Return-Path: <13brv3@bellsouth.net> Received: from imf17aec.mail.bellsouth.net ([205.152.59.65] verified) by logan.com (CommuniGate Pro SMTP 4.1.6) with ESMTP id 2708125 for flyrotary@lancaironline.net; Mon, 03 Nov 2003 14:37:01 -0500 Received: from rad ([68.212.11.237]) by imf17aec.mail.bellsouth.net (InterMail vM.5.01.05.27 201-253-122-126-127-20021220) with ESMTP id <20031103193659.KEDV1816.imf17aec.mail.bellsouth.net@rad> for ; Mon, 3 Nov 2003 14:36:59 -0500 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: radiator at cowl outlet? Date: Mon, 3 Nov 2003 13:37:01 -0600 Message-ID: <000001c3a241$da3869d0$6001a8c0@rad> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C3A20F.8F9DF9D0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4510 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 This is a multi-part message in MIME format. ------=_NextPart_000_0001_01C3A20F.8F9DF9D0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Been think (always a bad idea in my case) about your concern of = heating the air before the radiator (if installed in the outflow area). While = there is no question there would be some heating by such things as the turbo, = etc. I am not certain that it would significantly effect the air temperature, particularly in flight.=20 =20 Hi Ed, =20 Thanks for the comments. I think this all boils down to how long the = air stays in the cowling. If we try to slow the air down to minimize drag, = the result will be hotter air going into the radiator, so it seems obvious = that having the radiator at the outlet of the cowl will never be the best situation. It might still be perfectly acceptable, but I just can't = say. =20 Cheers, Rusty =20 ------=_NextPart_000_0001_01C3A20F.8F9DF9D0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message
    Been think (always a bad idea in my = case) about=20 your concern of heating the air before the radiator (if installed in the = outflow=20 area).  While there is no question there would be some heating by = such=20 things as the turbo, etc.  I am not certain that it would = significantly=20 effect the air temperature, particularly in flight. 
 
Hi=20 Ed,
 
Thanks for the=20 comments.  I think this all boils down to how long the air stays in = the=20 cowling.  If we try to slow the air down to minimize drag, the = result will=20 be hotter air going into the radiator, so it seems obvious that having = the=20 radiator at the outlet of the cowl will never be the best = situation.  It=20 might still be perfectly acceptable, but I just can't=20 say.
 
Cheers,
Rusty
 
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