Re: [biofuel] Re: Ethanol compression/mileage
same as gasoline. NOx is produced when nitrogen is involved in combustion. air is 70% nitrogen. a catalytic converter takes care of this nicely. Steve Spence Subscribe to the Renewable Energy Newsletter: http://www.webconx.com/subscribe.htm Renewable Energy Pages - http://www.webconx.com Palm Pilot Pages - http://www.webconx.com/palm X10 Home Automation - http://www.webconx.com/x10 [EMAIL PROTECTED] (212) 894-3704 x3154 - voicemail/fax We do not inherit the earth from our ancestors, we borrow it from our children. -- - Original Message - From: "Freed" <[EMAIL PROTECTED]> To: Sent: Wednesday, May 23, 2001 7:41 PM Subject: Re: [biofuel] Re: Ethanol compression/mileage > Hi folks, > Just wondering on this. In gasoline engines increasing compression increases > NOx. > (nitrogen oxides) > What NOx emissions are produced with ETOH? (ethanol) > Thanks, > Jay in Carson City > > Grendel wrote: > > > You don't have to raise the compression to run ethanol but you can if you > > want to. You can run a higher compression ratio using ethanol especially if > > your engine has an aluminum head. > > > > What are the advantages for higher compression? simply more power or, as > > someone stated, better mileage? > > > > This is for a motorcycle, BTW. > > > > Biofuel at Journey to Forever: > > http://journeytoforever.org/biofuel.html > > Please do NOT send "unsubscribe" messages to the list address. > > To unsubscribe, send an email to: > > [EMAIL PROTECTED] > > > > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ > > > Yahoo! Groups Sponsor > > Yahoo! Website Services- Click Here! > > > Biofuel at Journey to Forever: > http://journeytoforever.org/biofuel.html > Please do NOT send "unsubscribe" messages to the list address. > To unsubscribe, send an email to: > [EMAIL PROTECTED] > > Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service. > > Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Please do NOT send "unsubscribe" messages to the list address. To unsubscribe, send an email to: [EMAIL PROTECTED] Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
Re: [biofuel] Re: Ethanol compression/mileage
more power, more efficiency, better mileage if you keep your foot outta the carb. Steve Spence Subscribe to the Renewable Energy Newsletter: http://www.webconx.com/subscribe.htm Renewable Energy Pages - http://www.webconx.com Palm Pilot Pages - http://www.webconx.com/palm X10 Home Automation - http://www.webconx.com/x10 [EMAIL PROTECTED] (212) 894-3704 x3154 - voicemail/fax We do not inherit the earth from our ancestors, we borrow it from our children. -- - Original Message - From: "Grendel" <[EMAIL PROTECTED]> To: Sent: Wednesday, May 23, 2001 12:38 PM Subject: [biofuel] Re: Ethanol compression/mileage > You don't have to raise the compression to run ethanol but you can if you > want to. You can run a higher compression ratio using ethanol especially if > your engine has an aluminum head. > > What are the advantages for higher compression? simply more power or, as > someone stated, better mileage? > > This is for a motorcycle, BTW. > > > > Yahoo! Groups Sponsor > > www. > > > > > > Biofuel at Journey to Forever: > http://journeytoforever.org/biofuel.html > Please do NOT send "unsubscribe" messages to the list address. > To unsubscribe, send an email to: > [EMAIL PROTECTED] > > Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service. > > Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Please do NOT send "unsubscribe" messages to the list address. To unsubscribe, send an email to: [EMAIL PROTECTED] Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
Re: [biofuel] Re: Ethanol compression/mileage
>Hi folks, >Just wondering on this. In gasoline engines increasing compression increases >NOx. >(nitrogen oxides) >What NOx emissions are produced with ETOH? (ethanol) >Thanks, >Jay in Carson City Well, you're starting off with less. * High-level ethanol blends reduce nitrogen oxide emissions by up to 20% * Ethanol's high oxygen content reduces carbon monoxide levels more than any other oxygenate: by 25-30%, according to the US EPA * Ethanol blends dramatically reduce emissions of hydrocarbons, a major contributor to the depletion of the ozone layer * Ethanol can reduce net carbon dioxide emissions by up to 100% on a full life-cycle basis * High-level ethanol blends can reduce emissions of Volatile Organic Compounds (VOCs) by 30% or more (VOCs are major sources of ground-level ozone formation) * As an octane enhancer, ethanol can cut emissions of cancer-causing benzene and butadiene by more than 50% * Sulphur dioxide and Particulate Matter (PM) emissions are significantly decreased with ethanol. Keith Addison Journey to Forever Handmade Projects Tokyo http://journeytoforever.org/ >Grendel wrote: > > > You don't have to raise the compression to run ethanol but you can if you > > want to. You can run a higher compression ratio using ethanol especially if > > your engine has an aluminum head. > > > > What are the advantages for higher compression? simply more power or, as > > someone stated, better mileage? > > > > This is for a motorcycle, BTW. Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Please do NOT send "unsubscribe" messages to the list address. To unsubscribe, send an email to: [EMAIL PROTECTED] Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
