04-28-2012: 5 hrs
The seat back adjustment plate is clamped to the edge of workbench to be bent 4-degree
After bending, they look good
Spacer is clamped to the top bulkhead part for match drill
The line on the spacer is passing through the center of each hole, alignment is good
Spacers are drilled
End position of the spacer is per plan
Drilled spacer is clamped to the seat back adjustment plate for match drill
Seat back adjustment plates are drilled using the spacer as a guide
Spacer and bent plate are clecoed, they good good
Seat back adjustment angles are drilled. I first drilled one angle, then match drill the other
1/8" gap between the angle flange and top bulkhead part
Angles are clamped to match drill the bulkhead top frame
After match drilling the bulkhead part
The gap for seat back aft position is smaller than I expected. I insert a 0.4" thickness sheet, the fit is pretty tight, but still can be inserted. This should be OK, and I don't think I will need to adjust the seat back frequently
Parts are primed
Clamped for riveting
The holes need to be left open are taped
F705 bulkhead is riveted
Detail view of the machined heads
Shop heads
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