Half a croissant, on a plate, with a sign in front of it saying '50c'

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Single fluid Engine
Uses the same oil for fuel, lubricant and coolant
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The modern automobile needs a bewildering array of liquids to be poured into it before it is ready to go.

Simplify! Simplify!

In order to bring order to this chaotic situation, I propose an engine - a prime mover - which will use, as for as possible, just one fluid.

A thick oil - so that it lubricates. It will burn this very same oil. Could be turbine, or the old boiler - piston - condenser type, if the internal combustion thing is hard to get going with a thick fuel. The working fluid will be the same oil, in that case. The cooling system will circulate the very same fluid. Oil has less heat capacity than water, so a larger volume of it will have to be circulated. Could be a vegetable oil, so that you can fry fish n' chips in it.

So just one reservoir of oil serves as the fuel tank, oil sump and radiator. You don't have to wonder whether you are out of radiator fluid, lubricating oil or fuel. When you top up that one tank, you've topped up all three.

At the end of the trip, a touch on the w.washer knob and a fine spray covers the windshield, the wipers gently wave and then the remains of squashed bugs and dust disappear in a flash of flame.

Haven't been away, just lurking.


neelandan, Sep 13 2005

This could stick up like a hood scoop... http://www.fsifilte...efinery%20small.gif
[normzone, Sep 13 2005]

prototype refinery engine http://flatheaddrag...s98kl/98mbrown2.jpg
[normzone, Sep 13 2005]



Annotation:







       Sounds like a two-stroke lawnmower.

supercat, Sep 13 2005
  

       <Presses the button to squirt windshield wiper fluid. Taken directly from the crankcase, it’s a viscous, burnt-black oil.> “God, I can’t see a flipping thing!” <And doesn't see the telephone pole rushing at him.>

ldischler, Sep 13 2005
  

       This sounds much like the first engines. Before they made them work properly.

wagster, Sep 13 2005
  

       /just lurking/ well, good to see you've ceased lurking for a bit.

david_scothern, Sep 13 2005
  

       But the whole point of using multiple liquids is that some are better than others at each job. You said yourself that this oil wouldn't be as effective for combustion or heat capacity.

Germanicus, Sep 13 2005
  

       Nope, sorry, go back to lurking if this is the best you can do. (like your profile BTW)

zeno, Sep 13 2005
  

       This could work, it just needs to be more complex.   

       Have a small refinery under the hood of every automobile, and turn crude into motor oil, transmission fluid, gasoline, brake fluid, coolant, refrigerant, and washer fluid.

normzone, Sep 13 2005
  


 
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