Hangar 9 Funtana 125 Assembly Manual page 15

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Step 32
Use a hobby knife with a #11 blade to set the hinge gap.
You should just be able to slide the blade through the gap
between the aileron and wing.

Step 33
Use thin CA to saturate each of the three hinges on both
the top and bottom of the hinge. Allow the CA to fully cure
before proceeding.
Important: Do not use accelerator on the hinges.
The CA must be allowed to soak into the hinges.
Using accelerator will not allow the CA enough time to
correctly soak each hinge.
Hangar 9 Funtana 125 ARF Assembly Manual

Step 34
Gently pull on the aileron and wing to make sure each of the
hinges is secure. If not, reapply CA to the hinge that is not
secure.
Important: Sealing the hinge gap is necessary on
models that have large control surfaces and use large
control throws. Not sealing the hinge gap can lead to
flutter of the control surface and could result in the loss
of your aircraft. Make sure to seal the hinge gap at this
time.

Step 35
Use clear tape, clear covering or white covering to seal the
hinge gap on the aileron. Flex the aileron to open the gap as
far as possible when installing the hinge gap tape.
Note: We used colored tape to illustrate the position of
the hinge gap sealing tape.

Step 36
Flex the aileron through its range of motion a few dozen
times to break in the hinges and hinge gap tape.

Step 37
Repeat Steps 20 though 36 to prepare the remaining
stabilizer and elevator.
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