Not the poplar ?

Absolutely!

Title: Re: Plywood types
Post by: jim gilmore on July 02, 2009, 03:18:16 PM

Ok second type ? To make belcranks from plywood and balsa or doublers for around the belcrank post ? birch also ?

Title: Re: Plywood types
Post by: Jim Oliver on July 02, 2009, 03:45:24 PM

Jim,

The lite ply is usually only 3 plys, and quite soft---not so good.
The aircraft grade birch ply "used to be" 7 ply, but the 5 ply stuff should be fine.

Cheers,
Jim

Title: Re: Plywood types
Post by: Randy Powell on July 02, 2009, 03:50:59 PM

You can still get 7 ply. I've also used some 1/32" 5 play Oak veneer plywood that was interesting. Mostly, just the birch 5 ply stuff in 1/16, 1/32 and 1/64.