Trim, sand, and vacuum the aft heat duct. Cut 2-ply BID cloth @ 45 deg orientation and a piece of peel ply to cover the layup. Workshop temperature 24 deg C and 40% humidity. A batch of epoxy was mixed using 188g resin and 72g hardner. Epoxy was brushed onto the top glassed portion of …
The areas where the birch plywood inserts are to be installed were sanded with 36 grit sandpaper. 7-ply BID cloth was cut for each of the four inserts. A 1″ overlap was used except for the insert where the step will be attached. For this insert a 1.5″ overlap was used. Workshop temperature was 24 …
Four angle brackets for the safety harness anchor points were fabricated from 1/8″ x 1″ x 1″ 2024T3 extruded aluminum angle. The brackets were cut out with a hack saw and then rounded with a bench grinder and any sharp edges filed away. Three 1/4″ holes were drilled in each of the four brackets. The …
Using a hack saw and file, the excess material from the four shoulder harness support tabs were removed and made flush with the front seat. A small and thick batch of flox was mixed and applied over the slot area to fill in any cavities and smooth out the surface. Four 1/4″ thick birch plywood …
Workshop temperature was21 deg C and 46% humidity. A small batch of flox was mixed using 16g resin and 6g hardner along with some flox. The four aluminum tabs were flox’d in place. Four 1/4″ holes were drilled (and countersink) into the aircraft step.
