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  #11  
Old 09-15-2019, 02:18 PM
sglynn's Avatar
sglynn sglynn is offline
 
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Location: Anacortes, WA
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Default Rivnuts for fairings

Are rivnuts okay to use holding the transition fairings to the fuselage?
I suppose if in aluminum they are probably as strong as a platenut. Right? What about in lower cowl for nose gear transition fairing? And whether rivnut or plate nut do you need an aluminum back sheet fo holding on the fairing?

Thanks
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  #12  
Old 09-15-2019, 02:46 PM
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Mark Dickens Mark Dickens is offline
 
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Default

I can't address the nose gear fairings, because I don't have any, but I do use rivnuts to secure my transition fairings for the main gear. No issues at all. The key with rivnuts is not to over torque them or use them in any structural capacity. I simply installed them into the fuselage skin with no backing.
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  #13  
Old 09-15-2019, 02:48 PM
rocketman1988 rocketman1988 is offline
 
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Default ...and

There are rivet available that have anti twist wings on them for soft metals, like aluminum...
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  #14  
Old 09-15-2019, 03:20 PM
BillL BillL is offline
 
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Quote:
Originally Posted by sglynn View Post
Are rivnuts okay to use holding the transition fairings to the fuselage?
I suppose if in aluminum they are probably as strong as a platenut. Right? What about in lower cowl for nose gear transition fairing? And whether rivnut or plate nut do you need an aluminum back sheet fo holding on the fairing?

Thanks
If you use them, use the ones with a lock tab from Spruce. I tried the serrated style from HF on a test piece and they would spin too easily. Even when crimped well. I used nut plates instead for less future pain.
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