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nick.parker
Regular


Location:
Perth
Registered:
January 2005
Re: Water Inj. on 4AGZE Wed, 28 September 2005 03:51 Go to previous messageGo to previous message

Hi,

In general, water mist prevents detonation (greatly raises the threshold) and enables the use of more ignition advance.
In high boost engines it will mean no fuel dumping is required to keep combustion temps down. As the extra fuel can be replaced with water. This means you can run a better (leaner) AFR to make more power (more cylinder pressure!).

I have used a crude water injection system before that worked well, using a garden sprayer nozzle and windscreen washer pump...it turned on at about 2psi and only had one setting - full flow. It was just after my air filter (for mounting convenience). See my website for details (link in sig)

With my new system I can use an angle based trigger of my injection solenoid, turn it on for a variable time (time from 3D map). So it is not flawed like you suggested at all. Infact if you want to get picky your system is restricted as you cant use an arbitrary function of water flow vs boost pressure!

Twin screw / twisted rotor...I don't care what you call it, but to those in the know, a twin screw implies internal compression which the Rootes (EATON) does not have. What makes Eaton interesting is that the air inlet is axial..unlike a lot of Rootes blowers, and like most (all?) twin screws.

Regards, Nick
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SubjectPosterDate
Read Message   Water Inj. on 4AGZE ToyCamTue, 02 August 2005 12:46
Read Message   Re: Water Inj. on 4AGZE THE WITZLTue, 02 August 2005 13:54
Read Message   Re: Water Inj. on 4AGZE SW20RWed, 03 August 2005 14:12
Read Message   Re: Water Inj. on 4AGZE terraTue, 02 August 2005 19:09
Read Message   Re: Water Inj. on 4AGZE Blown86Wed, 28 September 2005 03:04
Read Message   Re: Water Inj. on 4AGZE mic*Wed, 28 September 2005 03:51
Read Message   Re: Water Inj. on 4AGZE Ben WilsonTue, 02 August 2005 22:31
Read Message   Re: Water Inj. on 4AGZE ToyCamWed, 03 August 2005 10:29
Read Message   Re: Water Inj. on 4AGZE ralfrossWed, 03 August 2005 12:51
Read Message   Re: Water Inj. on 4AGZE rb30 boyTue, 02 August 2005 22:40
Read Message   Re: Water Inj. on 4AGZE Ben WilsonTue, 02 August 2005 23:48
Read Message   Re: Water Inj. on 4AGZE nick.parkerWed, 03 August 2005 00:25
Read Message   Re: Water Inj. on 4AGZE mic*Wed, 28 September 2005 00:52
Read Message   Re: Water Inj. on 4AGZE nick.parkerWed, 28 September 2005 01:53
Read Message   Re: Water Inj. on 4AGZE 4agteWed, 28 September 2005 04:40
Read Message   Re: Water Inj. on 4AGZE nick.parkerWed, 28 September 2005 05:17
Read Message   Re: Water Inj. on 4AGZE Ben WilsonWed, 03 August 2005 00:41
Read Message   Re: Water Inj. on 4AGZE ralfrossWed, 03 August 2005 00:52
Read Message   Re: Water Inj. on 4AGZE mic*Wed, 28 September 2005 02:42
Read Message   Re: Water Inj. on 4AGZE  nick.parkerWed, 28 September 2005 03:51
Read Message   Re: Water Inj. on 4AGZE mic*Wed, 28 September 2005 03:59
Read Message   Re: Water Inj. on 4AGZE mic*Wed, 28 September 2005 06:44
Read Message   Re: Water Inj. on 4AGZE nick.parkerWed, 28 September 2005 07:01
Read Message   Re: Water Inj. on 4AGZE MR. 2Wed, 28 September 2005 07:00
Read Message   Re: Water Inj. on 4AGZE 4agteWed, 28 September 2005 07:03
Read Message   Re: Water Inj. on 4AGZE mic*Wed, 28 September 2005 07:14
Read Message   Re: Water Inj. on 4AGZE 86DRFTWed, 28 September 2005 07:52
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