Jump to content
Model Cars Magazine Forum

Mad Cat - Bill Thomas' Cheetah


mad mike

Recommended Posts

Greetings to all you big scale modelers!

I'm new to this forum, and generally not the forum type, but since there's a whole bunch of one-eighth fans around here,

I wanted to share my work with you. The first car I did in 1/8 was the fabulous Cheetah by Bill Thomas and Don Edmunds.

The model is curbside (no engine or chassis), with the body carved from rigid foam and the details mostly made with rapid prototyping.

She had the honor of being the first because to me, this car is sex on wheels. So, have a look...

DSC_0020.jpg

DSC_0024.jpg

DSC_0026.jpg

DSC_0029.jpg

Man, this view is just great :angry:

Edited by mad mike
Link to comment
Share on other sites

@ Plasticfanatic: That hollowing was a messy job. I did it after casting a mould of the body.

To get access, I cut off the roof and carved it all out.

DSC_0019.jpg

Messy alright, and dusty too!

Edited by mad mike
Link to comment
Share on other sites

@ Cato: Nope, I'm not using RenShape. Or maybe, yes - it's hard to tell, because I have used leftovers from industrial modeling until now.

Basically, it doesn't matter what brand of KBM (Kunststoffblockmaterial - "Plastic block material") you use.

As far as I know, it's always foamed Polyurethane, and the only difference may be in the foaming process, influencing the structure a bit.

The main difference is about the density of the stuff, which is coded by the color

(but the makers may have different colors for their densities of course.)

Choosing the right density is crucial, because a light density means easiest carving, but sharp edges (e.g. fender flares) are damaged easily.

Also, the bigger the chambers in the foam structure, the bigger your problems at the filler stage are.

My observation is, that light foam produces a really heavy orange peel when fillered. You can add a thick filler and sand the peel down,

but the filler will continue to set down for months and you will see the peel again in the paintjob. It happened with the Cobra...

Heavier density foam is harder to carve, but the filler and edge issues are not as bad.

Personally, I found that density around 0,3 grams per cubic cm works best for me.

The main issues about the stuff are availability and price. I hope for you that in the US it's easier to get.

After all, it is pro material used in the rapid tooling process by industrial modelers. I found that they charge absurd prices in hobby shops for it.

I'd really like to support all you modelers out there with the know-how I've got about industrial modeling,

because the opportunities are countless. I thought about writing a book about it (like those Kalmbach how-to paperbacks),

but I'm not sure wether it would sell.

Link to comment
Share on other sites

  • 2 weeks later...
  • 2 weeks later...

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

×
×
  • Create New...