Me thinks you guys have too much time on your hands......
-----Original Message-----
From: Simon Favre <simon@mondes.com>
To: Malaboge@aol.com <Malaboge@aol.com>
Cc: vintage-race@autox.team.net <vintage-race@autox.team.net>
Date: Tuesday, October 26, 1999 9:40 PM
Subject: Re: To paint, or NOT to paint
>Actually, this IS a black and white decision. ;=) Physics tells us that
>a black body will be the most efficient at radiating heat. Now, in a
>race car at speed, the question is whether the air flow moving over the
>surface of the caliper takes more heat away than the radiation, and is
>the radiation of heat significant? Note that Brembo Aluminum calipers
>often appear in a black anodized finish. Of course, you see red calipers
>and silver calipers, etc. etc. etc. Given sufficient air ducting, the
>color may not make a whit of difference. If you want the calipers to
>shed as much heat as possible, then I would recommand a flat black or
>satin black finish. A shiny, glossy finish can actually reflect heat
>back in, even if it's black.
>
>Malaboge@aol.com wrote:
>>
>> I know this will bring out the zealots from all camps...but, what is the
>> opinion of whether or not to paint brake calipers?
>> And if the opinion is for paint, should it be black or white?
>>
>> My first thought are to leave them natural as that will probably allow
the
>> most heat transfer to the air, but they will probably end up rusty and is
>> that better or worse?
>>
>> Never a black or white decision...
>> Nick of Nor Cal
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