X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from smtp124.sbc.mail.re3.yahoo.com ([66.196.96.97] verified) by logan.com (CommuniGate Pro SMTP 5.2.16) with SMTP id 3855237 for flyrotary@lancaironline.net; Wed, 16 Sep 2009 11:23:51 -0400 Received-SPF: none receiver=logan.com; client-ip=66.196.96.97; envelope-from=downing.j@sbcglobal.net Received: (qmail 61189 invoked from network); 16 Sep 2009 15:23:17 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=sbcglobal.net; h=Received:X-YMail-OSG:X-Yahoo-Newman-Property:Message-ID:From:To:References:In-Reply-To:Subject:Date:MIME-Version:Content-Type:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE; b=oj31L6o3NFObOPMUG4z1aw8iEp2KyytE/iQ5APrHfxZglf1uJOYN0x2pMSF7lmfr2BIibN5AifdItFishKf4LjyoVM1NZYRrfVUa1Y5T62ICvrfzgtKagkTxCZxV5LWyLcQS9/fblKK2AJ55zUEqbHO2y8qxZ7EJX7Gno9fAO6Q= ; Received: from unknown (HELO JohnPC) (downing.j@76.210.117.18 with login) by smtp124.sbc.mail.re3.yahoo.com with SMTP; 16 Sep 2009 15:23:16 -0000 X-YMail-OSG: L7Y7pRIVM1npIoAvzliRy4gxBdhL7fXqOG.4plunGcqiJqirZqypOuLzgM_J_FxBYoYVDKhaM9iAVTH79Ox58vosS1UyrVZX9eCoSEqp7zkvSN4srpfKOMd3Qj9EgMOLHWCEcF4iiakBWZ5VGORmEzZQCR8rw6amALr.LHJbKedGtELK2u.f_nxoiOPnqEcdzfyVoXtFKHnvmQAmAGq4edwrBJwnbFIQEUHVPssBU9f4kJMXWMbmAqqJ_BDq4i4rJO082e_3eWges5HbMMSzJysTgrJaeEDyoH0ZN6fpwF5Avcq2Jj37CA4Z205SJ2D5Q1F1mUNAtJfqnsdzT5MIWBpWKBZpHA-- X-Yahoo-Newman-Property: ymail-3 Message-ID: From: "John" To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] Re: cooling Date: Wed, 16 Sep 2009 11:23:15 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0021_01CA36C0.159DBC00" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Windows Mail 6.0.6002.18005 X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6002.18005 This is a multi-part message in MIME format. ------=_NextPart_000_0021_01CA36C0.159DBC00 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Mark, it is on the pump outlet side, which leads me to believe that I = need cooling to the pump. The pump is one that I purchased from Tracy. = The inlet side is also plumbed to the low pressure pumps to the Weber 48 = carb. and it ran okay on the carb. Today the temperature is 63, so I'll = run it and check it again with the cowl on. JohnD ----- Original Message -----=20 From: Mark Steitle=20 To: Rotary motors in aircraft=20 Sent: Tuesday, September 15, 2009 9:55 PM Subject: [FlyRotary] Re: cooling John,=20 You didn't specify if it was the pump inlet or outlet that was too hot = to touch. If it was the inlet, you may have been experiencing vapor = lock. It would take much more heat for vapor lock to be on the high = pressure side. Mark ------=_NextPart_000_0021_01CA36C0.159DBC00 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Mark, it is on the pump outlet side, = which leads me=20 to believe that I need cooling to the pump.  The pump is one that I = purchased from Tracy.  The inlet side is also plumbed to the low = pressure=20 pumps to the Weber 48 carb. and it ran okay on the carb.  Today the = temperature is 63, so I'll run it and check it again with the cowl = on. =20 JohnD
----- Original Message -----
From:=20 Mark = Steitle=20
Sent: Tuesday, September 15, = 2009 9:55=20 PM
Subject: [FlyRotary] Re: = cooling

John,
 
You didn't specify if it was the pump inlet or outlet that = was too=20 hot to touch.  If it was the inlet, you may have been = experiencing vapor=20 lock.  It would take much more heat for vapor lock to be on the = high=20 pressure side.
 
Mark


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