[Diy_efi] Water metanol turbo assist

[arnie]

> Any more than that will just decrease output and hurt efficiency
> no danger of hurting the engine.

Greg, I agree from THAT perspective.  Proper hone is critical, not just
for ring sealing, but for piston lubrication.  The medium used/needed
for this sealing/lubrication is the oil.  If enuf water is injected into the
combustion process, this can have a negative affect on the amount of
oil the hone 'plateau' in the cylinder will retain/hold.  This is my major
concern.  I do not know how many hours of run time WW2 engines
logged between overhauls, but ? I have is, over a year or two period,
(10,000-25000 mi.) how much additional wear will an automotive
engine show that ordinarily would not be there?  Certainly the amount
of miles mentioned, would not be considered anywhere near the life
of an average engine today.  I could/should have said 40, 50, or
whatever, you get the idea.  Without someone/anyone having actually
run with 50% (or more) H2O concentration, and documented wear
in that period of time/mileage, it won't be me saying it is safe to do so.
To the contrary, I'll figure on unusual wear til proven otherwise.

GAS


----- Original Message -----
From: "Greg Hermann" <bearbvd at mindspring.com>
To: <diy_efi at diy-efi.org>
Sent: Saturday, January 04, 2003 8:55 PM
Subject: Re: [Diy_efi] Water metanol turbo assist - was Argon turbo


At 12:19 PM 1/4/03, arnie wrote:
>What actual street operating setups are you aware of, that can function
>durability wise, with HALF the amount of liquid charge (in the intake)
>being H2O, let alone 70%?  Concerned mind wants to know.
>
>GAS
>
70% ± is the most H2O that can be vaporized by TDC with an effective
compression ratio in the 9:1 area.

Any more than that will just decrease output and hurt efficiency no danger
of hurting the engine.

The H2O actually LOWERS peak pressure and temp in the engine--never heard
of that hurting anything.

Greg






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