Water injection (was: Re: fuel cooling intake air)

[dennis]

>
>Then, given that, as noted by Mr. Colon, "the total energy is of course the
>same" and that you need "sufficient fuel and air" so I still fail to see how
>you can _gain_ anything by making your engine swallow its air already
>saturated with water vapor. I argue that you _recover_ a lot of power that
>would otherwise be lost due to abnormal combustion, and I pretend that you'd
>probably recover more by injecting the water as late as possible. This claim
>in backed up by information posted on the ERL web site (see Mr. Dennis Doza
>II's post) where someone saw a power increase of 5-20%, IIRC, by injecting
>water directly inside the combustion chamber. 

Please show me where they inject it directly into the combustion chamber. I seem to have missed that when I read it 3 times. I did see that part about vapor pressure tho. What is that?

Dennis



They claim the gain comes from
>vapor pressure, so no complex thermochemistry here, according to them.
>Please note that I mentioned the potential gain due to vapor pressure,
>thanks to in-cylinder evaporation, in my original post.


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