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6 stroke improvement

Instead of water/steam, use gasoline
 
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Suppose one has with a Crower six-stroke engine, with a dedicated steam exhaust valve in each cylinider, and a steam condensor.

Why do we have to stick with water and steam for the 5th and 6th strokes?

Why not use an alternative working fluid, such as gasoline? This would allow the use of only one fuel tank (gas), instead of two (gas and water). Any gasoline vapor which isn't completely evacuated from the cylinder by the end of the 6th stroke would simply get mixed with the incoming air of the 1st stroke, which is no big problem, since we're usually putting fuel in with the air anyway.

goldbb, Dec 23 2008

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       I wonder what you'd do with the boiled gas. Once a good part of it is vaporized, you'll lose a lot of room you'd ordinarily have for fresh air, and if you plan on getting rid of it, you're ruining Crower's purpose of efficiency anyway.
kevinthenerd, Aug 31 2009
  
      
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