How about having Stan Wilder ceramic coat them???
We use ceramic rotors on our Midget Race cars and have them re-coated once a
year...disipates copious heat adn wears the pads not the rotos and may also
keep them from rusting??? Just a thought
Daryl
----- Original Message -----
From: "Kim Brennan" <kimbrennan@MAC.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Monday, August 16, 2004 11:53 AM
Subject: Rotor thoughts

> Okay, let's give this some thought about Rotors.
>
> They are made out of steel (not iron). Steel is an alloy of iron and
> carbon (often times with a few other miscellaneous additives). Steel
> (and Iron) will oxidize (rust), given exposure to Oxygen. Certain
> factors will accelarate this rusting such as salt.
>
> What can be done to minimize this rusting? Well the typical solutions
> are to coat the material so as to prevent exposure to Oxygen. This is
> impractical (paint) or unsafe (oil/grease) with brake rotors. Brake
> rotors are an ablative surface...i.e. it intentionally wears as it is
> used. This removes the rust from the wear surface. it does nothing on
> the other surfaces.
>
> Other ways to prevent rusting are to make the rotor out of non-rusting
> materials. Stainless steel is not a good choice as it's thermal
> characterics are horrible (it would warp or crack far too quickly.)
> Porsche has ceramic rotors. Incredibly expensive. Also somewhat
> fragile.
>
> Eric says his rotors are poorly manufactured. Most listees with
> experience find this a doubtful statement. It is not impossible
> however. Until or unless there is photographic evidence and micrometer
> measurements to support this, the rest of us will likely never know.
>