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From: "Joe Hull" <joeh@pilgrimtech.com>
To: "'Rotary motors in aircraft'" <flyrotary@lancaironline.net>
Subject: RE: [FlyRotary] Re: Oil Cooling Issues
Date: Thu, 15 Jun 2006 14:24:30 -0700
Message-ID: <00a101c690c2$19afe1d0$cda0389d@redmond.corp.microsoft.com>
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In-Reply-To: <list-1155954@logan.com>

> I don't think that you can just remove the thermostat
> from the oil cooler.  I think that it opens to close
> off the bypass port and opens the path through the oil
> cooler, or something like that.

Ok. I took it out because yesterday I flew around the patch with my new =
and
much bigger scoop and had higher temps and felt end of the oil cooler =
and it
was cool to the touch. So I started to think something wasn't letting =
the
oil through the cooling coils/fins. I thought removing the thermostat =
would
open up the core - guess I've got that backwards!=20

When I had my engine being rebuilt last month I flushed the oil cooler =
with
mineral spirits and took out the thermostat and tested it in the kitchen =
for
correct operation. It opened (grew or shrunk - can't remember) at about =
175F
if I recall. Whatever Haynes says it's supposed to do - it did.

Thanx,
Joe Hull
Cozy Mk-IV #991 (In Phase1 Flight Test -=A029.1 hrs flown)=20
Redmond (Seattle), Washington