X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from hub026-nj-1.exch026.serverdata.net ([206.225.166.164] verified) by logan.com (CommuniGate Pro SMTP 6.0.7) with ESMTPS id 6506603 for flyrotary@lancaironline.net; Tue, 08 Oct 2013 09:35:16 -0400 Received-SPF: none receiver=logan.com; client-ip=206.225.166.164; envelope-from=jwhaley@datacast.com Received: from MBX026-E1-NJ-6.exch026.domain.local ([10.240.14.56]) by HUB026-NJ-1.exch026.domain.local ([10.240.14.30]) with mapi id 14.03.0123.003; Tue, 8 Oct 2013 06:34:42 -0700 From: Jeff Whaley To: Rotary motors in aircraft Subject: Multiple coollant pressure Caps Thread-Topic: Multiple coollant pressure Caps Thread-Index: Ac7EKyScdRlNS1OSQ7S2OvdzK/iFhQ== Date: Tue, 8 Oct 2013 13:34:41 +0000 Message-ID: <234B758DE9A64449BEB6BB5D1345CA7A3611BE6B@mbx026-e1-nj-6.exch026.domain.local> Accept-Language: en-CA, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [209.87.232.162] Content-Type: multipart/alternative; boundary="_000_234B758DE9A64449BEB6BB5D1345CA7A3611BE6Bmbx026e1nj6exch_" MIME-Version: 1.0 --_000_234B758DE9A64449BEB6BB5D1345CA7A3611BE6Bmbx026e1nj6exch_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable My original radiator was custom-built and had no filler neck. I bought a n= ew stock radiator that comes with a filler neck and pressure cap. I alread= y have an expansion tank high on the firewall with a filler neck and pressu= re cap. The radiator will be mounted under the engine. In this scenario i= s it acceptable to have 2 pressure caps? I don't really want the second ca= p and am considering getting it welded shut - but do I have to? If the low= er-mounted pressure cap has the highest pressure rating I'm thinking it sho= uld be okay. Has anyone tried this? Jeff This message, and the documents attached hereto, is intended only for the a= ddressee and may contain privileged or confidential information. Any unauth= orized disclosure is strictly prohibited. If you have received this message= in error, please notify us immediately so that we may correct our internal= records. Please then delete the original message. Thank you. --_000_234B758DE9A64449BEB6BB5D1345CA7A3611BE6Bmbx026e1nj6exch_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

My original radiator was custom-built and had no fil= ler neck.  I bought a new stock radiator that comes with a filler neck= and pressure cap.  I already have an expansion tank high on the firew= all with a filler neck and pressure cap.  The radiator will be mounted under the engine.  In this scenario is it ac= ceptable to have 2 pressure caps?  I don’t really want the secon= d cap and am considering getting it welded shut - but do I have to?  I= f the lower-mounted pressure cap has the highest pressure rating I’m thinking it should be okay.  Has anyone tried this?<= /p>

Jeff

This message, and the documents attached hereto, is intended only for the a= ddressee and may contain privileged or confidential information. Any unauth= orized disclosure is strictly prohibited. If you have received this message= in error, please notify us immediately so that we may correct our internal records. Please then delete the origin= al message. Thank you. --_000_234B758DE9A64449BEB6BB5D1345CA7A3611BE6Bmbx026e1nj6exch_--