Airbox assembly
Hours: 4.5 | Posted in EngineInstalled what should be the last firewall eyeball, for the alternate air control cable.
Fooled around with a piece of ceramic batting, to explore how it would work to fit it on the cabin side of the firewall. I wish it were stiffer, the stuff I ordered is sort of floppy. I think it would stay in place if cut to the right dimensions and backed with metal foil. I may do this yet, but still waffling. Plenty of planes flying without it… If I do decide to put it in, I want to do it before the top skin is riveted.
Attached the cable-end fitting to the alternate air slider assembly, then drilled the assembly to the airbox. Made spacer strips for each side so the cotter pin wouldn’t rub on the fiberglass. Riveted the slider to the airbox, with an RTV “gasket” to the hole in the bottom of the box.
Cut the filter holder clips and drilled them to the airbox top; deburred, countersunk, and installed with nutplates. Riveted the airbox top to the glass bowl, again with a bead of RTV around the perimeter for an airtight seal. Temp fit the whole airbox assembly to the fuel servo.
