Return-Path: <13brv3@bellsouth.net> Received: from imf17aec.mail.bellsouth.net ([205.152.59.65] verified) by logan.com (CommuniGate Pro SMTP 4.1.5) with ESMTP id 2637086 for flyrotary@lancaironline.net; Tue, 14 Oct 2003 22:28:28 -0400 Received: from rad ([68.212.14.231]) by imf17aec.mail.bellsouth.net (InterMail vM.5.01.05.27 201-253-122-126-127-20021220) with ESMTP id <20031015022827.TSML1795.imf17aec.mail.bellsouth.net@rad> for ; Tue, 14 Oct 2003 22:28:27 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: EWP - series pumps and wacky ideas Date: Tue, 14 Oct 2003 21:29:01 -0500 Message-ID: <000001c392c4$183ef3d0$6001a8c0@rad> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C3929A.2F68EBD0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4510 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 This is a multi-part message in MIME format. ------=_NextPart_000_0001_01C3929A.2F68EBD0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit If it was me, I'd do a little testing - start at cruise at altitude - and shut off the pump and see what happens and how fast. I'll just have to wait and see how it works for you, because there's no way I'm doing it. I think you're closer to underestimating the damage, than I am to overestimating it, and if I have to be wrong, I'd much rather be on the safe side. I think the temps will rise slowly enough to give you plenty of time to turn on the backup in case of failure of the primary. I'm sure the temp "gauge" will rise slowly, because there's no water flow, and the sensor isn't near the combustion chamber. I'm also sure that the combustion area of the block will be overheating like crazy. Why would you intentionally subject your engine to that? Rusty ------=_NextPart_000_0001_01C3929A.2F68EBD0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

If it was me, I'd do a little testing - start at = cruise at=20 altitude - and shut off the pump and see what happens and how = fast.

I'll just have to wait and see how = it works=20 for you, because there's no way I'm doing it.  I think you're = closer to=20 underestimating the damage, than I am to overestimating it, and if I = have to be=20 wrong, I'd much rather be on the safe side. 

  I think the temps will rise slowly enough to = give you=20 plenty of time to turn on the backup in case of failure of the=20 primary.

I'm sure = the temp=20 "gauge" will rise slowly, because there's no water flow, and the=20 sensor isn't near the combustion chamber.  I'm also sure = that the=20 combustion area of the block will be overheating like = crazy.  Why=20 would you intentionally subject your engine to that? 
 
Rusty=20
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