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Old 01-07-2017, 05:12 PM
cczarnik cczarnik is offline
 
Join Date: Sep 2016
Location: Middle TN
Posts: 124
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Minimum driven head thickness .038 per Mil Spec. That's a lot thinner than what you get with the 1.5D rule of thumb for the shop head. For reference that is very thin- less than a #60 drill bit. Source: https://www.vansaircraft.com/public/Specs.htm. So you're probably ok.

For tight rivets look up the indirect back rivet technique video on EAA's website. That might not even work for this spot though- I used pull rivets.
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