In a cold weather climate, special additions are made to heat the oil faster, sooner, and hotter.
we are working on a addition that warns you if you fail to switch back to diesel/biodiesel. the easiest way is to clean up a gelled system is to put the vehicle in a heated garage, and flush the system with diesel. i have not tried running a system on rancid oil, but mostly rancidity is taste, and diesels don't care about taste. there are biocides available for diesel, and biodiesel, but I don't think they'd work with svo. Steve Spence Subscribe to the Renewable Energy Newsletter: http://groups.yahoo.com/group/webconx Renewable Energy Pages - http://www.webconx.dns2go.com/ Human powered devices, equipment, and transport - http://www.webconx.dns2go.com/2000/humanpower.htm [EMAIL PROTECTED] ----- Original Message ----- From: "Peter A Tangren" <[EMAIL PROTECTED]> To: "steve spence" <[EMAIL PROTECTED]> Cc: "3rdworldenergy" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>; "allenergy" <[EMAIL PROTECTED]>; "alternatepower" <[EMAIL PROTECTED]>; "BFIC" <[EMAIL PROTECTED]>; "bio-oil" <[EMAIL PROTECTED]>; "Biodiesel - Egroups" <[EMAIL PROTECTED]>; "Biofuel - Egroups" <biofuel@egroups.com>; "biofuels-biz" <[EMAIL PROTECTED]>; "BiomassGroup" <[EMAIL PROTECTED]>; "EcoPages_Newswire" <[EMAIL PROTECTED]>; "Energy - WebConX" <[EMAIL PROTECTED]>; "future9" <[EMAIL PROTECTED]>; "green-energy-options" <[EMAIL PROTECTED]>; "homeenergysolutions" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>; "sustainablenrg" <[EMAIL PROTECTED]>; "vegoil-diesel" <[EMAIL PROTECTED]>; "wastewatts" <[EMAIL PROTECTED]> Sent: Monday, July 22, 2002 9:14 AM Subject: Re: [renewable-energy] Adventures of the "Fry Guys" > > The use of SVO intrigues me but I have a few questions that I would like > have answered. > > What is the viability of using SVO in a cold weather climate such a > Minnesota where we have about 5 months of cold weather? > If the vehicle operator fails to purge the fuel lines, injectors and > injection pump of SVO with straight diesel/bio-diesel and the SVO > solidifies, what is the best method for removal or clean up? > If the SVO is not used for a period of time in warm weather and goes > rancid, will this affect the performance of the fuel/engine? > > Thanks for your input. > > Best Regards > > Peter A. Tangren > Tel 952.887.2211 > [EMAIL PROTECTED] > > > > > "steve spence" > <[EMAIL PROTECTED] To: "Energy - WebConX" <[EMAIL PROTECTED]> > x.com> cc: <[EMAIL PROTECTED]>, > <[EMAIL PROTECTED]>, > 07/15/2002 <[EMAIL PROTECTED]>, "wastewatts" > 10:15 PM <[EMAIL PROTECTED]>, "vegoil-diesel" > <[EMAIL PROTECTED]>, "sustainablenrg" > <[EMAIL PROTECTED]>, "homeenergysolutions" > <[EMAIL PROTECTED]>, "future9" > <[EMAIL PROTECTED]>, "EcoPages_Newswire" > <[EMAIL PROTECTED]>, "BiomassGroup" > <[EMAIL PROTECTED]>, "bio-oil" > <[EMAIL PROTECTED]>, "alternatepower" > <[EMAIL PROTECTED]>, "allenergy" > <[EMAIL PROTECTED]>, "biofuels-biz" > <[EMAIL PROTECTED]>, "BFIC" <[EMAIL PROTECTED]>, > "3rdworldenergy" <[EMAIL PROTECTED]>, "Biofuel - > Egroups" <biofuel@egroups.com>, "Biodiesel - Egroups" > <[EMAIL PROTECTED]>, "green-energy-options" > <[EMAIL PROTECTED]> > Subject: [renewable-energy] Adventures of the "Fry > Guys" > > > > > > Once upon a time, and far far away, > > Greg Yohn & Steve Spence (The "Fry Guys") started converting Greg's '85 VW > Jetta to dual fuel use; Biodiesel/diesel & SVO. The process was and still > is > simple. Startup the car on diesel (or biodiesel), use the heat from the > engines coolant to heat SVO, and when it gets up to temperature, switch > over > to SVO. When its time to shut down, flip back to diesel (biodiesel) to > clean > the injection system of SVO, which can coagulate or coke. They drew up the > idea on paper, and after making several visits to the hardware store, built > an ugly and sort of