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Re: CAVITATION MUSINGS.

To: Joe Hankins <jhankins@ix.netcom.com>
Subject: Re: CAVITATION MUSINGS.
From: Steven Laifman <av342@lafn.org>
Date: Sat, 20 Jul 1996 15:20:26 +0100
Joe

Good explanation, Joe, but I don't think you're suggesting running 
straight glycol is a viable recommendation.  Glycol is very poor, 
compared to water, as an absorber and conductor of heat.  You would get 
very poor cooling with pure glycol.  Its function, apart from the 
anti-corrosion additives in the jug (available seperately), is to 
increase the boiling point of the water - just like the pressure cap.  
As long as you can stop the water from boiling, thereby eliminating it's 
ability to transfer heat through the steam, you have a superior coolant.  
At 13 psi a 50% solution raises the water's boiling point to over 250 
deg. F. and allows it to function well.  Some of the parts may not like 
250 (like the gas in the lines, but the cooling benefit is still there.  
Over 50% and you're loosing.  While the boiling point is rising, the 
ability to absorb heat is decreasing, and your going to lose this game.
-- 
Steve Laifman         < Find out what is most     >
B9472289              < important in your life    >
                      < and don't let it get away!>

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