The following are three sequential letters from G at www.HempCar.org relative to home trials of biodiesel/gas/grain alcohol blends in a two stroke moped. HempCar traveled ~12,000 miles last summer on B-100 from hemp seed oil.
Todd Swearingen ----- Original Message ----- > > Sent: Tuesday, April 09, 2002 9:58 PM > > Subject: Re: Heya... > > > > > hey man...here's the pic of the car....funny story, while in dc a friend > > > gave me a (very nice) vintage motobecan moped because he's moving to > > > cali. i brought it home in the hempcar...earlier today i was feeling > > > spunky so i pulled the carb, washed out the gum and stuck it on...fired > > > right up and ran pretty good...once i ran it out of premix i decided to > > > have some fun and mix up a batch of denatured corn alcohol, gas and hemp > > > bio-d, just to see what would happen...well i fired it up and when the > > > alcohol got to the motor it started running really smooth and throaty so > > > i hopped on and vroom, big acceleration boost...while driving i noticed > > > the distinct wonderful smell of hemp oil and when i turned around to > > > look the 2 cycle smoke had turned white as usual when hemp oil is > > > involved... so there you have it, another successful enviro vehicle on > > > the road...gettin about 150 mpg at 30 mph! The carb is so ridiculously > > > simple that i'm thinking there may be enough tolerance to run straight > > > alcohol and bio-d, we'll see as the experiment progresses....i can > > > always open up the jet some...so question: i've always wondered how > > > bio-d would do as the lubricating fraction in a 2 cycle...so far the > > > motor seems to run great...any ideas or knowledge about the lubricity > > > element here? ever heard about bio-d used in 2 cycles? i know it's > > > supposed to be a wonderful top end lubricant... > > > > > > peace/love > > > > > > g -------------- Sent: Thursday, April 11, 2002 10:42 PM Subject: update... > hey man, found this piece on the biofuels board...i put a few more miles > on the motor today and i have to tell you, it's running better than i > could have dreamed..when running on gas the best speed i could get was > about 28 mph, just got it up to 36 mph, engine idles smooth and puts out > a much more throaty growl..i'll keep at it but it looks good for your > chainsaw escapade, and the motor seems to like the alcohol, in which > transesters are miscible but not two stroke oil.. > > peace-g > > Dear Jason, If you want to use ethanol in a two stroke engine, it > seems like you would also want to switch to biodiesel as the > lubricant. The whole point of using ethanol for a two cycle engine, > to me, at least, sould be to eliminate those horrible asphyxiating > fumes from the exhaust. Now, since a two cycle engine relies on the > fuel source coming in from the crankcase, we normally think it has > to be oil, right? But biodiesel is oil, pretty much, and has great > lubrication properties. Plus, it does mix with ethanol, whereas oil > does not. Ethanol is a polar molecule, like water, but oil is made > of non-polar molecules, and for the most part, polar and non-polar > molecules don't mix. I imagine that biodiesel would in itself be a > good 2 cycle fuel. A lot of 2 stroke engines I have used, such as > chain saws and snowmobiles don't really require a very high > percentage of oil mixed in, usually only one part per 20 parts. > Biodiesel is mostly vegetable oil, but has gone through an > esterification process, typically with ethanol or methanol as the > trans-esterification agent. However, having said all this, all I can > really say is try it. You do need to find out about the fuel pump, > as sited below. I have extensive experience making and using ethanol > as a replacement for gasoline, but only limited hands on experience > with biodiesel. I have attended various conferences on biofuels over > the years, and there are lots of resources out there on this > subject. By the way, if you want to try and to buy some synthetic > oil (the oil industry's deceptive name for biodiesal), try Mobil > One, or AmsOil. These are really biodiesals which have all the SAE > (society of Automotive engineers) stamps of approval and mix easily > with ethanol The only problem is they are three to four times more > expensive per quart than regular oil. Cheers, Robert Warren ---------------- Sent: Thursday, April 11, 2002 10:42 PM Subject: update... > found this today... > > Ethanol is more than just an automotive fuel additive. Ethanol blends > have been proven to perform in the small two-cycle engines that power > many of the tools used around our homes. A recent test of small > two-cycle engines using Ethanol blends found that after more than 1,300 > hours of rigorous operation, not a single fuel-related problem was detected. > > So, i took the plunge and started running my motor on pure > corn/hemp...unbelievable...it's crazy how much better it runs...i was > able to crank the idle down to a slow lope and i hit a new speed record > 40+ mph (the speedo tops out at 40 and the thing is only supposed to go > 30) but i was gaining speed with the speedo pegged. Vibration has > decreased, the motor runs cooler...geez this is fun!!!! Now to find > alcohol in this retarded state for less than $10/gal...a few years back > grain was 'outlawed' (although one can still purchase 151...gee it's not > a conspiracy)..I remember buying grain from the abc store for approx $3/gal... > > we're gonna put up a site about this...i noticed that sierra (fools) are > pushing to outlaw the two stroke... > > G ------------------------ Yahoo! Groups Sponsor ---------------------~--> Buy Stock for $4 and no minimums. FREE Money 2002. http://us.click.yahoo.com/orkH0C/n97DAA/ySSFAA/FGYolB/TM ---------------------------------------------------------------------~-> 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/
