Question: My VMAR Hornet ARF does not appear to have a cavity for the Aileron Servo. What should I do?
Answer: This is a manufacturing glitch that occurred on a few models produced in late 2006 and early 2007. The cavity is in fact there but the skin has not been trimmed away after covering.
This is easy to fix and takes about one minute per wing. Here is what to do:
- The cavity is to be 11 mm wide x 40 mm long in each wing. When the wings are joined, the cavity will be 22 mm wide x 40 mm long. This will accomodate major brand "standard" servos.
- Examine each wing root.
- The cavity is bounded at the front (towards leading edge of the wing) by the triangle stock adjacent to the wing spar joiner channel and bounded on the rear (towards the trailing edge of the wing) by a strip of "rail" hardwood. You can see the triangle stock and the rail strip from the wing roots.
- Carefully cut away the balsa skin that lies over the cavity between the triangle stock and the rail strip. Each cut out will be approximately 11mm wide and 40 mm long.
- Test the cutout to ensure it will accomodate your standard servo. Trim to fit accordingly.
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