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Thread: 250L Water heater - too big?

  1. #1
    Join Date
    Jun 2006
    Location
    Sydney
    Posts
    804

    250L Water heater - too big?

    I have recently discovered this excellent forum and am very excited about the prospect of making my own fuel and saving a few bucks, as well as the environment.

    I have been keeping my eye out for scrap parts to build a reactor, as I am thinking of building an appleseed type one. This morning I spotted a 250L Rheem water heater on the side of the road, which looked in good condition, but I'm wondering if it is too big.

    I see that most people have gone with smaller 150L tanks as a reactor, so I am wondering if there are any potential problems with a larger one.

    I don't have a problem with space in my garage, and to be honest I would rather make one large batch per month than a smaller one every fortnight, but is it more difficult to make 250L of Biodiesel accurately? Or are there other considerations I need to think about?

  2. #2
    Join Date
    Oct 2005
    Location
    Sunshine Coast, QLD
    Posts
    708

    Re: 250L Water heater - too big?

    Hey mate,

    welcome to the forums.

    No 250litre is not too small. You will be able to make some where around 180-200 litres of fuel per batch. Thats a good amount.

    There are no problems with a larger system.

    I would also prefer one batch a month instaed of 2.

    Its no harder making 250 litres over 150 or even 2 for that matter. As long as you titrate and measure you ingredients accurately you should be able to make good quality biodiesel.

    Good luck.

  3. #3
    Join Date
    Jun 2006
    Location
    Sydney
    Posts
    804

    Re: 250L Water heater - too big?

    Thanks. I'll probably grab that tank tonight if the council haven't cleared it away.

  4. #4
    Join Date
    Jun 2006
    Location
    Sydney
    Posts
    804

    Re: 250L Water heater - too big?

    Aaah! The tank was picked up by the council yesterday before I got home!

    Where is a good place to get an old hot water tank (preferably free)? Would there be a good selection at the local council tip?

  5. #5
    Join Date
    Oct 2005
    Location
    north Brissy
    Posts
    107

    Re: 250L Water heater - too big?

    I got my Rheem 125 ltr tank from a building demolishing yard for $65 and they guaranteed it to work. Tanks end up at the tip usually for a reason ie rusted and leaking but if you are lucky maybe just the element is open circuit and they decided to upgrade anyhow and throw the old tank out.
    Peter

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