Re: [biofuel] Re: Ethanol compression/mileage
Hi folks, Just wondering on this. In gasoline engines increasing compression increases NOx. (nitrogen oxides) What NOx emissions are produced with ETOH? (ethanol) Thanks, Jay in Carson City Grendel wrote: > You don't have to raise the compression to run ethanol but you can if you > want to. You can run a higher compression ratio using ethanol especially if > your engine has an aluminum head. > > What are the advantages for higher compression? simply more power or, as > someone stated, better mileage? > > This is for a motorcycle, BTW. > > Biofuel at Journey to Forever: > http://journeytoforever.org/biofuel.html > Please do NOT send "unsubscribe" messages to the list address. > To unsubscribe, send an email to: > [EMAIL PROTECTED] > > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Please do NOT send "unsubscribe" messages to the list address. To unsubscribe, send an email to: [EMAIL PROTECTED] Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
Re: [biofuel] Re: Ethanol compression/mileage
Please respond to biofuel@yahoogroups.com To: biofuel@yahoogroups.com cc:(bcc: Joseph Martelle/US/GM/GMC) Subject: [biofuel] Re: Ethanol compression/mileage You don't have to raise the compression to run ethanol but you can if you want to. You can run a higher compression ratio using ethanol especially if your engine has an aluminum head. What are the advantages for higher compression? simply more power or, as someone stated, better mileage? ~~~Both. Joe This is for a motorcycle, BTW. Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Please do NOT send "unsubscribe" messages to the list address. To unsubscribe, send an email to: [EMAIL PROTECTED] Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Please do NOT send "unsubscribe" messages to the list address. To unsubscribe, send an email to: [EMAIL PROTECTED] Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
RE: [biofuel] Re: Ethanol compression/mileage
Grendel writes: >You don't have to raise the compression to run ethanol but you can if you >want to. You can run a higher compression ratio using ethanol especially if >your engine has an aluminum head. > >What are the advantages for higher compression? simply more power or, as >someone stated, better mileage? Higher compression gives you a greater expansion ratio which leads to greater efficiency of the combustion process. That was the purpose of lead in fuels was to allow greater compression which gave more performance for a given weight of engine and volume of fuel. >This is for a motorcycle, BTW. Any IC engine. The heat problems related to earlier are because of increased combustion chamber pressures and the greater power out. Aluminum heads help by conducting excess heat. Any IC engine. The heat problems related to earlier are because of increased combustion chamber pressures and the greater power out. Aluminum heads help by conducting excess heat. Alcohol has a higher knock resistance which allows greater compression ratios. If I remember correctly, it can take up to 14:1 before heating of the compressed FA mixture starts pre igniting. The greater fuel flow requirements of alcohol are because of its much lower Stoichimetric ratios. Pump gas is around 14.1:1 and alcohol is as low as 8.2:1. Again, I do not have my reference material here so the figures may be slightly off. This very low sotic ratio is one of the reasons alcohol is used in racing applications. The large flow of fuel helps cool things. Alcohol also expands quickly which in turn slightly cools the incoming FA mixture allowing a slightly heavier charge. The low stoic is the reason of the greater fuel consumption of alcohol over pump gas. The amount of energy power charge is the same but it takes significantly more volume of alcohol than gasoline. Some of that may be gained back by increased compression ratios. Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Please do NOT send "unsubscribe" messages to the list address. To unsubscribe, send an email to: [EMAIL PROTECTED] Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
