Subject: Intercoolers
From: paul lamar
Date: 8/24/2016, 8:03 AM
To: A10-Me-Earthlink


Are there any simple cheap off the shelf solutions for intercoolers?
Is  an intercooler even necessary if the turbo is only used for turbo

normalizing? It seems that the only suitable area for an intercooler
is on the hot side of the engine. How do you deal with the heat if the

intercooler is mounted so close to the exhaust?


Paul Shamlian



Google intercooler and also check ebay. Things change daily world
wide.

As one goes higher in altitude the compressor ratio must increase to
 maintain  atmospheric pressure. This implies more heat in the intake air.

 Sea level is 0.0766 pounds per cubic foot.

10,000 feet it is only 0.0565.

 Intake air temperature at sea level of 175 F will increase to 250 F
at   15,000   feet. That can cause preignition. It is advisable to use an
intercooler.


Obtain a copy of Hugh Macinnes book

Turbochargers. There is a good chapter on turbo charging aircraft
engines.



On the TTC we use water injection to lower the intake air
temperature to   150 F   from 200 F at sea level. Not practical for cross country.

On the Reno racer the intercooler diffuser is between the hot
exhaust    and the intercooler. It is the green thing in this 3D. Thin SS and

insulation   fabric can be applied to improve the over all insulation.

Paul Lamar


Incidentally I have two intercoolers I won’t be needing I’d like to
get rid of.

Anyone interested let me know and I’ll give dimensions and pics

Jay Jacobs

I am interested. Send dimensions and pictures.

Paul Lamar

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