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Home of the Spodplane
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Date: 2-1-2024
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Number of Hours: 5.20
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Manual Reference: 23-16
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Brief Description: Lower cowling baffle installation. Oil check door
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Trimmed new oil check door until sits with 1.5mm gap all around. Installed clickbonds onto cowling hinge with nuts this time, and cleco to cowling through existing holes, with the other half of the hinge attached, but no spring. Match drilled door to hinge and secured with cleco. Match drilled latch screw and secured with cleco. Note the nutplate is a little loose and goose it up a bit. Decide that I really need to get my head around Dzu fasteners, even just the wing-nutty ones.
Decide it all looks lovely, and works fine when operated with the cleco in place, so rivet the door to the hinge with AD4-4 c/s rivets, fit the door and flox the clickbonds, clamped with cleco.
Hot glued some taped wood blocks to the lower cowl, drilled holes through the cowl to locate the baffles with rivet mandrels and a could of wing nut cleco and floxed them in place. Mounted cowling on plane for cure to avoid any later shape issues.
Realised that the plans say mount the sloping baffle at 60 degrees from horizontal, but the bottom of the cowling is not flat. I measure it at 4.5 degrees, so adjust my holdy-uppy thing to 55.5 degrees.
Have always intended a hot vent for the top of the cowl, held closed by internal pressure when flying, opening to drain hot air from the cowl on the ground. Lower the nose, and realise that it could go anywhere on the top of the cowl, so mark up the optimum position, and leave it to ponder for a while.
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Take #3 I think...
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Ready to flox in most of the baffles
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