21 MAR 08 - E615-PP Work, Prekoted and Primed - 5 Hours
Prior to priming all of the stiffeners and skin,
I wanted to get E615-PP ready for primer as well. The plans have very little information
about how to prepare the screw-holes and nutplates. After searching on the internet,
I discovered a way that I liked:
I dimpled the screw holes to #6 and I will dimple the trim access cover plate screw
holes to #6 as well.
I got some NAS1097AD3-3.5 rivets
here. They will ship via USPS, which saved some money on such a small order.
These NAS1097AD3-3.5 are not "oops" rivets. "Oops" rivets, or NAS1097AD4-3.5, are
used where the hole has become enlarged and must be drilled out to #30.
The NAS1097AD3-3.5 are flush rivets just like AN426-3-3.5, but with a smaller head.
This allows you to countersink the trim access reinforcement slightly and still
set flush rivets.
The E-615-PP Trim Access Reinforcement before dimpling and countersinking.
I Prekoted all of the stiffeners, E-615-PP and the skins and then primed everything.
After countersinking the rivet holes and dimpling the screw holes to #6.
E-615-PP after riveting the nutplates on.
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