Before the mounts can be installed, the firewall protection (a layer of Nomex covered with stainless steel) needs to be installed. First I created a paper template of the firewall to get the shape correct. Firewall Template Next I made a rigid template out of poster-board to trace to the stainless. Poster-Board Template Then I […]
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Fitting the cooling plenum to the engine. Note that the rear-most set of two ignition coils from the previous pictures had to be moved forward to clear the plenum and cowling. Note that once the plenum was fitted, and the runners where sanded slightly to allow them to slide into place, we started to fit […]
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Since the premolded engine cooling NACA ducts don’t seem to be covered elsewhere in the manual, I’ll include them here. Much of the cutting was completed during Head Start, though I did cut the overheard fresh air duct at home. Then they’re all fitted up and held in place. The engine naca’s had been set […]
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Two runs of 1/2″ 3003 Aluminum tubing are run from the firewall up to the nose of the aircraft, and then covered in heat shrink tubing to add some insulation value to the line. At the aft end, the lines are installed with nuts and unions to a pre-made (by the factory) plate, and safety-wired. […]
Read MoreTo reinforce the firewall where the engine will be mounted, and to tie it into the fuselage and wing spar more thoroughly. Inside, the sides get two layups each, 2 ply of triax 6″x18″ which is laid up about 6″ onto the firewall. One is set horizontally just above the spar, the other at at […]
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he nose oil cooler takes air from a NACA scoop installed on the left side of the fuselage. This opening was prelocated by the factory, and cut and installed it during Head Start much like the other NACA scoops. Then the supplied ducting was cut, the upper section was covered with foil tape and laid […]
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