X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.120] verified) by logan.com (CommuniGate Pro SMTP 5.2c4) with ESMTP id 2694384 for flyrotary@lancaironline.net; Sat, 26 Jan 2008 10:19:49 -0500 Received-SPF: pass receiver=logan.com; client-ip=75.180.132.120; envelope-from=eanderson@carolina.rr.com Received: from edward2 ([24.74.103.61]) by cdptpa-omta05.mail.rr.com with SMTP id <20080126151909.KNIX9785.cdptpa-omta05.mail.rr.com@edward2> for ; Sat, 26 Jan 2008 15:19:09 +0000 Message-ID: <000d01c8602e$cff04010$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Water Return in Radiator Date: Sat, 26 Jan 2008 10:19:14 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_000A_01C86004.E6CB7BD0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3138 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3138 This is a multi-part message in MIME format. ------=_NextPart_000_000A_01C86004.E6CB7BD0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Yes, "... Better is to return if after the radiator/before the pump = inlet - which should be the same as your output side. But, as Bob = pointed out you really don't need to cut into that expensive custom = radiator, You could put a "T" in the radiator to pump inlet hose and = flow the return back into the "T". However, the radiator fins on the outside of the radiator do not affect = coolant/flow pressure directly - they do in an indirect fashion by = varying the heat rejection effectiveness of the radiator which in turn = causes the total coolant pressure in the entire system to vary. Ed ----- Original Message -----=20 From: dlomheim@aol.com=20 To: Rotary motors in aircraft=20 Sent: Saturday, January 26, 2008 9:57 AM Subject: [FlyRotary] Water Return in Radiator Thanks for input Ed...since the radiator fins increase the pressure on = the input side of the radiator, wouldn't it be okay to return then to = the output side of the radiator? dl -------------------------------------------------------------------------= ----- More new features than ever. Check out the new AOL Mail! ------=_NextPart_000_000A_01C86004.E6CB7BD0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Yes, "... Better is to return if=20 after the radiator/before the pump = inlet -=20 which should be the same as your output side. But, = as Bob=20 pointed out you really don't need to cut into that expensive custom=20 radiator,  You could put a "T" in the radiator to pump inlet hose = and flow=20 the return back into the "T".
 
 However, the radiator fins on the outside = of the=20 radiator do not affect coolant/flow  pressure directly - they do in = an=20 indirect fashion by varying the heat rejection effectiveness of the = radiator=20 which in turn causes the total coolant pressure in the entire system to=20 vary.
 
Ed
----- Original Message -----
From:=20 dlomheim@aol.com=20
Sent: Saturday, January 26, = 2008 9:57=20 AM
Subject: [FlyRotary] Water = Return in=20 Radiator

Thanks for input Ed...since the radiator fins increase = the=20 pressure on the input side of the radiator, wouldn't it be okay to = return then=20 to the output side of the radiator?

dl
More new features than ever. Check out the new AOL Mail!
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