Okay let's beat a dead horse, I just checked density and energy density on Gasoline, Gasohol, Ethanol and Methanol. Ethanol is more dense than gasoline- gasoline runs .71-.77 but Ethanol is .789 and if is has any water in it it'll be more dense (mix 1 cc of water with 1cc of ethanol- the resulting mixture will occupy about 1.97cc'c). It might very well have water in it, pure ethanol will absorb water from the air, I'm thinking that they blend 180-190 proof (90-95%) into gasoline. Looking at the Energy Density- or how much energy is in the fuel by weight- Gasoline 46.4 MJ (MilliJoules?)per gram, Gasohol (10% ethanol 90% gasoline) 43.54 MJ/g, Ethanol 30MJ/g and Methanol 19 MJ/g. I wonder if the detonation and resulting melted pistons is a function of the engine being lean. I say lean because we mix the fuel with air by volume but we see with 10% alcohol the mixture has fewer MJs or BTUs (energy). Could the lower energy input in the cylinder mean the combustion is hotter as it would be if the engine is to lean? Or does Alcohol burn hotter than Gasoline?Here in Wisconsin Shell and BP advertise alcohol free premium gasoline.
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Today's Featured Article - Tractor Profile: Earthmaster - by Staff. This tractor, manufactured by the Earthmaster Farm Equipment company in Burbank, California was made for only two years. The Model C came out in 1948 and was followed by the "CN" (narrow-width model), "CNH (narrow-width high-crop model), "CH" (high-crop), "D" and the "DH" (high-crop) in 1949. The main difference between the models was tire size, tractor width and cultivating height. The "D" series were about 20 inches wider overall than the
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1964 I-H 140 tractor with cultivators and sidedresser. Starts and runs good. Asking 2650. CALL RON AT 502-319-1952
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