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#11
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Doug wrote: There is a whole new line of excellent plastic floats called Aerocets. Although I don't know how that is relevant. Because the toulene in 100LL melted the plastic floats in many carbs. Big STC to replace them about two decades ago. One thing about mogas, it is best to get the mogas that airports have .They typically get car gas that does not have the car gas additives. Total BS, most FBO's that sell mo gas are either small mom and pop operations that do not have a very large tank to ask the local distributer to eliminate the aditive package, or they only offer it because they are also using it for their ground equipment. Besides the additives are only detergents which would only help to get rid of carbon and lead deposits. The alcohol is added at the refienery not the distributer. No one really knows what these car gas additives will do to an aircraft engine. Also, keep in mind car gas is NO LEAD. Lead has lubrication and cushioning properties. BS! A myth created by the gas companies to discorage the government from eliminating lead, and an excuse for car companies to explain their valve failures. Aircraft engines are tested for compatibility before issuing the STC. My old Cessna had less problems on mogas than 100LL. No stuck valves on mogas. |
#12
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Well it is not TOTAL BS. I know for a fact that one mogas seller in
Colorado (where I get mine), gets his mogas the way I described. But you bring up a good point. How does one tell just what you are getting when you put in mogas or avgas? |
#13
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Denny wrote:
Jim, Those recommendations are based on the alcohol being wood alcohol - No. The EAA states this "Ethanol is often confused with methanol. These two alcohols have distinctly different characteristics; however, all STC's prohibit the use of gasoline containing alcohol - either methanol or ethanol." Those recommendations occur later on that page and apply to either ethanol or methanol. http://www.eaa.org/education/fuel/oxygenated.html George Patterson Why do men's hearts beat faster, knees get weak, throats become dry, and they think irrationally when a woman wears leather clothing? Because she smells like a new truck. |
#14
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But you bring up a good point. How does one tell just what you are getting when you put in mogas or avgas? If there are no visible contaminants, there is no water evident, and it smells like gasoline, I run with it -- and unless you have some sort of a chemical laboratory in your hangar, there's not much else you can do. Like so many other things in this world, it's really not worth the effort to worry about. -- Jay Honeck Iowa City, IA Pathfinder N56993 www.AlexisParkInn.com "Your Aviation Destination" |
#15
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On 31 May 2005 09:09:03 -0700, "Jay Honeck"
wrote: If there are no visible contaminants, there is no water evident, and it smells like gasoline, I run with it -- and unless you have some sort of a chemical laboratory in your hangar, there's not much else you can do. Like so many other things in this world, it's really not worth the effort to worry about. Thought there was some kind of easy test you could do by adding water to a sample of your fuel. Corky Scott |
#16
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Jay Honeck wrote: But you bring up a good point. How does one tell just what you are getting when you put in mogas or avgas? If there are no visible contaminants, there is no water evident, and it smells like gasoline, I run with it -- and unless you have some sort of a chemical laboratory in your hangar, there's not much else you can do. Like so many other things in this world, it's really not worth the effort to worry about. Me too. If it smells like it might burn I'll use it. |
#17
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T o d d P a t t i s t wrote: Corky Scott wrote: Thought there was some kind of easy test you could do by adding water to a sample of your fuel. There is. Water and gas don't mix. Water and alcohol do. Run to trash, find empty clear bottle (typically a water bottle), scratch mark at about 10% point near bottom, fill with water to that point, add gas, shake, let settle, see if the water level is higher. If it is, alcohol has moved from the gas to the water. Do not spin this aircraft. If the aircraft does enter a spin it will return to earth without further attention on the part of the aeronaut. (first handbook issued with the Curtis-Wright flyer) You got that backward, if the alcohol is present the water level will drop, not rise. |
#18
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Sport Pilot wrote:
You got that backward, if the alcohol is present the water level will drop, not rise. Nope, it will rise. The alchohol which had been mixed with the gas will now disolve in the water, the water level will rise. |
#19
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Sport Pilot wrote:
You got that backward, if the alcohol is present the water level will drop, not rise. No, he got it exactly right. The alcohol will come out of solution with the gasoline and mix with the water. The effect is that it appears that the water level rises. http://www.eaa.org/education/fuel/knopp_alcohol.html George Patterson Why do men's hearts beat faster, knees get weak, throats become dry, and they think irrationally when a woman wears leather clothing? Because she smells like a new truck. |
#20
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There is. You can get a graduated tube from eaa or make one yourself. You
add water to the lower line, gas to the upper line and shake for 30 seconds. After the water settles down to the bottom, you check to see if the line is in the same place. If it's higher, you have alcohol. The EAA tube will tell you the precentage. mike regish "Corky Scott" wrote in message Thought there was some kind of easy test you could do by adding water to a sample of your fuel. Corky Scott |
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