Fw: [Diy_efi] compression ratio

[Bruce]

You want to add oil to the combustion chamber?.
Ugh, not for me, thank you <g>.
Since I haven't been able to detonate my motor with any resonable state of
tune the WI had been a back burner project lately.  But, as I catch up on
more important issures it will resurface.   My latest manifold does have the
*magic* installed so when I do play with it, it should be a rather simple
installation.
Bruce


----- Original Message -----
From: "Eric Fahlgren" <efahl at adams.com>
Subject: Re: Fw: [Diy_efi] compression ratio
> Bruce wrote:
> > In some US applications the external Bosch EFI Port Pumps, have an all
> > stainless construction.  And why use injectors?.  A simple .016" ish
orfice
> > should get you by for starters.  Do a complete installation, and measure
the
> I always thought (no proof) that fuel pumps would work better/last longer
> with some sort of lubrication, so I've been planning to use a weak mix
> of soluble oil in the water, just to assuage fears that pure water would
> rip the pump up.
> As for metering, one of my MegaSquirt projects is to use the MS as a
> EFWI controller, and I've written code that separates the pulse width
> calcs for the two drivers.  That's, of course, the easy part.  Now I
> need to map the WI pulses, and am sort of at a loss as to what the
> map should look like.  It's easy for WOT, just use say 20% of fuel as
> the water delivery, but I'm curious as to whether anyone has good ideas
> as to when water should start (assuming that I have a full SD mapping
> for water).  (My first application will be an I5 turbo running about 21
> psig boost.  Next up is a NA 4 banger econo motor, with high CR to get
> good thermal efficiency.)
> Bruce,
> A while back you hinted that you were working on some means for shearing
> injected water to 8 microns or thereabouts with (I'm guessing here)
compressed
> air.  Have you gotten anywhere on that?
> Eric


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