water injection

[Bruce Plecan]

-----Original Message-----
From: Tom Sharpe <twsharpe at mtco.com>
To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
Date: Sunday, December 20, 1998 9:10 PM
Subject: Re: water injection

Wonder how water injection works on a ionization knock sensor?.  Any one
played this game?.
Bruce

>goflo at pacbell.net wrote:
>> ! -  good idea, Greg!  Maybe keep track of MAP, temp, rpm, advance,
>> Identify conditions which produce knock and turn on WI in time to douse
>> it?
>> Adaptive WI, I guess...
>Greg's idea for a KS to turn on the light duty water started the wheels
turning. A
>simpler solution would be to use a second TPS to turn it on at say 1/2
throttle
>and modulate the water up to WOT. This would work for all but the max
effort
>systems and easily control detonation/add power. Turbo motors couls use a
pressure
>switch/MAP sensor to do the same. The pic boys could probably just read the
PW and
>generate a water PW.
>I always thought that an engine wouldn't detonate above 3000-4000 RPM. Just
spin
>it harder!!
>I want the KS to turn on a big red light that says "take your foot out of
the
>throttle" and fix what is wrong.
>Regards  Tom