[EMAIL PROTECTED] ---------- Original Message ---------------------------------- From: Dana Linscott <[EMAIL PROTECTED]> Reply-To: biofuel@yahoogroups.com Date: Mon, 10 Dec 2001 10:08:20 -0800 (PST)
><html><body> > > ><tt> >This is not a criticism, but I am wondering if anyone<BR> >is interested in a more focused discussion of SVO/WVO.<BR> ><BR> >I have learned a lot on this forum and know there are<BR> >folks out there that are mainly interested in the WVO<BR> >aspect of it. I wonder if anyone would be interested<BR> >in a separate string that deals only with SVO/WVO. <BR> ><BR> >I would suggest that by starting the subject line<BR> >SVO/WVO those that are not interested can slip right<BR> >by. Of course many SVO ideas are useful to those that<BR> >are of the Biodiesel persuasion as well. I also<BR> >believe that using the SVO/WVO in the beginning of the<BR> >subject line will aid those in any search process<BR> >later.<BR> ><BR> >As a beginning I would like to suggest that we share<BR> >our ideas of what a perfect SVO/WVO private/home<BR> >operation and vehicle would be.<BR> >The next step will be to share/brainstorm our<BR> >experiences with it so far...for those with experience<BR> >to share.<BR> ><BR> >I have found there is lots of info out there...but<BR> >some of it is conflicting or difficult to understand<BR> >and a good forum might be very useful not only to<BR> >those thinking of trying SVO as a fuel but those that<BR> >have already done so.<BR> >I know I have learned a lot from my tinkering that I<BR> >think would have saved a lot of time and money had I<BR> >had the info to begin with.<BR> ><BR> >Ed...WVO/SVO is your bailiwick I know and I hope that<BR> >you are enthusiastic about it. <BR> ><BR> >Steve..I hope you are entusiastic as well and that my<BR> >sugesstion is OK with you. <BR> ><BR> >Of course I could be all wrong and just wasting my<BR> >time..we will see.<BR> ><BR> ><BR> >I will start the discussion......<BR> >The parameters for a "perfect" conversion (in my mind)<BR> >would be:<BR> >1 Inexpensive...Pay for itself within 3 months in<BR> >saved fuel costs.<BR> >2 Relatively simple to do. Within the ability of a<BR> >do it your selfer and require no special tools.<BR> >3 Use "off the shelf"components.<BR> >4 Be "all climate" eg. useful at any temp.<BR> >5 Generally applicable to many vehicles.<BR> >6 Not cause premature engine failure.<BR> ><BR> >The first parameter requires that the cost of the fuel<BR> >be as low as possible. So (again...in my opinion):<BR> >a The raw stock would be Waste Vegetable Oil.<BR> >b The filters would be reusable or very cheap.<BR> >c The process heat source would be WVO.<BR> >d The process components should be inexpensive.<BR> ><BR> >In addition :<BR> >e It would produce a minimum of 40 gallons per<BR> >week.<BR> >f A minimum of space would be required.<BR> >g It would be portable.<BR> >h It would be automated as much as possible.<BR> >I It would produce a minimum of "waste" byproducts.<BR> >and as with the vehicle conversion.<BR> >j It should be simple to do. Within the ability of<BR> >a do it your selfer and require no special tools.<BR> >k It should be assembled from easily available "off<BR> >the shelf" components.<BR> ><BR> >There...that's a start.<BR> >Anyone interested or have something to add. I am sure<BR> >I have overlooked something.<BR> ><BR> >If we go about this in an orderly manner it should<BR> >prove very useful to others that follow...just as the<BR> >Biofuels forum does in total...but with a more<BR> >specific subject.<BR> ><BR> >Just as an aside..<BR> ><BR> >My own setup uses WVO that I collect from a single<BR> >source (oriental buffet) twice a week in the 35 pound<BR> >containers it is delivered to them in. This saves me<BR> >having to pay for storage containers as they just<BR> >stack up nicely on one another. (I am thinking of<BR> >going to 55 gal drums to simplify the whole thing.<BR> >They are cheap but then I would have to change my mode<BR> >of collection (can't just lift a 55 gal drum and stick<BR> >it in the trunk.) I allow it to settle for a few weeks<BR> >then drain it into a 55 gal drum carefully leaving the<BR> >majority of "dreck" in the jugs. The jugs are either<BR> >crushed and disposed of or cleaned to use for filtered<BR> >WVO storage later. The settled WVO in the drum is then<BR> >heated using a simple wick type WVO burner I<BR> >designed...just a big oil powered candle really. I<BR> >heat to about 180* F but have avoided using any WVO<BR> >that contains water as that might necessitate<BR> >dewatering. The heated WVO is then placed in an<BR> >insulated box and is pulled through three filters (a<BR> >felt filter, a 15 micron fuel delivery filter, and a 5<BR> >micron "paper" filter) into another 55 gal drum using<BR> >a vacuum created with scavenged refrigerator<BR> >compressor. A backflush circuit allows me to clean<BR> >what accumulates on the filters off (with a small<BR> >amount of gasoline) quickly and easily without<BR> >removing them. This also allows me to use the same<BR> >filters over so I don't have that recurring expense.