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Old 03-09-2011, 07:34 PM   #18 (permalink)
jakobnev
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Quote:
Originally Posted by Old Tele man View Post
...well, notable differences between gasoline and ethanol are:

gasoline (C8H16)... 115,400 BTU/gal; A/F = 14.7:1 ...%Oxygen = 0%
ethanol (C2H5(OH))...75,670 BTU/gal; A/F = 9.0:1 ...%Oxygen = ~35%


...and, thus, ethanol has only 70% energy density of gasoline.

...and, E85 content is 15% gasoline and 85% ethanol.
I was trying to ask him how the engines would be different. (Besides obvious things like AF-ratios.)
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