[Diy_efi] water injection
ian
spyro
Thu Sep 6 13:38:24 UTC 2007
On Thu, 2007-09-06 at 11:28 +0800, Mike wrote:
>
> A good type of water injection system is one in which chilled water is
> constantly circulated
> through the piping at above manifold pressure much like the fuel
> return system in a gasoline EFI engine.
Yes, I considered that as I dont want heat soak warming up the
(relatively) slow moving water in the piping.
for initial testing, though, Im going to skip that and go for direct
feed and a fairly narrow (but thick) pipe.
> ie Have the spray solenoid off a 'T' junction close to the atomiser
> so the system
> has minimal delay to spray as soon as a preset level of boost is
> present etc...
thats for later :)
> PWM of the water pump might be ok but you really need to develop
> enough pressure at the
> nozzle early on to ensure you get consistent droplet size regardless
> of flowrate, it would be
> ideal if there were a PWM solenoid atomiser with a 'T' feed for all
> the reasons described,
one idea I may try is a piezo 'fogger'
More information about the Diy_efi
mailing list