X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from m15.nyc.untd.com ([64.136.22.78] verified) by logan.com (CommuniGate Pro SMTP 4.3c5) with SMTP id 948144 for flyrotary@lancaironline.net; Tue, 17 May 2005 21:32:00 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.136.22.78; envelope-from=jbker@juno.com Received: from m15.nyc.untd.com (localhost [127.0.0.1]) by m15.nyc.untd.com with SMTP id AABBJXGYVAM3387A for (sender ); Tue, 17 May 2005 18:30:59 -0700 (PDT) X-UNTD-OriginStamp: Y+Mfppm2QyGfnY/dq+iW1UPLPHBFYHmKabpvf1Ktz/XnMknXy/Msuw== Received: (from jbker@juno.com) by m15.nyc.untd.com (jqueuemail) id KS9DUKV7; Tue, 17 May 2005 18:30:47 PDT To: flyrotary@lancaironline.net Date: Tue, 17 May 2005 21:20:23 -0400 Subject: Re: [FlyRotary] Cooling Bernie? Message-ID: <20050517.212921.748.2.JBKER@juno.com> X-Mailer: Juno 5.0.33 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary=--__JNP_000_6021.45e5.47e1 X-Juno-Line-Breaks: 8-6,7-8,10-15,19-20,25-26,30-31,32-32767 From: WALTER B KERR X-ContentStamp: 11:5:2239879391 X-UNTD-Peer-Info: 127.0.0.1|localhost|m15.nyc.untd.com|jbker@juno.com This message is in MIME format. Since your mail reader does not understand this format, some or all of this message may not be legible. ----__JNP_000_6021.45e5.47e1 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Hi Bernie, How did you flight go today regarding cooling. Hope the work you put into the duct is paying off for you. Ed --------------------------------------- Well the diffuser was in place, but barely. We had a mismatch where it mates with the ring on the cowl, so I duct taped it best I could and went flying. The ambient T/O temp was 85 degrees, so a bit warmer than the 81 degrees I previously tested in. Climbed to 7500 feet in 10 min at 105 knots IAS and the max coolant temp was 216 and was coming down at the end of the climb. My limit is really the coolant pressure which climbed to 21 psig before starting down. Oil temp got up to 190 degrees which is as high as I've seen so this indicates the conditions were more extreme than before. Bottom line is that with work to get it smoothed, it might be a viable system. I am convinced that my exhaust is radiating a good load on the radiator also. Will add some more length to my s.s. shields that hide the exhaust from the radiator. Bernie, hit 40 hours today so can sign myself into phase ll ----__JNP_000_6021.45e5.47e1 Content-Type: text/html; charset=us-ascii Content-Transfer-Encoding: quoted-printable

Hi Bernie,

How did you flight go today regarding cooling. = ; Hope=20 the work you put into the duct is paying off for you.

Ed

---------------------------------------

Well the diffuser was in place, but barely. We had = a=20 mismatch where it mates with the ring on the cowl, so I duct taped it best = I=20 could and went flying. The ambient T/O temp was 85 degrees, so a bit warmer= than=20 the 81 degrees I previously tested in.

Climbed to 7500 feet in 10 min at 105 knots IAS and= the=20 max coolant temp was 216 and was coming down at the end of the climb. My = limit=20 is really the coolant pressure which climbed to 21 psig before starting = down.=20 Oil temp got up to 190 degrees which is as high as I've seen so this= =20 indicates the conditions were more extreme than before.

Bottom line is that with work to get it smoothed, = it might=20 be a viable system. I am convinced that my exhaust is radiating a good load= on=20 the radiator also. Will add some more length to my s.s. shields that hide = the=20 exhaust from the radiator.

Bernie, hit 40 hours today so can sign myself into = phase=20 ll

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