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  #1  
Old 01-23-2011, 11:20 PM
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Cadmanic Cadmanic is offline
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Default Silicone coated sponge tires

I've been having great success making my own silispongees by coating stock sponge tires with flowable silicone...

Now I'd like to buy bulk sponge and stamp out my own blanks... What kind of sponge/foam should I be looking for?

Thanks!

Last edited by Cadmanic; 01-24-2011 at 12:47 AM.
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Old 01-24-2011, 05:57 AM
slotbubba slotbubba is offline
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There has been a guy on e-bay selling punched donuts and rims. His prices were fair, but I don't recall his name.

Glad you are having some success.

What sizes have you been making?

I tried some EPDM foam tubing from McMasterCarr, and it showed some promise. I think the ID was around 1/4". It turned down pretty easy with a emory board setup in a dremmel.

Food for thought. It is about $1 a foot I think.

I have some left, drop me a PM and I can mail you some to play with if you like.
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Old 01-24-2011, 06:10 AM
slotking slotking is offline
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Quote:
pretty easy with a emory board setup in a dremmel
just make sure the dremmel spins true
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Old 01-24-2011, 06:31 AM
neorules neorules is offline
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Slotbubba wrote:"I tried some EPDM foam tubing from McMasterCarr, and it showed some promise. I think the ID was around 1/4". It turned down pretty easy with a emory board setup in a dremmel."

Are you sure on the OD? what Id was it? Seems small.
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Old 01-24-2011, 07:37 AM
Rick Carter Rick Carter is offline
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Slotb,

His name is Shade Brown but his EBay ID is Sluggoslots.
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Old 01-24-2011, 10:39 AM
slotbubba slotbubba is offline
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Quote:
Originally Posted by neorules View Post
Slotbubba wrote:"I tried some EPDM foam tubing from McMasterCarr, and it showed some promise. I think the ID was around 1/4". It turned down pretty easy with a emory board setup in a dremmel."

Are you sure on the OD? what Id was it? Seems small.
Nope, I said it right, the ID was 1/4". The OD was probably around 1/2" or more. Plenty of room to turn them down. Seems like the diameter of the wheel hub was around .300", so the foam stretched enough to glue on the hub with ease. I used contact cement, and LIGHTLY sanded the wheel with some 1000 grit paper to get better bite.

Ditto what Rick says, trueness is the key, both in the machine turning it, and the shaft that you mount the tire on.

Rest assured, I'm a total novice at it, so that is about all I can contribute!
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Old 01-24-2011, 11:20 AM
Rawafx Rawafx is offline
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I think his name is Slade Brown....

Bob Weichbrodt
Rawafx@msn.com
Winston-Salem, NC
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Old 01-24-2011, 12:01 PM
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Thanks Slotbubba, both for the info and the gracious offer. I'll give some EPDM a try, no need for you to go to any expense or trouble.

So far, I've been doing tires for 440x2's. As for sizes, I don't have a tire gauge yet, and haven't braved the weather to run out to the garage and grab my calipers or mic... So I'm just grinding them down smaller than stock tires, and matching pairs by eye. I know they're far from perfect, but as long as my cars aren't hopping out of the slot and are getting better grip than stock, I'm happy.

I've also been experimenting with sanding down regular silicone tires , and recoating with flowable silicon. I haven't got to do any testing to see how they perform or how durable the new ''coat'' is, but they sure look pretty.
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