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Covering ultralight wing with undercamber

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Built2Fly

Well-Known Member
Joined
Feb 21, 2020
Messages
157
Location
San Diego, California, USA
I was looking at my wing the other day and noticed that it has some undercamber.

The original construction for Hiperlite use a pre-sewn envelope for wings. That fabric is held down to the rib caps by some double sided sticky tape.

The Poly-Fiber manual stated that the cement is good for sheer force but not good for pull force. So it uses rib lacing, and alternatively uses pop rivet or screws to hold it down.

Adding to the consideration, Hiperlite is an ultralight. So would the 3M contact cement be strong enough to hold it down? Or do I need to add rivets? What is your suggestion? (I am using the "poorman's Stewart System" with 3M 30-NF.)

This is the underside of my wing. The wing is up-side-down on saw horses.
20210117_095646.jpg
 
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