Return-Path: <13brv3@bellsouth.net> Received: from imf20aec.mail.bellsouth.net ([205.152.59.68] verified) by logan.com (CommuniGate Pro SMTP 4.1.8) with ESMTP id 2902962 for flyrotary@lancaironline.net; Tue, 23 Dec 2003 18:27:54 -0500 Received: from rad ([68.212.14.235]) by imf20aec.mail.bellsouth.net (InterMail vM.5.01.06.05 201-253-122-130-105-20030824) with ESMTP id <20031223232753.MCPL1881.imf20aec.mail.bellsouth.net@rad> for ; Tue, 23 Dec 2003 18:27:53 -0500 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: dual EWP plumbing? Date: Tue, 23 Dec 2003 17:27:55 -0600 Message-ID: <036901c3c9ac$64e939b0$6001a8c0@rad> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_036A_01C3C97A.1A4EC9B0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4510 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 Importance: Normal In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_036A_01C3C97A.1A4EC9B0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable I don't see the difference. It's a closed circuit. There is a pressure drop across the engine, and one across the radiator, both drops determined by the flow and their individual resistance to that flow. It's the A+B=3DB+A thing (isn't it?) There will be a difference in pressure along the circuit, though it may = not be enough to really matter to us. You mentioned electrical circuits = before. Imagine a simple series circuit, with a 10V battery (pump), and two 5 = ohm resistors (engine and radiator). The highest voltage (pressure) will = exist at the terminal of the battery (outlet of the pump). Every time it goes though a resistor it will drop. =20 http://www.ernest.isa-geek.org/ I just noticed your web site name :-) That's funny. =20 Rusty (geeks- it takes one to know one ) ------=_NextPart_000_036A_01C3C97A.1A4EC9B0 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Message

I don't see the difference.  It's a closed = circuit. =20 There is a pressure
drop across the engine, and one across the = radiator, both=20 drops
determined by the flow and their individual resistance to that=20 flow.
It's the A+B=3DB+A thing (isn't it?)

There = will be a=20 difference in pressure along the circuit, though it may not be enough to = really=20 matter to us.  You mentioned electrical circuits before.  = Imagine a=20 simple series circuit, with a 10V battery (pump), and two 5 = ohm=20 resistors (engine and radiator).  The highest voltage (pressure) = will exist=20 at the terminal of the battery (outlet of the pump).  Every time it = goes=20 though a resistor it will drop.  


http://www.ernest.isa-geek.org/<= /A>

I just = noticed your web=20 site name :-)  That's funny. 

Rusty (geeks- it takes one to know = one=20 <g>)

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