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spar bolt washer placement.
Hi All
Quick question regarding spar/wing attachment bolts. Which of these bolts require washers and where? Head or nut or both ends? |
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Chris |
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Build a fuel tank Trim a cowl Paint a plane Take the wings off Yeah... I've done all those many times. They suck and you will do them when you have to. |
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The custom faux spar needs a flat forward side and an 'open' aft side (used rails of 1 1/2" x 5/8" plywood, on the top/bottom of the aft side. The open area allows some nutplates on the forward side of the spar bulkhead. These nutplates (and bolts from the aft side secure the control stick assemblies to remain intact, and in position.) http://www.mykitlog.com/garyc * entry for 4-20-2015 shows move to airport with gear and no wings. * entry for 12-07-2010 shows the faux spar design and gear towers. NOTE: I did cut a correct dihedral on the inboard ends of the faux spars. Didn't 'exactly' match drill a few holes but marked and drilled a few oversize holes 'good enough'. Main point is to hold the gear but get the thickness close enough and don't overtighten the street hardware to secure the gear. This is the BIGGEST PITA on the -6A because so much needs to be done with wings on the fuselage and there's no center spar/bulkhead to work with. -7A and later have a major build advantage in this point. Also - there are revisions and notes on wiring/pass-thru that earlier builders didn't have (if you have questions). |
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