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. > |
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