Contact cement for sheeting  
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Contact cement for sheeting - 5/12/2008 4:36:05 PM   
caribefoto


 

Posts: 40
Joined: 8/2/2004
From: Lake Wales, FL, USA
Status: offline 		I have come across a number of posts describing the use of contact cement to apply sheeting (balsa, 1/64 ply, F.G. sheet) to open framework structures like wings or former/stringer fuselages. Does anyone have experience with this method enough to recommend a technique and product? Does the cement get applied to the entire undersurface of the sheeting, or just in those areas where there will be contact between the framework and the sheeting.? If only to the contact area, how does one map out the exact location of the contact points (lines, or areas)? Thanks.............John

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RE: Contact cement for sheeting - 5/13/2008 3:57:43 PM   
Deadeye



Posts: 3608
Joined: 7/16/2002
From: Conrad, MT, USA
Status: offline 		I have read where guys use 3M 77 to sheet balsa over FOAM wings, but never an open bay structure. I wouldn't do it. I like alphatic resin, Titebond 1. The beauty of this glue is if you goof and have a section of sheeting not firmly glued down, you can crank your monokote iron to high, and iron it back down.

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RE: Contact cement for sheeting - 5/13/2008 4:02:15 PM   
LunaSea


 

Posts: 35
Joined: 11/11/2006
From: Jacksonville, FL, USA
Status: offline 		Polyurethane (Gorrilla) glue... Plenty of time to position sheeting, expands to fill any gaps, easy to trim away any excess expansion....

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RE: Contact cement for sheeting - 5/13/2008 4:43:01 PM   
Deadeye



Posts: 3608
Joined: 7/16/2002
From: Conrad, MT, USA
Status: offline
quote:

ORIGINAL: LunaSea

Polyurethane (Gorrilla) glue... Plenty of time to position sheeting, expands to fill any gaps, easy to trim away any excess expansion....


Are you talking foam wings? Poly glue works great there, but I can't imagine anything but a mess using it on built up wings.

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RE: Contact cement for sheeting - 5/13/2008 5:23:19 PM   
Whistling Death


 

Posts: 1005
Joined: 3/1/2006
From: Alexander City, AL, USA
Status: offline 		Personally, I wouldn't do it because once you touch the two sides together that is it. There is absolutely no room for error. With alphetic resin or gorilla glue you have plenty of working time to position parts just right before you leave them to dry.


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RE: Contact cement for sheeting - 5/14/2008 4:29:42 PM   
LunaSea


 

Posts: 35
Joined: 11/11/2006
From: Jacksonville, FL, USA
Status: offline 		I don't think I havve built a plane w/ a FULLY sheeted built-up wing, but plenty w/ partially sheeted (forward from spar to L/E). I pretty much always use poly (Gorrilla or competitive brand) glue for that purpose. When sheeting an open structure, you apply the glue to the structure, not the sheeting (if sheeting foam apply to the sheeting).

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       Post #: 6

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