X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [64.129.170.194] (HELO VIRCOM1.fcdata.private) by logan.com (CommuniGate Pro SMTP 5.4.4) with ESMTP id 5432296 for flyrotary@lancaironline.net; Wed, 07 Mar 2012 12:17:13 -0500 Received-SPF: none receiver=logan.com; client-ip=64.129.170.194; envelope-from=cbarber@texasattorney.net Received: from FCD-MAIL05.FCDATA.PRIVATE (unverified [172.16.5.24]) by VIRCOM1.fcdata.private (Vircom SMTPRS 5.1.1024.13396) with ESMTP id for ; Wed, 7 Mar 2012 11:15:49 -0600 X-Modus-BlackList: 172.16.5.24=OK;cbarber@texasattorney.net=OK X-Modus-RBL: 172.16.5.24=Excluded X-Modus-Trusted: 172.16.5.24=NO X-Modus-Audit: FALSE;0;0;0 Received: from FCD-MAIL06.FCDATA.PRIVATE ([fe80::697f:d6aa:b87:78d8]) by FCD-MAIL05.FCDATA.PRIVATE ([fe80::809d:a06e:5913:452e%13]) with mapi id 14.01.0355.002; Wed, 7 Mar 2012 11:16:10 -0600 From: Chris Barber To: Rotary motors in aircraft Subject: RE: [FlyRotary] Re: Ground Cooling Thread-Topic: [FlyRotary] Re: Ground Cooling Thread-Index: AQHM/IUz7YU2WM46ZUG/5ss5HrGEtpZfEdF0 Date: Wed, 7 Mar 2012 17:16:09 +0000 Message-ID: <2D41F9BF3B5F9842B164AF93214F3D30F0541FD4@FCD-MAIL06.FCDATA.PRIVATE> References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [69.148.239.2] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 I may have misstated as the radiator gets hot, the hoses are hot and the ov= erflow tank is hot so I think I have proper flow. Very quickly after shutd= own, the top of the radiator where the fans are drawing directly through, i= t is cool. If the fans are turned of, it is hot. My point was more that t= he fans seem to be cooling this part of the duel pass radiator fine. Sorry= for my lack of clarity....it all starts to run together after a while..... I don't have a Schrader valve, I "burp" the system with the AN fitting from= the top of the engine port that leads to the pressure tank. Chris ________________________________________ From: Rotary motors in aircraft [flyrotary@lancaironline.net] on behalf of = Ernest Christley [echristley@att.net] Sent: Wednesday, March 07, 2012 11:09 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Ground Cooling Chris Barber wrote: > Again, I may be creating a problem that does not exist since this is all > fretting about stagnant air on an engine that has a load on it on the > ground, but I do wish to try to best understand it better. >From earlier: >I have two fans pulling air through the heat exchanger and the radiator ar= ea >where the fans are is cool to the touch with the fans on right after >shutdown. If the engine is hot after a run, but your radiators aren't, you definitely= have a problem. I'm using an electric water pump, allowing me to play around with cooling rates a bit. For my tuning r= uns, I would have a blower on the cooler intake, insuring airflow across the radiator. After shutdown, I would then= turn the water pump off for a bit and let the water in the rad cool. Switch the pump back on, and watch the thermost= at. It took a fairly long time to create a 5* dip as the cooled slug of water reached the temp sender. If you get out of the plane after hitting 200* water temps and put your han= d on the radiator right after shutdown...I would say you don't have engine heated water going through the rad. -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.= html=