RE: Cold IntakeWell, two major considerations of charge air cooling in =
this manner are: 1) FIRE potential as alchol burns pretty well, and 2) =
spraying it into the charge air directly will certainly reduce the =
temps, but also puts you into a fuel class. Hell, there isn't even a =
fuel category in my class, MS. So while this might work on the street to =
give the small turbo cars a rash, not an option that I could consider. =
Although Rick ststed earlier about using compound cooling. This might be =
a very successful consideration given that he used it to good success in =
reducing charge temp below ambient.=20
mayf
----- Original Message -----=20
From: Albaugh, Neil=20
To: 'Rick Byrnes' ; DrMayf ; Rick Hammond ; Dan Warner=20
Cc: land speed=20
Sent: Tuesday, November 27, 2001 1:03 PM
Subject: RE: Cold Intake
Another suggestion is to use alcohol and dry ice. Cool the alcohol in =
a dry ice bath and then spray the alcohol on the intercooler. =
Flammability considerations might make this undesireable but alternately =
the alcohol could be injected directly into the intercooler intake to =
cool the incoming charge well below ambient. Dry ice is easy to handle =
and store-- a foam cooler is all that is required. The simplist approach =
might be to use the alcohol as fuel to run the engine, too, and dispense =
with gasoline altogether. Otherwise, it probably would need a method of =
adjusting the gasoline/air mixture to the lean side to compensate for =
the alcohol added to the incoming charge. I haven't tried it, =
though....has anyone else heard of someone trying this?
Regards, Neil Tucson, AZ=20
-----Original Message-----=20
From: Rick Byrnes [mailto:Rick@rbmotorsports.com]=20
Sent: Tuesday, November 27, 2001 12:35 PM=20
To: DrMayf; Rick Hammond; Dan Warner=20
Cc: land speed=20
Subject: Re: Cold Intake=20
Rick,=20
I am in agreement with Mayf, and to further his comments, you can =
further=20
reduce intake temps below ambient, with water spray on an air/air =
charge=20
cooler, and then using an air/ice water system. I utilized this =
compound=20
charge cooling in the turbo Merkur and found inlet temperatures of =
less than=20
80 degrees f on a 100 deg day with lots of flow and boost. (75PPH of =
air at=20
96" Hg absolute). The cooling systems get a little complex, but not =
nearly=20
like one using some type of cryogenics. I have no data with the =
cooler on=20
the N/A motor, but others that run a like system say temps in the 40's =
are=20
typical.=20
Rick Byrnes=20
=20
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