MK9R
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| posted on 14/1/11 at 06:46 PM |
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casting a material in a clay mould
Looking to make a 15mm spacer for an airbox, there is a very complex pattern on the bottom for the throttle bodies, so was thinking of making an
impression in clay of what is required then casting it in plastic or hard rubber. Any ideas on what material I could use?
Cheers Austen
RGB car number 9
www.austengreenway.co.uk
www.automatedtechnologygroup.co.uk
www.trackace.co.uk
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flibble
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| posted on 14/1/11 at 07:49 PM |
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Would fiberglass resin (polyelster or epoxy I guess) work? It'd be a bit brittle if just resin but you can get reinforcing material to help bind
it together, kind of like the usual fiberglass matting but looks like its been blended into a fluffy powder like
>Linky< ?
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MK9R
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| posted on 14/1/11 at 07:52 PM |
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have found a tin of this in the garage
http://www.devcon.com/products/products.cfm?brand=Devcon&family=Flexane%C2%AE%2094%20Liquid
recon this could be absolutely ideal!
Cheers Austen
RGB car number 9
www.austengreenway.co.uk
www.automatedtechnologygroup.co.uk
www.trackace.co.uk
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flibble
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| posted on 14/1/11 at 07:54 PM |
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Lol, how comes I can never find anything so obscure yet massively useful in my garage!!? 
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rusty nuts
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| posted on 14/1/11 at 07:55 PM |
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Wax?
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MK9R
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| posted on 14/1/11 at 07:56 PM |
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quote:
Originally posted by rusty nuts
Wax?
hot engine and wax don't go together very well 
Cheers Austen
RGB car number 9
www.austengreenway.co.uk
www.automatedtechnologygroup.co.uk
www.trackace.co.uk
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jiwillia
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| posted on 14/1/11 at 10:32 PM |
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try polyurethane resin at http://www.tiranti.co.uk/
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rusty nuts
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| posted on 15/1/11 at 09:45 AM |
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Used wax as a pattern to make a mold in sand years ago at school , wax was then melted out leaving a mould into which we poured moulton aluminiun .
Just a few casting marks to cleaN OFF AND JOB DONE.
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