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Trial fit the retract unit and mark its
position.
Drill the mounting holes.
Drill a small channel through the foam
from the retract air hose position to the
servo cannel. Route the airline though the
channel out of the wing. If you have
enlarged your wheel well simply cut a
groove into the foam wall of the gear well.
This step only needs to be performed if the
wheel well was enlarged in the previous
step.
Place a carton or fiberglass sheet into the
wheel well as shown. The carton sheet will
later form the wall of the wheel well to
protect the foam from damage. Trace the
outline long the wing skin.
This step only needs to be performed if the wheel well was enlarged in the previous step.
Remove the carton/fiberglass sheet and cut along the line drawn in the previous step. Test
fit the carton lining again and if required adjust where necessary. Install the retract unit
and route the airline through the channel created in the previous step. Use 5 min epoxy to
glue the carton sheet in place. Ensure that the airline is tucked behind the wall.
