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The idea of a radio controlled
Minor was something Robin had wanted to do for some time but it is a problem
of the body. We have a pot
Morris Minor which was about the correct size, the problem was making a fibreglass
body from it. Due to the body shape a simple mould
was not possible. The solution was given to us by Strand who sold the materials
to make a flexible mould rather like a rubber mask.
The pot Minor is polished
with release agent so the mould will
not stick to it.
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Mixing the moulding agent
in mothers best bowl. The mixture
is 2 part.
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The mould is pasted on
like icing a cake.
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The task was to get a
good covering without it running off.
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To prevent the mould
running off, cardboard was tried to
support it. It did not work and a different solution was tried.
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It was decided to get
gravity to help. The box contains damp
sand with a small gap between the sand and pot Minor into
which the mould was poured. The dowel is to support the pot
Minor.
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Once the mould was set
the sand was removed from around
the flexible impression. Next the rubber mask like shape was
put back over the pot model and a fibreglass split support was
put on top of the rubber.
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This is the fibreglass
split support for the flexible mould. To
make a body the flexible mould is put inside this fibreglass
support then very fine matting is layed up on the inside. When
set the outer support is seperated the flexible mould can be
peeled away to reveal the body.
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The first body out of
the mould after cleaning, filling and
primer.
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The body is detailed
and fitted to a Tamiya Cheater radio
controlled car chassis.
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The finished car.
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Viewed from the rear.
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