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Old 04-25-2006, 10:30 AM
81fordf-250 81fordf-250 is offline
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Post Pro's and Con's of Methanol

i am also doing a paper on the alternative fuel called methanol. I would like to know some good and bad things about the fuel and cars that run on it?
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Old 04-25-2006, 01:32 PM
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Main problem with methanol is it's corrosiveness, it is pretty tough on fuel lines, aluminum, plastics, anything rubber...
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Old 04-25-2006, 01:59 PM
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check the wiki:

http://en.wikipedia.org/wiki/Methanol
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Old 04-26-2006, 10:32 AM
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The good things are very high octane, so you can run very high compression ratios and/or turbocharger boost, like in Champ Car racing engines. Methanol is most commonly made from natural gas (Methane, hence the name), so it is usually cheaper to make than ethanol.

Jim
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Old 04-26-2006, 11:07 PM
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Racers that use it drain and flush their fuel system after every race.
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Old 04-27-2006, 12:56 AM
J6Szczecin J6Szczecin is offline
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I believe methanol, is a wood based alchohol, as opposed to grain, and is highly toxic if consumed.
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Old 04-27-2006, 11:37 AM
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While it used to be "wood alcohol", modern manufacturing is different. One reason for E85 and not pure ethanol is that 15 percent gasoline is needed to make it toxic, so that people wont drink it and it doesnt have to be taxed as drinking alcohol. All alcohols have an affinity for water, and that is the main cause for the corrosion problem. Proper selection of fuel system materials is vital. If you are talking about someone converting an existing gasoline car, you have a problem. If the discussion is about a factory-built alternative fuel car, no real problem.

Jim
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Old 04-27-2006, 10:13 PM
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1: Methanol has a stoichiometric air/fuel ratio of 7 to 1 and so gives less than 50% the fuel mileage of gasoline.

2: Methanol is hard to light off - we used to squirt gas in the injectors of my dad's nascar modified to start it up.

3: used to be that methanol required neoprene hoses because of rubber deterioration.

4: methanol has fewer BTU/lb heat content and all horsepower increases were due to high compression (13-1 to 15-1 in our case)and increased spark advance. So it will give less horsepower on a stock engine.

4: Methanol burns with a blue flame that is almost invisible so is actually more dangerous. H2O is the way to put it out.

5: Used to be made by charring wood and collecting and condensing the vapors. Don't know what modern method it is made by.

6: Most likely it is not going to be available in large enough quantity to be affordable.

Hope I didn't miss anything.

Scucci

Last edited by scucci; 04-27-2006 at 10:23 PM.
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Old 04-27-2006, 10:38 PM
AlfredB1979 AlfredB1979 is offline
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Actually, Ethanol has Toluene added to denature it. At least that much.

I believe at the plant, the MSDS and lab test sheet we get before unloading the tanker states 5 gallons Toluene per 200 gallons of Ethanol.

Methanol is quite poisionous and judging from the supply boats that docked around the boat I worked on, it ain't no joke to deal with. Knowing the dolts who like to keep cellphones and cancer sticks (cigaretes ) nearby, that's a Darwin Award waiting to take you along for the ride.

http://www.bu.edu/es/labsafety/ESMSD...l#anchor888417

Flash point 12* C...sexy.
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Old 04-27-2006, 10:38 PM
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