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.
RC piloting practice continues with the Sky King to prepare for flying the X-15 Delta Rocket Glider. The Sky King climbed to 54 ft in 5.6s then with the throttle at idle it glided for about 11s back to land. Looking forward to more altitude and more practice when the winds calm down.
