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I did a quick internet search for Harrison specs., and
found a document that mentions Harrison specified them as 400
psi.
This is actually kind of fascinating in that it's a report
on running a turbocharged engine on LP and doing intercooling with
the Harrison core as an intercooler.
Grant Schemmel
Tracy and
Lynn,
How much pressure are
these cores good for? I plan to run dry sump with at least 60
lbs.
Thanks!
Ben
----- Original Message -----
Sent: 11/15/2007 1:43 PM
Subject: [FlyRotary] Re: Harrison
cores
I am absolutely amazed at how well the GM evap. core is cooling the oil
on my 20B installation. Cooling well at WOT on the ground! I
would have previously thought this was not possible with a thick heat
exchanger. It does have the best diffuser I've built to date on it and
has prop blast into it.
Tracy
On Nov 15, 2007 1:33 PM, < Lehanover@aol.com> wrote:
The Harrison built (same as Corvette radiator) used in air
conditioning in full sized GM cars are designed to flow a major amount of
air. They are cheap even when bought new. They transfer heat as good as
anything you can find. They are compact. Two of them can dump the heat
from most any rotary installation. Two of them for coolant and one for oil
has been proven in a number of installations.
If you want less cooling drag build the radiators into the wing skins
like a Supermarine racer.
I raced for years with one Harrison core for oil cooling in front of
the water radiator. A poor installation with heated air going through the
water radiator, but it worked just fine.
Lynn E.
Hanover
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