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Freezing Point of Avgas

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Old 27th Feb 2002, 00:40
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Question Freezing Point of Avgas

Can anyone tell me the freezing point of Avgas.

Thanks.

The Gimp
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Old 27th Feb 2002, 00:55
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It's the point were your fuel gels in the line and kills your engines and you if your not careful.
 
Old 27th Feb 2002, 02:15
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Can't tell you the exact point at which Avgas freezes but i know that the ig Continentals had problems below -23c. Continental Aircraft ESB M73-3R3 advise a mix of Isopropryl alcohol of 1% by Vol
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Old 27th Feb 2002, 02:24
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Didn't know the answer before this question was posted, but found out the freezing point of 100LL is -58C.

See this website:. .<a href="http://www.purvisbros.com/aviation/avgspec.htm" target="_blank">www.purvisbros.com/aviation/avgspec.htm</a>

It's amazing what you can find on the internet.

It's amazing how much time one can waste on the internet...Yes, honey, I'll be off in a minute!

[ 26 February 2002: Message edited by: Look Up ]</p>
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Old 27th Feb 2002, 02:27
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Just found this on Chevron's web site . . [quote]To avoid hydrocarbon crystallization, the avgas specifications require the freezing point of avgas to be less than –58ºC (–72ºF). . . <hr></blockquote>. .All you wanted to know about Aviation fuels <a href="http://www.chevron.com/prodserv/fuels/bulletin/aviationfuel/toc.shtm" target="_blank">Here</a>

[ 26 February 2002: Message edited by: 100LL ]</p>
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Old 27th Feb 2002, 03:06
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Angel

Holy Sh!t that was quick. Thanks to all.

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Old 2nd Mar 2002, 16:35
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Avgas itself may freeze at a very low temperature but any water in solution or fuel additives may cause problems well before -5o ish
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