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All Forums >> RC Airplanes >> Composites Fabrication And Repair >> Glasssing / Which is Stronger?
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Glasssing / Which is Stronger? - 12/25/2007 8:30:16 AM   
rednekk58


 

Posts: 165
Joined: 11/26/2004
From: weare, NH, USA
Status: offline 		Hi All,
Building a wing, bare skeleton, sheeted with 2 mm depron. will apply two layers 3/4 oz cloth. I also have 2 oz. cloth. No vacuum bagging just brush a squeege.Was wondering which would be stronger? Two layers 3 /4 or one layer 2 oz. Which would be lighter? Opinions?

Thanks
Al


_____________________________

There is a fine line between insanity and genuis.
I'm almost a genuis!!!

_____________________________

There is a fine line between insanity and genuis. I'm almost a genuis!!! NeArLy NoRmAl Al
       Post #: 1

RE: Glasssing / Which is Stronger? - 12/25/2007 1:28:20 PM   
Ed Smith


 

Posts: 2834
Joined: 12/29/2001
From: Brantford, ON, CANADA
Status: offline 		In both cases the two layers of 3/4 cloth will be stronger, stiffer and lighter if applied correctly. Cloth weight is stated in ounces/sq yard. The generaly accepted ratio of cloth to resin is equal weight of each. Therefore the weight saving with two layers of 3/4 cloth will be 1/2 ounce/sq. yard over the one layer of 2 ounce.

For strength lay on the first layer of 3/4 cloth. Use your favourite method of removing excess resin. before the resin has completely cured (Still kind of tacky) squeegee on the second layer with the weave at a 45deg angle to the first layer.

Ed S


(in reply to rednekk58)
       Post #: 2

RE: Glasssing / Which is Stronger? - 12/25/2007 1:46:54 PM   
rednekk58


 

Posts: 165
Joined: 11/26/2004
From: weare, NH, USA
Status: offline 		Thanks Ed,
This helps a lot, That's what I'll do.
Al

Merry Christmas Everyone

< Message edited by rednekk58 -- 12/25/2007 1:48:33 PM >

_____________________________

There is a fine line between insanity and genuis. I'm almost a genuis!!! NeArLy NoRmAl Al

(in reply to Ed Smith)
       Post #: 3

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