X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mtiwmhc12.worldnet.att.net ([204.127.131.116] verified) by logan.com (CommuniGate Pro SMTP 5.0.9) with ESMTP id 1110131 for flyrotary@lancaironline.net; Fri, 12 May 2006 00:15:20 -0400 Received-SPF: none receiver=logan.com; client-ip=204.127.131.116; envelope-from=keltro@att.net Received: from mwebmail24.att.net ([204.127.135.63]) by worldnet.att.net (mtiwmhc12) with SMTP id <20060512041424112005eed1e>; Fri, 12 May 2006 04:14:34 +0000 Received: from [63.157.93.144] by mwebmail24.att.net; Fri, 12 May 2006 04:14:23 +0000 From: keltro@att.net (Kelly Troyer) To: "Rotary motors in aircraft" Subject: Re: oil cooler lines Date: Fri, 12 May 2006 04:14:23 +0000 Message-Id: <051220060414.12789.44640B9E000BC71D000031F52160376223019D9B040A05@att.net> X-Mailer: AT&T Message Center Version 1 (Feb 28 2006) X-Authenticated-Sender: a2VsdHJvQGF0dC5uZXQ= MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="NextPart_Webmail_9m3u9jl4l_12789_1147407263_0" --NextPart_Webmail_9m3u9jl4l_12789_1147407263_0 Content-Type: text/plain Content-Transfer-Encoding: 8bit -------------- Original message from Lehanover@aol.com: -------------- I have one cooler in the pressure loop and two in series in the scavenge loop. All runs are dash 12. Be sure that any air will be scavenged from the coolers in normal cruise. So a big dose cannot be saved up and dumped into the engine at one time. Oil out at the top of the cooler. Cold startup may have the front relief opening, or worse, may pop the case to iron "O" ring. If you have not built up the engine yet, I would eliminate that junction. And have minimum drag from hose size. Lynn E. Hanover Lynn, This is a little late but after rereading your answer to Bob Mears I wondered how you would eliminate the front relief valve opening and case to iron "O" ring ?? Kelly Troyer --NextPart_Webmail_9m3u9jl4l_12789_1147407263_0 Content-Type: text/html Content-Transfer-Encoding: 8bit
 




 

-------------- Original message from Lehanover@aol.com: --------------

 
I have one cooler in the pressure loop and two in series in the scavenge loop. All runs are dash 12.
 
Be sure that any air will be scavenged from the coolers in normal cruise. So a big dose cannot be saved up and dumped into the engine at one time.  Oil out at the top of the cooler.
 
Cold startup may have the front relief opening, or worse, may pop the case to iron "O" ring.
If you have not built up the engine yet, I would eliminate that junction. And have minimum drag from hose size.
 
Lynn E. Hanover
 
 
Lynn,
   This is a little late but after rereading your answer to Bob Mears I wondered how
you would eliminate the front relief valve opening and case to iron "O" ring ??
 
 
Kelly Troyer
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