Re: Old member checks in / Recycling cooking oil as a diesel fuel

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Re: Old member checks in / Recycling cooking oil as a diesel fuel Karl Vorwerk 03-17-2006
Posted by Karl Vorwerk on March 17, 2006, 5:10 am
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A book I used to have had plans for making an x-ray device from a reasonably
common vacuum tube. I just saw a dentists x-ray machine and the drill stand
with drills and spit sink thrown out on the street yesterday.
Karl

> Several months ago I was floundering around, looking for some
> economical means of transporting foundry coke from Alabama to Texas, so
> I can build a collection of cast iron machine tools which will be full
> sized versions of the circa 1890 miniatures which are sold by Papa Mike
> at PM Research. Well, it seems that I picked up a flamer somewhere
> along the way, so I just ducked out for awhile, and decided that I
> would not post again until I had something significant to report.
> Well, now I do, so here goes.
>
> Since I was a boy, I have understood that it is possible to run a
> diesel engine on vegetable oil. Of course, Mister Diesel himself was
> fond of of doing so, and demonstrated this process at the World's Fair
> in 1901, for the entire world to see, and to understand. Then again,
> there has been of course an increasing level of interest in the subject
> of biodiesel fuel, which can be used in an unmodified diesel vehicle,
> which is made from vegetable oil, and which can be made at the amateur
> level.
>
> Amidst all of this understanding about diesel engines, what had somehow
> completely escaped my attention, until a few months ago anyway, is that
> it is possible to use _recycled_ cooking oil as a diesel fuel. This is
> the item which led me to realize that I quite simply cannot afford
> _not_ to convert to diesel!
>
> Well, I now have a 1983 Volkswagen Rabbit diesel pickup parked in my
> driveway, and I am getting ready to lower the engine out of the engine
> well, which is an interesting little detail in itself, since I found
> put that it is not necessary to lift the engine out. Thanks to the
> internet, I can get all of the advice which I will ever need in order
> to get this little guy working, and it is quite remarkable just how
> much my new truck looks like my old one, which is a Mazda/Ranger.
>
> Well, this is certainly a genuine metalworking project, so I thought I
> might as well post about it. My other current projects are a one man
> band and a homebrew radiology system ( x rays ).
>
> Mike Mandaville
> Austin, Texas
>



Posted by MikeMandaville on March 17, 2006, 9:14 pm
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Hello, Karl,

The book to which you are referring is probably "The Scientific
American Book of Projects for The Amateur Scientist", and the x ray
article from that book is online. Here is a link to that article:

http://www.noah.org/science/x-ray/stong/

I myself plan on building an electro-mechanical "static electricity"
generator to power the tube. A typical dental x ray tube will operate
at about seventy-five thousand volts, and at about five milliamps.
This makes a Wimshurst electro-mechanical generator a good choice, and
back in the nineteenth century, this is what most amateur radiologists
were using to power their tubes.

By the way, I also plan on building the tube itself, and a mercury
vacuum pump to evacuate it. The high voltage, mercury, and x rays are
all potential health hazards, of course, and so safety will be my first
priority.

Mike Mandaville
on the trailing edge of technology


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