Hi Paul，

The efficiency of internal combusting engines are not good as the exhaust gas is hot,
especially on rotary engines.  If we inject small amount of water into the chamber
just after ignition, and the water would evaporate and expand.  Would this improve
efficiency?  The water would take heat from the gas, thus make further use of the heat.
I think this may increase gas mileage in cars significantly. How do you think?

Best regards,

Gordon Gao

Of course it would work but there are all sorts of issues. Like rusting the end housings
after you turn it off.  Two tanks to fill.  Water must be distilled.

The six cycle engine does this. Google it.

Paul Lamar

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