<BR> >The felt filter seems to collect solid wax,food<BR> >bits,and fat but the majority of particles seem to<BR> >collect on the 15 micron element. The 5 micron<BR> >element seems to be mostly there for peace of mind as<BR> >I believe that most diesel engine filters only go to<BR> >10-15 microns. The filtered oil is then either pumped<BR> >into my vehicle or empty/clean 35# jugs for storage.<BR> ><BR> >The vehicle I use is a 1988 Ford F250 with the 7.3<BR> >International engine. It is out of service right now<BR> >as it blew a head gasket...unrelated to the WVO/SVO<BR> >use I think...and I have negotiated with the local<BR> >Vocational Technical School Diesel Mechanic Instructor<BR> >to do a "top end" overhaul as a class project. They<BR> >will also take pictures to set a baseline of a clean<BR> >cylinder/piston/injector/combustion chamber and plan<BR> >on following through with an annual teardown and<BR> >inspection to see what the effects of SVO is on the<BR> >engine. From what I see on this forum and others the<BR> >main problem associated with SVO use in diesels is<BR> >accumulations on the injectors, valves, and piston<BR> >ring grooves...but this may be minimized I understand<BR> >by adequately preheating the SVO to reduce its'<BR> >viscosity, using only SVO that has had the Acreolin<BR> >(sp?) "removed, and starting and shutting down the<BR> >engine on diesel/biodiesel. I also understand that<BR> >light loads and excessive idling might be contributory<BR> >factors to carbon/acreolien accumulations and that<BR> >indirect injection diesels (as opposed to direct<BR> >injectio) are less prone to this. Looking at the<BR> >formal studies done on SVO I wonder if a hotter<BR> >thermostat might not also help with<BR> >reducing/preventing deposits? I suppose I will find<BR> >out if I have deposits after the teardown is done on<BR> >my 7.3 next year. <BR> ><BR> >I decided to use the F250 because I needed a "heavy<BR> >hauler" and they are extremely available in the US as<BR> >a used vehicle. The 7.3 diesel engine is a indirect<BR> >injection design which was essentially the same from<BR> >1986 to 1994 and is as such well tested by use. It<BR> >also seems to be a fairly simple conversion and allows<BR> >one to bring along over 4000 miles worth of SVO if one<BR> >wishes to take an extended trip sans fuel stations.<BR> >With a manual transmission I was getting about 20 mpg<BR> >highway and 15 mpg around town. Since the fuel costs<BR> >me around 5 cents per gallon and was going in the<BR> >trash before I started collecting it I don't feel<BR> >guilty when I use it instead of my more efficient<BR> >auto. I am however unhappy with the conversion and am<BR> >planning on "reconverting" while it is out of<BR> >commission. The original conversion cost me about<BR> >$250US and 10 hrs. I believe that I made several<BR> >fundamental mistakes when I originally converted it<BR> >that I need to rectify and while I am at it I think I<BR> >have several refinements that I also want to install<BR> >for testing. I am hoping that others that have SVO<BR> >conversions will contribute to what I already (think)<BR> >I know prior to tearing into it so a re/reconversion<BR> >is not necessary. Anyone???? Feel free to set me strai<BR> >if your info is different.<BR> ><BR> >This has gotten to be a rather longer post than I had<BR> >originally intended. I hope others are interested in<BR> >the WVO/SVO string and am more than willing to share<BR> >the rest of the info. and experiences I have with<BR> >others with the hope a collaboration via this forum is<BR> >mutually beneficial to all.<BR> ><BR> >Dana Linscott<BR> >MN/USA<BR> ><BR> ><BR> ><BR> >__________________________________________________<BR> >Do You Yahoo!?<BR> >Send your FREE holiday greetings online!<BR> ><a href="http://greetings.yahoo.com";>http://greetings.yahoo.com</a><BR> ></tt> > ><br> > ><!-- |**|begin egp html banner|**| --> > ><table border=0 cellspacing=0 cellpadding=2> ><tr bgcolor=#FFFFCC> ><td align=center><font size="-1" color=#003399><b>Yahoo! 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