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Thread: Home made Biodiesel

  1. #1
    Join Date
    Apr 2007
    Location
    Alice Springs NT
    Posts
    286

    Home made Biodiesel

    Had the idea to make a small bidiesel plant behind my shed.
    The research I have done makes me think that it is in no way overcomplicated.
    Read for yourself
    http://www.tasmanenergy.com.au/books.htm

    I already have a source for 25 litres of used cooking oil a week (free) add to that the cost to set up the mini plant, the cost of caustic soda and methanol and average it over a year i am projecting a cost of between 3c to 7c per litre.

    My original plan was to use it in my old Turbo Toyota Surf (whose 2.4l motor would probably burn most anything). Due to a bit of bad luck, a blow out and the graded road edge on the Oodnadatta track I rolled the Surf over Easter
    (pics available here for you grusome minded folk
    http://www.toyotasurf.asn.au/forum/v...ic.php?t=12855

    To replace the Toyota I'm buying a Disco 1 300TDi (even though I'm still fighting with the insurance company over the Toyota.....b***ards)

    Before I go on and build the pilot plant does anybody have any bad stories on running a 300TDi on biodiesel?
    Anybody got any good stories about L/Rs on biodiesel?
    Anybody tried making this stuff themselves?

    Any other comments, suggestions or advice?

    Jason

  2. #2
    Join Date
    Jan 1970
    Location
    2780
    Posts
    8,257
    I run my '96 300tdi Defender on the "biodiesel blend" sold by Volume Plus for about 18 months. I assume that it is close to 100% since their profit margin increases with the percentage of bio in the mix.

    I've had my fair share of problems, although I reckon they all boil down to crud in the bio problems, and fuel supply issues that follow when the crud gets caught up in the may hidden filters/gauzes in the fuel system.

    I'm planning on installing a ryco filter on the top of the sedimenter just outside the fuel tank. My Defender doesn't have an in tank filter, so the sedimenter is the first place after the fuel tank to fit a fuel filter.

    Since you'll be making it yourself you shouldn't have this problem.

    I have replaced my lift pump a couple of times, and I have replaced the fuel injection pump at frightening cost as well, but I'm not convinced that the injection pump was a result of bio diesel, the lift pumps might have been.

    Cheers
    Simon

  3. #3
    Join Date
    Apr 2007
    Location
    Clifton Springs, Vic.
    Posts
    841
    Have you seen this??????????? http://www.dieselsecret.com/

  4. #4
    Join Date
    Jul 2006
    Location
    Tuross Head, South Coast, NSW
    Posts
    5,182
    Quote Originally Posted by kaa45 View Post
    Have you seen this??????????? http://www.dieselsecret.com/
    and this
    www.newenergyreport.org/019346.html

    1973 Series III LWB 1983 - 2006
    1998 300 Tdi Defender Trayback 2006 -
    - often fitted with a Trayon slide-on camper.


  5. #5
    Join Date
    Jan 1970
    Location
    2780
    Posts
    8,257
    Whaddya reckon, they send you a bottle of acetone or kero and a stocking to filter the fish and chip oil with?

    Or

    Do they also send you a bumper sticker saying my car runs on snake oil.

    Cheers
    Simon

  6. #6
    Join Date
    Apr 2007
    Location
    Clifton Springs, Vic.
    Posts
    841
    Quote Originally Posted by vnx205 View Post
    Interesting

  7. #7
    Join Date
    Jan 1970
    Location
    Bathurst NSW
    Posts
    14,437
    i have been poking around on the biofuels forum and there is a thread about this, and they reckon that secret stuff is a waste of money dont touch it.
    <img src=https://the4wdzone.com.au/wp-content/uploads/logo.png border=0 alt= />
    The 4wd Zone/Opposite Lock Bathurst
    1/5 Littlebourne Street, Kelso, NSW
    http://www.the4wdzone.com.au/
    Discounts for AULRO members, just shoot me a PM before you purchase.

  8. #8
    Join Date
    Jul 2006
    Location
    Hobart Tasmania
    Posts
    3,646
    Sorry to drag up an old thread, but has there been any more news on running bio on the tdi 300?? I am wanting to make my own bio soon, now that deisel prices have reached 1.80c and look to top over $2 very soon.

    Cheers,
    Carlos
    1995 Land Rover Discovery 300tdi
    1964 Land Rover Series 2a 88 - current project rebuild
    Youtube Channel: https://www.youtube.com/channel/UCu3RwTvV8BtsNIuTyGkAo5w
    Instagram: https://instagram.com/rover_tasmania/

  9. #9
    mcrover Guest
    I think very soon it will be cheaper to replace your lift pumps like you do filters and your injector pump once a year than it will be for a tank of diesel.

    But for the record, if not made properly it can be pretty acidic and cause damage to fuel lines, filters, pumps etc but if made right and tested all the way through the process then there is no problem and shouldnt be any worse for your system that diesel and in some cases better with more lubrication.

    DONT BELIEVE EVERYTHING YOU READ.....there are some real nutters out there that make unrealistic claims (the secrate is one of them).

    Go buy a book called "from the fryer to the fuel tank", look it up, it is a good read and very informative but again is written by a bio nutter but one that has been very successful using Bio in many different vehicals.

    I havnt tried it yet as I get fuel from work but Im nearly tempted to start making it at work for the machines as it is a huge chunk of our budget that is just getting bigger and our budget thus is getting smaller.

    good luck and let us know how you go.

  10. #10
    Join Date
    Mar 2008
    Location
    Sydney, Australia
    Posts
    2,351
    Bio diesel will rot rubber fuel lines, you will need to change them if they are rubber ones.
    The older motors can run on well filtered plain chip oil so I understand. modern diesels with high pressure and common rail injection can sustain major damage.

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