Tue 18 October 2005 |
Continuing with the RHS top cover, same deal as the other side, shape, trim, drill and form. The bending system of using the home made brake along with two bench vices (one fixed, one movable) worked well. The rear and outboard edges have a set in them, with the corner being the only 'level' square on the sheet. |
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Once the rear and inboard locations were sorted, the outboard edge was trimmed and piano hinge attached. Front edge was then clamped and drilled. |
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One concern for the RHS is the #1 cylinder upper spark plug - or its lead to be more precise. The clearance is too small so the current plan is to make a hole in the top surface and use a grommet. Might look a little strange with only one lead coming out the top, but functional and simple. |
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Final piece of strengthening was for the forward corner on the RHS, during which time I managed to drill my left index finger - a rite of passage - but still stupid! This is the whole structure with all #41 holes, the major remaining work is the 'top hat' for the fuel divider and the inlet ducting. Both I'm going to leave until later. |
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The result of the match drilling, the hinge uses AD3s, the bulk of the rest are AD4s except the nutplate locations. |
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Then I disassembled everything and started the clean up / debur process. I was going to get keen and do the nutplates - but I realised my match drilling used #21 rather than #19 as needed. At this point I called it a day and will sort tomorrow. Overall good progress, plenum is basically made although quite a bit of 'finishing' to complete yet. |
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