<VV> White pushrod tubes

[Macdonald David]

I painted mine black using the same paint as the
shrouds. My observations:

1) They are not leaking yet. They have been on 6
months and about 600 miles.

2) I just checked the garage and they are REALLY cold.
(I'm in Massachusetts)

David 




--- "N. Joseph Potts" <pottsf@msn.com> wrote:

> Dave -
>      White reflects RADIANT heat. Pushrod tubes are
> subject to CONDUCTIVE
> heat (from the heads) and CONVECTIVE heat (from the
> cooling airstream).
> White will shed all the RADIANT heat they are
> exposed to, which is zero. And
> yes, black will ABSORB all that radiant heat (still
> zero). No effect on
> conductive or convective heat.
> 
> Joe Potts
> Miami, Florida USA (plenty of all kinds of heat
> here)
> 1966 Corsa coupe 140hp 4-speed with A/C
> 
> -----Original Message-----
> From: virtualvairs-admin@corvair.org
> [mailto:virtualvairs-admin@corvair.org]On Behalf Of
> Dave Morris
> Sent: Friday, February 04, 2005 3:29 PM
> To: virtualVairs@corvair.org
> Subject: Re: <VV> White pushrod tubes
> 
> I'm sure NASA will be pleased to hear that they can
> change the colors they
> have been using.  And I'm sure all of us who are
> building aircraft that
> have to be painted white so they don't overheat will
> be pleased to hear we
> can now paint our airplanes a different color.
> 
> On the other hand, I'll bet I can come up with a ton
> of references in the
> next 2 minutes that say white reflects heat better
> than any other
> color.  I'll bet anybody who knows how to use Google
> can too.  To wit:
> 
> "On a 90 degrees F / 32.2 C clear sunny, day in
> Austin Texas, a white roof
> had a temperature of 110 degrees F / 43.3 C, an
> aluminum coated roof, 140
> degrees F / 60 C, while a black, single ply roof, a
> temperature of almost
> 190 degrees F / 87.8 C (yes, one hundred and ninety
> degrees Fahrenheit,
> eighty seven plus degrees Celsius). "
> 
> etc. etc. etc. etc.
> 
> Dave Morris
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