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sink-me
Sketchbook
Got a new idea for construction. adjustment or operation of model planes. boats
or R/C? "AM" pays $10 for each "hint & kink" used. Send rough sketch and description
to Sketchbook. c/o American Modeler. Please note that because of the very large
number of submissions, none can be returned to the sender.
Otto Lion, Mountain View, Calif., bandsaws shaping tool from block balsa, lines
it with sandpaper, gets uniform airfoil contour at leading edge for more efficient,
better looking wing.
Flood-off engine timer adaptable to several types of Cox engines involves replacement
of Tick-Off timer pointer with actuator arm, linkage to air choke. No drilling needed.
From Donald Brown, Omaha, Nebr.
Control model handle, trimmable in flight, contributed from Uruguay by A. Grattan.
Knurled knob, turned to right or left, adjusts lengths of leadout lines from handle
automatically.
When scale location of steerable tail wheel is too far forward for direct linkage
with rudder of R/C model, Ross Smith, Gagetown, Mich., rigs additional rudder horn
and pushrod to tailwheel arm.
Easy transfer of sheet balsa part outlines to stock is possible, sez James P.
Vogt, Cincinnati, Ohio. Color dope dabbed through stencil patterns leaves sharp
outlines, strengthen parts.
Possible successor to "stooge" is Francis Hareslak's (Old Bridge, N. J.) control-line
auto-launch. First half circuit is tricky, admits inventor, but the set-up works.
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