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Fuel Lines in Composite Airplane - Glass them In or Use Clamps?

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wsimpso1

Super Moderator
Staff member
Joined
Oct 18, 2003
Messages
11,353
Location
Saline Michigan
I am installing hard fuel lines in my composite airplane. The ones in the stub wings will only have access to allow me to remove and install the outer wing panels (with the fuel tanks). They will be essentially sealed in once the top wing skins are bonded and taped in place. I am leaving them with a healthy zig-zag to allow reconnecting if I have to cut off a flare and redo it at some point.

I could drill nice big holes in each surface they penetrate, then apply a bracket and an Adel clamp per AC 43.13. Or I could just drill holes with the tiniest of clearance and fiberglass them in with some dry micro and a fiberglass tape. So, which way would you do this in an inaccessable fiberglass structure and why?

Billski
 
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