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Rogers Web Site
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Date: 9-14-2014
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Number of Hours: 6.50
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Manual Reference: 8-21/23
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Brief Description: Tailcone bulkheads
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Today, I had a pretty successful day, managed to get a bit done.
I marked out the separate parts that make up the F-800, and cut them into their separate parts. So I ended up with the two rudder stops (F-886 R and L), two angles (F-810C and F-811C) and the angle/control stop (F-812B). I then edged and deburred these parts. The two angles F-810C and F-811C also had to be radiused so that they would fit inside the top longerons.
I clecoed the F-812A and F812C bulkheads together, and drilled the common 1/8th holes between these parts to full size. I used a seamer to bend the flanges of the F-812A so that they were inline with the flanges of the F-812C bulkhead, when looking from the top of the bulkhead downward.
I marked the vertical position of the WD-409 Tail Spring on the front side of the F-812 bulkhead assembly, this gives you a horizontal line. I clamped the WD-409 in place, and then match drilled the two ‘keeper’ rivets, through the bulkhead assembly and the WD-409 tail spring mount. I machine countersunk the ‘keeper’ rivet holes on the AFT side of the bulkhead assembly.
I unclecoed the assembly, deburred the rivet holes and edges, I dimple countersunk the common #30 rivet holes between the two halves of the bulkhead, so that the flush face is on the aft side of the assembly. I then primed the contact surfaces of the tail spring mount and the two mating surfaces of the bulkhead halves. I then riveted the two halves of the F812 bulkhead assembly together, but only using the dimpled rivet holes.
I cut the stab attach bars into their two parts, I then radiused the corners and edged them.
I roughly cut out the shaded area depicted in the plans from the F-811A and 811E bulkheads. These bulkheads were them clecoed together, along with the two stab attach bars and the F-811C angle. Then all 1/8th holes were drilled to full size using the bulkheads as a pattern, as the stab attach bars didn’t have a full complement of pre drilled holes and had to be drilled through. I again used a seamer
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The F-812 bulkhead Ass clecoed to the tail spring mount.
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I clecoed the mid fuse bulkheads and armrests back into place.
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Loads of shiny bulkheads
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