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1. 10:18 PM - Vapor Lock and E-10 mogas (TheWanderingWench)
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| Subject: | Vapor Lock and E-10 mogas |
In this month's issue of Ultraflight magazine, in Rotax Talk by Ronnie Smith, he
says (for those of us using two-strokes and E-10 mogas):
"Remember also that there will be an altitude limit on the use of this 10% [ethanol
gas]. I think it's around 7500 ft. MSL. Why? Well, car gas will start to
vapor lock at higher altitudes so you have to watch this."
He goes on to say that if we're flying about 7500 ft MSL we should use 100LL which
has a lower vapor pressure than auto gas.
Anyone heard of this? Had this happen? I know I'll be flying above 7500 MSL on
my flight to Florida and am curious if any of you other two-strokers have ever
experienced this or heard of it.
Arty Trost
Sandy, Oregon
www.LessonsFromTheEdge.com/uladventure2009.htm
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