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  #21  
Old 12-04-2018, 01:01 PM
David Paule David Paule is offline
 
Join Date: Dec 2009
Location: Boulder, CO
Posts: 4,435
Default

You could contact Van's. They are good about answering questions.

Dave
RV-3B now working on the canoe
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  #22  
Old 12-04-2018, 02:33 PM
BMC_Dave BMC_Dave is offline
 
Join Date: Mar 2017
Location: Seattle, WA
Posts: 288
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What does the Boeing design guide say about using Titanium in contact with cadmium?
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  #23  
Old 12-04-2018, 05:32 PM
Gusmax Gusmax is offline
 
Join Date: Jun 2014
Location: Sherwood Park, Alberta
Posts: 77
Default Hi-Loks for RV-4 spar attach?

A good friend was flying his newly purchased RV-4 Fastback from Wyoming to Alberta when he lost his canopy at Cut Bank, MT. We drove down from Alberta with my trailer and removed the wings to haul it home. When I removed the NAS bolts at the center spar attach point, I could not get a socket on many of the bolt heads? It turned out that that bolts were hammered so hard when installed that the heads were smashed in. I have not examined the holes in the spars yet,but can't imagine them being very nice? Slightly oversize Hi-Loks with properly reamed holes might be a good fix??

Phil
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  #24  
Old 12-04-2018, 07:28 PM
Sue Sue is offline
 
Join Date: Nov 2012
Location: Ok
Posts: 94
Default Hi-locs

Just use taper loc?s like everyone does.
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