X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from wf-out-1314.google.com ([209.85.200.172] verified) by logan.com (CommuniGate Pro SMTP 5.2.3) with ESMTP id 2949080 for flyrotary@lancaironline.net; Mon, 02 Jun 2008 03:40:49 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.200.172; envelope-from=bartrim@gmail.com Received: by wf-out-1314.google.com with SMTP id 23so798519wfg.25 for ; Mon, 02 Jun 2008 00:40:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:from:to:subject:date:message-id:mime-version:content-type:x-priority:x-msmail-priority:x-mailer:x-mimeole:importance:in-reply-to; bh=FFEBk8TRFh8dgRJG2JiSooZ/o7M6CgUz7NjmnIUYlvw=; b=u43XBgmGFeP+ccazvhGa3/spw4x1v0YZydoGKArx1Mt3YiI1AO5Ycr8m5JMz4alGCkZSsNHQTpmjs+0OEpFOSfsYBvKKEz+v//Drpp0rMIuOQveGqQRSAG3HtF5zqQ36H5BuT4iuqy6ItcXtCkbsXUNF4b5/NbqYuUqlWc3oras= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:subject:date:message-id:mime-version:content-type:x-priority:x-msmail-priority:x-mailer:x-mimeole:importance:in-reply-to; b=kZZIh41fAEkxRtyZ5nxpueg6rws5K6CjcwQp0pMoroGtajfj/W41jONwMS3VmKjJaLz7iaS0LIQlICXe77mPqxOz51bgMjjOYUN3Q6RStoba4dp6zo1FRg9cF47eC3oSM841iQPKA+s2qvjM+/U/H3L5X6tIysnnAH7Tb4d9AZc= Received: by 10.142.222.21 with SMTP id u21mr3432507wfg.41.1212392410489; Mon, 02 Jun 2008 00:40:10 -0700 (PDT) Return-Path: Received: from Endurance ( [154.5.208.19]) by mx.google.com with ESMTPS id 30sm200805wff.8.2008.06.02.00.40.08 (version=SSLv3 cipher=RC4-MD5); Mon, 02 Jun 2008 00:40:09 -0700 (PDT) From: "Todd Bartrim" To: "Rotary motors in aircraft" Subject: RE: [FlyRotary] Re: Heater Control Valve Date: Mon, 2 Jun 2008 00:39:06 -0700 Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_002E_01C8C449.1069E050" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0) X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.3198 Importance: Normal In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_002E_01C8C449.1069E050 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8bit Like Ed, I also wanted to have the ability to shut off coolant to the cockpit. Many of the available heater control valves appear to do just that as they have 2 tube nipples stacked together (a quick search on the net failed to find an image of one), however it is just a tease, as none of the ones I found actually control the flow in the bottom tube. This makes it kind of pointless and if used, requires another set of hose clamps… more weight and another place to leak. So I live with coolant pressure in the cockpit at all times… probably never going to be a problem. Todd Bartrim -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]On Behalf Of Ed Anderson Sent: Sunday, June 01, 2008 5:08 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Heater Control Valve Hi Scott, I have a valve in one of my coolant lines to my heater core. It does an effective job of keeping the hot coolant circulating through the core - however, it does not perform the one function I had wanted and that was shutting off the coolant in case of a leak. You would need a valve in both lines (duh!) to the core - at least that is the way it appears to me. Ed ------=_NextPart_000_002E_01C8C449.1069E050 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Li= ke Ed, I also wanted to have the ability to shut off coolant to the cockpit. Many = of the available heater control valves appear to do just that as they have 2 = tube nipples stacked together (a quick search on the net failed to find an = image of one), however it is just a tease, as none of the ones I found actually = control the flow in the bottom tube. This makes it kind of pointless and if = used, requires another set of hose clamps… more weight and another place = to leak. So I live with coolant pressure in the cockpit at all times… probably = never going to be a problem.

 

Todd Bartrim<= o:p>

<= span class=3DEmailStyle17> 

-----Original Message-----
From: Rotary motors in = aircraft [mailto:flyrotary@lancaironline.net]On Behalf Of Ed Anderson
Sent: Sunday, June 01, = 2008 5:08 AM
To: Rotary motors in = aircraft
Subject: [FlyRotary] Re: = Heater Control Valve

 

Hi Scott,

 <= /p>

I have a valve in one of my coolant lines to my heater = core.  It does an effective job of keeping the hot coolant circulating through the core - however, it does not perform the one function I = had wanted and that was shutting off the coolant in case of a leak.  = You would need a valve in both lines (duh!)  to the core - at least that is = the way it appears to me.

 <= /p>

Ed

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