Return-Path: Received: from [24.25.9.102] (HELO ms-smtp-03-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 4.3c2) with ESMTP id 763755 for flyrotary@lancaironline.net; Mon, 28 Feb 2005 19:25:28 -0500 Received-SPF: pass receiver=logan.com; client-ip=24.25.9.102; envelope-from=eanderson@carolina.rr.com Received: from edward2 (cpe-024-074-185-127.carolina.rr.com [24.74.185.127]) by ms-smtp-03-eri0.southeast.rr.com (8.12.10/8.12.7) with SMTP id j210Oekd028584 for ; Mon, 28 Feb 2005 19:24:41 -0500 (EST) Message-ID: <001c01c51df5$16c8f970$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Filterr or not to Filter: [FlyRotary] Re: FW: Cooling system update Date: Mon, 28 Feb 2005 19:24:53 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0019_01C51DCB.2DB28D10" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_0019_01C51DCB.2DB28D10 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Yes, I agree, Mark, that combination seems to give good results. I = examine my radiator (GM cores) at each annual and replace the coolant = mixture as well - I have not detected any indication of scale or goo in = the 7 years I've been flying. I personally believe that using distilled = water rather than tap has a lot to do with that - but, that is just an = opinion, no scientific data to back it up. =20 I am of the opinion that an inline coolant filter is likely to get = blocked sooner and more quickly than the radiator (should you have a = contamination problem). The radiator core would likely experience a = slower degradation in its cooling capability - as Chuck Dunlap's = experience indicated. Now, whether a clogged filter could withstand the = pressure head of coolant moving at 20-30 gpm or whether there would = always be some flow - hard to say. By the way, Mark. On my e mail browser your emails line fail to wrap, = they simply extend to the right in one LONG sentence. Ed A ----- Original Message -----=20 From: Mark R Steitle=20 To: Rotary motors in aircraft=20 Sent: Monday, February 28, 2005 3:41 PM Subject: [FlyRotary] Re: Filterr or not to Filter: [FlyRotary] Re: FW: = Cooling system update Ed,I'm with Tracy (use high quality glycol & distilled water), except = for some possible RTV that might break free and get stuck in one or more = of the radiator tubes. Seems a good backflush would remedy that. Next = time I have my cooling system apart I might take a peek inside the = radiator and see if there is anything blocking the tubes. Corrective = action would depend on what I find. It wouldn't take very many blocked = tubes to push some of us over the edge. Mark S. Perhaps we could = fashion a quickly removable filter and patch it into various systems for = a while just to check what it picks up. Like, I wouldn't have thought it possible to block up a whole damned = radiator ... Jim S. Ed A =20 >> Homepage: http://www.flyrotary.com/ >> Archive: http://lancaironline.net/lists/flyrotary/List.html ------=_NextPart_000_0019_01C51DCB.2DB28D10 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Yes, I agree, Mark, that combination = seems to give=20 good results. I examine my radiator (GM cores) at each annual and = replace=20 the coolant mixture as well - I have not detected any indication of = scale or goo=20 in the 7 years I've been flying. I personally believe that using = distilled=20 water rather than tap has a lot to do with that - but, that is just an = opinion,=20 no scientific data to back it up.

I am of the opinion that an inline = coolant filter=20 is likely to get blocked sooner and more quickly than the radiator = (should you=20 have a contamination problem). The radiator core would likely = experience a=20 slower degradation in its cooling capability - as Chuck Dunlap's = experience=20 indicated. Now, whether a clogged filter could withstand the = pressure head=20 of coolant moving at 20-30 gpm or whether there would always be some = flow - hard=20 to say.

By the way, Mark. On my e mail = browser your=20 emails line fail to wrap, they simply extend to the right in one LONG=20 sentence.

Ed A

----- Original Message -----
From:=20 Mark R Steitle =
To: Rotary motors in = aircraft

Sent: Monday, February 28, 2005 = 3:41=20 PM

Subject: [FlyRotary] Re: = Filterr or not=20 to Filter: [FlyRotary] Re: FW: Cooling system update

Ed,
I=92m = with Tracy (use high quality glycol & distilled water), except for = some possible RTV that might break free and get stuck in one or more of = the radiator tubes. Seems a good backflush would remedy = that. Next time I have my cooling system apart I might take a peek = inside the radiator and see if there is anything blocking the = tubes. Corrective action would depend on what I find. It = wouldn=92t take very many blocked tubes to push some of us over the = edge.

Mark S.

Perhaps we could fashion a = quickly=20 removable filter and patch it into various systems for a while just to = check=20 what it picks up.
Like, I wouldn't have thought it possible to = block up a=20 whole damned radiator ... Jim = S.

Ed = A

=

=

>> Homepage: http://www.flyrotary.com/ >> Archive: = http://lancaironline.net/lists/flyrotary/List.html

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