42. MRH13-08-Aug2013 - page 79

Animated icing platform - 3
sprocketed end wheels for the drive and smooth inner wheels
for conveyor support. I determined that the tread was stretched
appropriately when the outermost axles were 4-7/8” apart (5).
I then created a simple frame from square basswood (10” x 10”
scale) to hold the H-beams 1” apart, measured between their
innermost edges, and trimmed extensions on the Tamiya wheels
to fit (6).
I created a simple frame from square basswood to hold the
H-beams one inch apart measured between their innermost
edges. I then trimmed the extensions on the Tamiya wheels
to fit.
I made a simple 2-¼” x 4-½” lower platform structure to hold
the conveyor belt (7). Next I glued 1/8” x 3/8” slats, leaving
a center hole for the conveyor. The conveyor is attached to
the platform by the axle running from the motor through the
wooden frame and an end hole in the H-beams. I also glued
5: The partially completed conveyor system. The holes
drilled in the H beam need to be square with each
other so that the conveyor will track properly.
5
6: I built
a wood
frame from
10” x 10”
O scale
bass that I attached to the H beams to maintain the
proper spacing. You can also see the extensions that
are trimmed from each of the Tamiya wheels.
6
7: The base of the simple platform I made to house the
bottom end of the conveyor.
7
MRH-Aug 2013
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