I do not remember the exact temperature but have always been told that when
it comes to freeze protection straight antifreeze will actually freeze
before a diluted mixture. Here is some other interesting info >
"Glycol % or Antifreeze % levels should range between 40% and 60% to ensure
proper freeze point protection. A high percentage of glycol can cause
additive drop out and shorten coolant life."
"We recommend that you use between a 50% and 70% concentration of
antifreeze. At least 50% is necessary to give the adequate amount of
corrosion protection, as well as freeze/boilover protection. However, we do
not recommend more than 70% antifreeze. This would cause restriction of the
heat transfer capabilities, corrosion protection, and freeze protection. "
Jerry
----- Original Message -----
From: "R.Measures" <r@somis.org>
To: "Roy Koeppe" <royanjoy@ncn.net>
Cc: "Amps Reflector" <amps@contesting.com>
Sent: Saturday, March 05, 2005 8:11 PM
Subject: Re: [Amps] water cooled...
> Thanks, Roy. This is doubtless why antifreeze manufacturers caution
> against using less than a certain percentage of water.
>
> On Mar 5, 2005, at 12:51 PM, Roy Koeppe wrote:
>
>>
>> Peter -- Which is the better coolant, pure ethylene glycol or pure
>> water?
>>
>>
>> I'm not Peter, but water is the better coolant (as far as absorbing
>> more
>> heat--corrosion is another matter).
>>
>> 73, Roy K6XK
>>
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>>
>>
>
> Richard L. Measures, AG6K, 805.386.3734. www.somis.org
>
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>
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