the av-gas was called 115/145, but has not been available for many years
current av-gas is called 100LL, it is 100 octane with about 1/8 of the lead of the older 100/130 octane av-gas
btw, the dual octane rating was to denote the "lean mixture octane rating" and the "rich mixture octane rating"
on airplanes we can adjust the mixture "on-the-fly" lol, usually full rich is used for full power, like for takeoff and initial climb, and a leaner mixture is used for cruise
scott
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It was back in the late '70's and early '80's when we used to get it at the Airport. The only Aviation fuel that I had first hand dealings with on a regular basis was JP-4 that we used in the Kiowa's,Cobra's and Huey's back in the early '70's and '80's.
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Jason Montague New MemberLifetime Supporter
Jason
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