Scale Aviator International Magazine Issue 3 | Page 13
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fuselage and brainstorming a drive mechanism for
the canopy. Noticing the gap between the hatch
and the fuselage was crying for help I added some
wood to the fuselage to close it. Using epoxy mixed
with micro balloons I bedded the rest of the hatch.
I piped the mixture to both the fuselage and the
hatch, and then positioned a piece of wax paper
onto the fuselage. I put the hatch in place, making sure the mixture evenly filled the gap on both
pieces. Once cured, the wax paper allowed easy
removal of the hatch. With that done, that big old
gap looks like panel lines.
See Photo #8 & 9
The original After Cooler Door openings were removed, relocated and fabricated. When I added
up the additional weight behind the CG already
added doing the empennage adding more by articulating the doors didn’t sound like such a good
idea any more. With the shaping of the fuselage
complete it was time to start on the wings.
Hiding the control connections was far simpler
here. The flap controls are hidden from the factory
and I decided on Rotary Drive Systems for aileron operations. While the flap linkage is hidden,
the gap between the flap and wing was massive,
top and bottom. On top of that, the factory hinging
made the flaps look like barn doors when open
and that wouldn’t do at all. While the engineering
to design scale flap operation was a bit outside
my comfort zone I did arrive at a solution which
provided a cantilever action to the flap. By adding
wood to the wing and flap I was able to eliminate
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the gap. I built hinge supports by silver soldering
square brass tubing that extended the hinge point
further into the flap and provided plenty of support
at the wing attachment points. Once again Robart
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