working system. It did run, but.... > > Skip ahead to the present. > > Greg's '98 VW Jetta TDI is running a professionally designed and installed > system. Steve and Greg have been having fun making friends with the > restaurant owners, collecting and filtering oil, showing off the system, > and > performing general evangelism. Winning converts, they now introduce..... > > The "Fry Guys" WVO Conversion system. > > The following diagrams, pictures and text represent a state of the art dual > fuel system. The stock tank for diesel or biodiesel, and a second heated > tank for Waste Vegetable Oil. > > http://www.webconx.dns2go.com/2000/biofuel/yohn/ > > THE COST OF HYDROGEN > > To the Editor: > > In the March issue, Harry Hutchinson reported on a novel water > electrolysis system to produce gaseous hydrogen in filling stations for > future hydrogen-powered vehicles. The system, called H20asis, produces 1 M3 > of H2 at standard conditions with an electric energy input of 5.6 kWh. > Since > H2 has a heating value of about 320 BtU/ft.3 or 3.31 kWh/m3, the > electrolysis system has a respectable efficiency of 59 percent. However, > the > electric power necessary to produce the hydrogen requires a primary fossil > or nuclear input. The thermal efficiency of a modern natural gas-fired > power > plan is about 40 percent and the efficiency of an clectric transmission > grid > is about 95 percent. Since the efficiency of a vehicle fuel cell is 40 > percent at best, the overall well-to-wheel efficiency for a hydrogen fueled > vehicle would be only 10 percent, whereas the well-to- wheel efficiency of > a > comparable hy-brid IC engine vehicle is about 30 percent. Moreover, > assuming > electricity were 4 cents per kWh, the thermal energy in the hydrogen would > cost about $20 per MBtu compared to natural gas at about $3 per MBtu. even > if the hydrogen conversion system were free. These numbers suggest that an > energy policy expecting hydrogen to replace oil gas as the transportation > fuel in the near future is econonically unrealistic. Furthermore, since the > production Of C02 is roughly inversely proportional to the overall > well-to-wheel efficiency, a hydrogen transportation system would produce > about three times as many greenhouse gases as a transportation system based > on hybrid technology similar to that used in the Prius cars imported from > Japan. It is, therefore, most disconcerting to learn that U.S. Secretary of > Energy Abrams announced recently that R&D funding to produce an American > hybrid vehicle has been terminated and that in its place future support > would be given to the Freedom Car, a private-public partnership to develop > a > hydrogen-powered fuel-cell vehicle. <signed> Frank Kreith, PE, Boulder > Colo. > [Editor's note: The writer is editor-in-chief of the CRC Handbook of > Mechanical Engineering]. Source: Mechanical Engineering Magazine June 2002 > > > > Steve Spence > Subscribe to the Renewable Energy Newsletter: > http://www.webconx.com/subscribe.htm > > Renewable Energy Pages - http://www.webconx.dns2go.com/ > Human powered devices, equipment, and transport - > http://www.webconx.dns2go.com/2000/humanpower.htm > [EMAIL PROTECTED] > > > ========================================================== > THANK YOU FOR PARTICIPATING IN THE RENEWABLE ENERGY LIST. > ---------------------------------------------------------- > . Please feel free to send your input to: > [EMAIL PROTECTED] > . Join the list by sending a blank e-mail to: > [EMAIL PROTECTED] > . To unsubscribe from this group, send an email to: > [EMAIL PROTECTED] > . To view previous messages from the list, > subscribe to a daily digest of the list, > or stop receiving the list by e-mail > (and read it on the Web), go to > http://www.yahoogroups.com/list/renewable-energy . > . 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