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cnaind

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    Ma's Resin's Radial Drag Slicks

    in Car Aftermarket / Resin / 3D Printed

    Posted

    Many thanks to everyone for the kind words!!! Power was out the last couple days due to the severe thunderstorms but got it back this AM so back to whittling down the backlog!

    As for 1/12th scale..............I can do that but it will take a while to make the master & I would like to know there's enuff interest out there to sell more than a couple pair.

    Thanks again :) :) :) :)

    Drag Radials?!

    in Car Aftermarket / Resin / 3D Printed

    Posted

    Thanks for all the good feedback guys :PB) Hoosier does make a 325-50x15 size so I could make them too. Since both sizes are 15" most kit wheels would work.

    Here is a comparison next to a F70-15 kit tire:

    100_2123-vi.jpg

    And here are the steps to the finished tire:

    100_2122-vi.jpg

    An aluminum master is made to the correct scale dimensions, a resin blank is cast from it, the resin blank is machined with the tread pattern & then a final mold is made from the resin master. There are 32 of those little slots on each side. A .020" end mill was used to make a slot .007" deep over a 2o arc. The tires are cast from 70 durometer urethane which is flexible, but firm. The lettering was sprayed using Krylon flat white. It dries fast & stays flexible.

    Any other questions/comments are welcome :)

    Drag Radials?!

    in Car Aftermarket / Resin / 3D Printed

    Posted

    First off, thanks for the kind words Mike! I think your work is just as good :)

    Here's the 1st shot out of the mold:

    100_2117-vi.jpg

    I tried to get as close as I could to the middle "PRO D.O.T." tire:

    100_2119-vi.jpg

    100_2118-vi.jpg

    Size is 275-60x15, 10" tread, 28" dia in scale. Stencils will be included with each order. I will also be making the tire on the right in the 2nd photo. These will be available as soon as I get the stencils in. Any other sizes that might be popular??

    Thanks for looking :)

    Amphi Car

    in General Automotive Talk (Trucks and Cars)

    Posted

    This Spring? In time for NNL East maybe perhaps maybe please??!! :huh::lol:

    Not by NNL East, but the Norseman will be available shortly after. The Amphicar will a little after that. :rolleyes:

    Lee - The Amphicar will probably be a full kit as I am working on the interior & engine too. No price yet but I'll post it on here when it's ready.

    What is your favorite mold making product?

    in Car Aftermarket / Resin / 3D Printed

    Posted

    I decided to give the Smooth-On products a fair shake I should make sure I'm properly measuring, so I went and bought a scale today and started to tinker with making a mold of an AMT drag boat (also my first attempt at a 2 part mold for the bottom of the hull, but thats a different subject.

    The mold came out great, however I did not use mold release, and the resin completely stuck into the mold, destroying it. I've never used any sort of mold release on my Alumilite molds, so I find this very weird. Is it possibly related to using Alumilite resin with Smooth-On mold?

    On a side note, I really like using the scale for all parts of casting, it really helps in mixing the right amount of resin when pouring to avoid waste B)

    That's pretty weird :blink: since all mold rubbers are silicone based, even the quick curing ones. I've used different resins with different mold rubbers & never had the resin stick to them. As a factory rep for Alumilite I'll look into it a little more to see what may have caused it & post my findings here.

    As a side note, if anyone out there needs 1oz mixing cups(smooth or graduated), I get them from a medical supply house for 1/2 a penny each. Be happy to share some with fellow casters for cost + postage. :)

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