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#1
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Ethanol, or alcohol, mixes with any water. It's used up here by some in the
winter (auto engines) to pick up any condensation and so on to prevent gas line freeze. So, if the alcohol in the mix becomes saturated (with water), a drop in temperature will cause that water to be dumped, leaving the water in the fuel system ... especially not good in injected engines. If that's what's happening, maybe a water separator mounted close to the engine might be an idea? The dumping of water by saturated ethanol fuel caused by a drop in temperature is a fact ... but a 10% mix ... ??? "Larry Weiss" wrote in message ... Both of my power boats have developed severe engine hesitation problems. They run okay at idle but sputter and stall when revved. My mechanics have complained that they are seeing this problem left and right - and are blaming it on the gasoline, which around here (Long Island, NY) now contains 10% ethanol. I know ethanol is not good for rubberized fuel lines, but did not know it caused running problems (unless the fuel lines are deteriorating and clogging). The gas in each boat was purchased at a different fuel dock. If my mechanics are correct, this is a serious regional (national?) problem. Anyone else experiencing difficulty? Any comments or suggestions? How can we get gasoline without ethanol in it? How is the marine industry addressing this? Larry Weiss "...Ever After!" "a little after..." |
#2
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Nope 10% ethanol mixed with gasoline will result in the water component
forming into an emulsified form which doesnt separate readily. Actually the additional water content helps increase the "octane" number, and also helps to clean the piston ring grooves, blows the carbon out of the combustion chamber, etc. Some engines (back in 'muscle car days') used water injection to boost power output while helping to cool the combustion chambers. article gers.com, Bowgus wrote: Ethanol, or alcohol, mixes with any water. It's used up here by some in the winter (auto engines) to pick up any condensation and so on to prevent gas line freeze. So, if the alcohol in the mix becomes saturated (with water), a drop in temperature will cause that water to be dumped, leaving the water in the fuel system ... especially not good in injected engines. If that's what's happening, maybe a water separator mounted close to the engine might be an idea? The dumping of water by saturated ethanol fuel caused by a drop in temperature is a fact ... but a 10% mix ... ??? "Larry Weiss" wrote in message ... Both of my power boats have developed severe engine hesitation problems. They run okay at idle but sputter and stall when revved. My mechanics have complained that they are seeing this problem left and right - and are blaming it on the gasoline, which around here (Long Island, NY) now contains 10% ethanol. I know ethanol is not good for rubberized fuel lines, but did not know it caused running problems (unless the fuel lines are deteriorating and clogging). The gas in each boat was purchased at a different fuel dock. If my mechanics are correct, this is a serious regional (national?) problem. Anyone else experiencing difficulty? Any comments or suggestions? How can we get gasoline without ethanol in it? How is the marine industry addressing this? Larry Weiss "...Ever After!" "a little after..." |
#3
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On Wed, 22 Sep 2004 04:26:52 GMT, Rich Hampel
wrote: Nope 10% ethanol mixed with gasoline will result in the water component forming into an emulsified form which doesnt separate readily. Actually the additional water content helps increase the "octane" number, and also helps to clean the piston ring grooves, blows the carbon out of the combustion chamber, etc. Some engines (back in 'muscle car days') used water injection to boost power output while helping to cool the combustion chambers. I had forgotten about that. Must be getting old. Take care. Tom "The beatings will stop when morale improves." E. Teach, 1717 |
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