The outside feet were my first experiences with the production of larger silicon moulds.
The basic structure was manufactured from wood. |
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Some weeks later the master model was finished. |
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A casting mould from Perspex allows viewing when pouring. |
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The GRP building method of this part allows the largest possible space for driving motors to be installed later. |
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This GRP part is extremely light but nevertheless strong. |
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Once you have one finished silicon mould, the production of the further parts goes much more quickly. |
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The same procedure with the middle foot. |
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For this I had to build a mould, too. For more pictures of the middle foot see "silicon moulds". |
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In order to be able to attach the middle foot, it had to be possible to install a bolt from the outside without it showing. Thus I built one side of the master model without the "half-moon". This missing "half-moon" is now easily made from the opposite side of the silicon mould and this covers the hole needed for the bolt. |
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Here is the result.
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Drive and wheels. |
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