[Diy_efi] Water metanol turbo assist

[md4etal]

I think I have pdf files of those papers.  Yes indeedy they were injecting
up to 50% of the fuel rate (at WOT) into the enignes.  How else do you make
a Thuderbolt chase down a V-1 at 479 mph!

Mike D.
----- Original Message -----
From: "Adam Wade" <espresso_doppio at yahoo.com>
To: <diy_efi at diy-efi.org>
Sent: Sunday, January 05, 2003 3:09 PM
Subject: Re: [Diy_efi] Water metanol turbo assist


> --- arnie <arnie_ at charter.net> wrote:
>
> > When 30% of the oil pan contents (by weight) is
> > water, that 'red flag' had better be waivin'.
>
> Jumpin' Jehosephat!  That's a huge amount of water.
>
> I wonder if some of that is because of the tremendous
> cooling that aircraft engines receive at higher
> altitudes, preventing the water from cooking off?  Of
> course, if it makes it to the oil pan at all, that is
> a problem.
>
> > Adam, I agree the ring material, honing techniques,
> > the oil composition itself, and thus, sealing
> > efficiency of today is superior to the WW2 era, so
> > it is likely that quantity of water found in the pan
> > will be less.  However, I fail to see how the actual
> > amount of cylinder wall washing (or the ability of
> > the water to 'scrub' the walls) will change much,
> > given the superior oil of today.
>
> I'd be thinking more of the increased lubrication
> efficiency of today's designs.  Radial engines are
> notoriously hard to oil well and evenly.
>
> I don't have the NACA papers handy, but what amount of
> water injection vs. fuel, by volume, are we talking
> about?  Also, how good is the fine atomization of the
> injection system?  My sense is that the finer the
> atomization, the less issue there would be with wall
> washing OR water in the oil.
>
> > It strikes me odd, (actually I find it somewhat
> > amusing) that with the amount of emphasis placed on
> > documenting the performance merits of WI observed in
> > the testing, in that (NACA) report, there was a
> > conspicuous lack of attention/concern  given to the
> > water dilution in the oil.
>
> I think the service life of engine oil was measured in
> very small units.  ;)
>
> > It would appear to me, that objectives had been set,
> > and the 'correct' conclusions were to be achieved,
> > come hell or high water.  :)
>
> That is often the case in war...
>
> > Btw, Adam ?, ah, actually I don't subscribe to the
> > 'kinder gentler' America theme.   :)   :D
>
> Me, either.  Should I put parts my posts inside
> <sarcasm></sarcasm> tags?  ;)
>
> =====
> | Adam Wade                       1990 Kwak Zephyr 550 (Daphne) |
> |   http://y42.photos.yahoo.com/bc/espresso_doppio/lst?.dir=/   |
> | "It was like an emergency ward after a great catastrophe; it  |
> |   didn't matter what race or class the victims belonged to.   |
> |  They were all given the same miracle drug, which was coffee. |
> |   The catastrophe in this case, of course, was that the sun   |
> |     had come up again."                    -Kurt Vonnegut     |
>
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