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Title: Lambda meter usage with of ethanol and CNG Post by: ABCD on April 18, 2012, 02:43:06 AM Hi,
Normally, when “gasoline” is used as fuel, then to maintain stoichiometric ratio, lambda is maintained at 1 (AFR =14.7). But, when different fuels are use i.e.: 1. “CNG” (Compressed natural gas), 2. “Gasoline having 25% ethanol by volume” (commonly called as E25), How is stoichiometry maintained. Is there a diff setting to be done in the lambda meters? Regards Aditya Title: Re: Lambda meter usage with of ethanol and CNG Post by: NOTORIOUS VR on April 18, 2012, 06:19:20 AM Lambda 1 = stoichiometric regardless of fuel type
Title: Re: Lambda meter usage with of ethanol and CNG Post by: Snow Trooper on April 18, 2012, 09:11:36 AM Nvr, I always try to explain that and people don't get it.
That ar thread where people were talking about e85 showed who doesn't know what they are talking about lol. Title: Re: Lambda meter usage with of ethanol and CNG Post by: jibberjive on April 18, 2012, 09:27:27 PM Yeah, lambda is fuel-independent, but I'm curious if the best lambda for CNG is the same/similar as that for gas (I know E85 and gasoline are approx. the same, but haven't looked into CNG at all)? What is lean/rich best torque for CNG?
Title: Re: Lambda meter usage with of ethanol and CNG Post by: thom337 on April 19, 2012, 06:27:56 AM CNG is largely CH4 which has an AFR of ~ 17.2:1 by my calcs.
Title: Re: Lambda meter usage with of ethanol and CNG Post by: NOTORIOUS VR on April 19, 2012, 07:00:07 AM (http://www.wak-tt.com/mods/boostmachine/lambdatable.jpg)
(http://i.imgur.com/eS0ex.jpg) Title: Re: Lambda meter usage with of ethanol and CNG Post by: ABCD on April 26, 2012, 03:27:00 AM Guys, i still dont have info about E25..anybody?
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