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914World.com _ 914World Garage _ (OT) Reflective values of paint

Posted by: Randal Mar 15 2006, 05:46 PM

The question is whether or not to power coat the pickup bed cover as show in the link following:

http://www.redsbeds.com/index.html

So on a sunny / hot day will white or silver work better to keep my race tires cooler?

Posted by: J P Stein Mar 15 2006, 05:51 PM

Yellow is best for bout everything

Posted by: davep Mar 15 2006, 05:56 PM

Technically I think you are correct. Both white and silver tend to be reflective through the full spectrum. The red, actually infrared, end of the spectrum is where the heat is. Possibly a red car would also reflect the red end of the spectrum enough to be noticeable, afterall, the color you see is the color that is reflected and not absorbed.

Dave, the mad physicist

Posted by: TimT Mar 15 2006, 06:04 PM

I like that bed cover, any idea how much they cost?

Posted by: Eddie Williams Mar 15 2006, 06:10 PM

Yeah, I'm diggin' that bed cover... are you ordering direct?

Posted by: SirAndy Mar 15 2006, 06:15 PM

QUOTE (Randal @ Mar 15 2006, 03:46 PM)
So on a sunny / hot day will white or silver work better to keep my race tires cooler?

white/silver is certainly better than flat black ...

also, you probably want to leave parts of the cover open, so air can circulate ...
Andy

Posted by: Randal Mar 15 2006, 08:06 PM

QUOTE
I like that bed cover, any idea how much they cost?

They run about $750 silver, $150 for powder coating.

Posted by: kwales Mar 15 2006, 08:24 PM

White is best for cool.....

There is a reason the top of the Space Shuttle is white......

The REALLY REALLY EXPENSIVE black CarbonCarbon tiles on the bottom just don't care what color they are...

Almost no heat transmision (unless there is a hole)

Ken