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Step 9
Use a rotary tool and 1/16-inch (1.5mm) drill bit to drill
a 1/2-inch (12mm) deep hole in the center of each hinge
slot for the rudders and fins. This provides a tunnel
allowing the glue used to secure the hinges to fully
penetrate the hinge.
Note: Drill the holes in the hinge slots for the
elevators and stabilizer at this time as well.
Step 10
Place a T-pin in the center of each of the twelve hinges.
Step 11
Slide the hinges back into the rudder. The T-pin will keep
the hinge centered evenly in the rudder and fin when the
rudder is installed.
Section 12: Rudder and Servo Installation
Step 12
Slide the rudder into position on the fin. Make sure the
rudder can move without binding against the fin at the top
and bottom.
Step 13
Remove the T-pins from the hinge and push the rudder
tight against the fin. Flex the rudder and apply enough
thin CA to fully penetrate the hinge. Apply CA to both
sides of the hinge.
Important: Do not use accelerator when
hinging. The CA must be allowed to soak
into the hinge for the best possible bond
between the hinge and surrounding wood.
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