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  #1  
Old 09-20-2021, 06:39 PM
Desert Rat Desert Rat is offline
 
Join Date: Aug 2018
Location: Wichita KS
Posts: 668
Default F-798 shim material

These are the shims that go between the fwd h/s spar and the aft deck. The print has you make these out of .125 ab4 bar stock.

I’ve looked high and low in my shop and can’t find any bar stock. I suspect that I was supposed to make these from the leftover ends of the aft wing spar carry though, which probably got swept into the scrap pile about a year ago.

Does anybody know what alloy and heat treat this stuff is and why I couldn’t just make it out if any old piece of .125?

If nobody has an answer of the top of their head I’ll call vans tomorrow
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Terry Shortt
AGI, CFI, CFII, MEI, A&P, Janitor
RV7 Empennage & Wing done
Fuselage in process
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  #2  
Old 09-20-2021, 07:25 PM
wirejock's Avatar
wirejock wirejock is offline
 
Join Date: Oct 2005
Location: Estes Park, CO
Posts: 4,669
Default Shim stock

6061-T6
Vans includes pieces for various uses.
Ask a builder friend for some.
If no one is close, I'm sure I have some.
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Larry Larson
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wirejock at yahoo dot com
Donated 01/01/2021, plus a little extra.
RV-7A #73391, N511RV reserved (2,000+ hours)
Empennage, wings, fuse, finishing kit, now FWF
Disclaimer
I cannot be, nor will I be, held responsible if you try to do the same things I do and it does not work and/or causes you loss, injury, or even death in the process.
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