Friday, October 26, 2007

"A" Bulkhead stiffeners

Build hours: 252
The "A" bulkhead stiffener was added. The bulkhead tabs were drilled, the stiffener clamped and then backdrilled 3/32". The holes were then drilled with a 1/8" drill instead of a #30 in preparation for dimpling. The holes were deburred and dimpled and then the stiffener was riveted on. The stiffener was placed so that 1/4" turn fasteners could be installed in the front edge in their streamlined position and #6 nutplates could be installed in the rear edge.

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