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 Technical Help and Questions
 Jig's, Coil winder jigs, Core molds/jigs and so on
 Casting Rotors
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ron_o
Moderator


United Kingdom
1052 Posts

Posted - February 26 2012 :  15:55:57  Show Profile Send ron_o a Private Message  Reply with Quote
Found this on the net , not exactly rotors but close enough to be useful.

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ron

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msmjr
Average Member



USA
444 Posts

Posted - February 26 2012 :  16:48:25  Show Profile Send msmjr a Private Message  Reply with Quote
Hey Ron Thanks
That gives me a great idea. Didnt think of using silicone as the mold. Wood is just a pain. hmmm
That resin is a little pricey though. $27lb
Cass has a great source for plastics Ive always wondered if it can be melted down and recast into a mold.

Growing old is mandatory, Growing up......optional.
He is wise who gains wisdom from another's mishaps.
—Plutius Syrus
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ron_o
Moderator



United Kingdom
1052 Posts

Posted - February 26 2012 :  18:26:14  Show Profile Send ron_o a Private Message  Reply with Quote
Hi Msmjr

You can melt down pvc and plastic soft drinks bottles , just be very careful , the gases/fumes can ignite very easily. Also don't breath the fumes.

Have you thought of using fibreglas resin ( styrene momomer ) thats a lot cheaper , especially if purchased from boat builders etc. You can use talc as a filler to mix with the resin to help reduce cost

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msmjr
Average Member



USA
444 Posts

Posted - February 26 2012 :  19:30:52  Show Profile Send msmjr a Private Message  Reply with Quote
Hey Ron
Yes I have but I havent used any talc with it. Its still about $20 a can and depending on the size of the project $40-50 is easy to spend and I screw up lots. LOL With the plastics you can get 10lb of scrapes for $13.00. If I muff it up, melt it down and start over.

Growing old is mandatory, Growing up......optional.
He is wise who gains wisdom from another's mishaps.
—Plutius Syrus
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