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RV-6A - GBC
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Date: 12-3-2010
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Number of Hours: 0.00
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Manual Reference: Dwg #32, 36 & 39
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Brief Description: Part 1 of 3 - Details of F-632 components
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Another one of those unresolved tasks that has become the critical path. It's the junction of parts; the F-606 bulkhead flange, F-674 top skin, and F-632 assembly of rollbar braces. This is one of those 'clear as mud' details on the RV-6A plans. Even the Tech Support answer adds to that 'clarity'. Of course, fitting the plexi in the rear window is related. I'll focus on this issue.
Dwg 39 - The View D-D is 'botom up' and really needs a View E-E from the side to clearly illustrate the layers of the juncture of components. It appears in this drawing the F-632B angle is to be riveted on top of the F-632A channel, and the aft side of the angle is riveted to the F-606 bulkhead web.
Dwg 32 & 36 - The rivet pattern and call-outs for rivet specs is shown but no specific detail is shown for the area on this juncture. In fact, it appears from this drawing that the F-674 skin is simply riveted to the F-606 bulkhead flange. The triangular gusset F-688 on top of the flange is sandwiched between the flange & skin, total 3-layers.
A note on drawing 39, View D-D says that a .032 shim is to be fabricated to go between the F-632B angle and the F-606 bulkhead, (which is assumed to be ON TOP of the angle). This is picture #2.
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View D-D Dwg 39
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F-632B, shim, F-606 and F-674
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Detail of fabrication F-632B
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