Return-Path: Received: from [216.52.245.18] (HELO ispwestemail2.mdeinc.com) by logan.com (CommuniGate Pro SMTP 4.2.5) with ESMTP id 523797 for flyrotary@lancaironline.net; Mon, 08 Nov 2004 23:08:22 -0500 Received-SPF: none receiver=logan.com; client-ip=216.52.245.18; envelope-from=wschertz@ispwest.com Received: from 7n7z201 (unverified [67.136.145.197]) by ispwestemail2.mdeinc.com (Vircom SMTPRS 4.0.330.8) with SMTP id for ; Mon, 8 Nov 2004 20:07:44 -0800 Message-ID: <009401c4c611$ac623f00$cf918843@7n7z201> From: "William" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: EWP Info Date: Mon, 8 Nov 2004 22:07:13 -0600 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_008F_01C4C5DF.4D362730" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_008F_01C4C5DF.4D362730 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MessageTodd got 9 gal/min flow rate through the rads, I sent some = calculations that indicate that you have to have a substantial = temperature drop across the radiators, (or rise across the engine) to = TRANSPORT the heat from the engine to the radiators. This is possible, = but only if the air is cool enough to allow you to get this bigger water = delta-T. Bill Schertz KIS Cruiser # 4045 ----- Original Message -----=20 From: Russell Duffy=20 To: Rotary motors in aircraft=20 Sent: Monday, November 08, 2004 7:53 AM Subject: [FlyRotary] Re: EWP Info That should give you enough flow to run safely to about 25-30 hp. Al=20 Let's see, I'm pulling 3.6 amps, and Todd is pulling 4.3 amps. What = does your calculator say he can safely cool? Maybe 35 hp ??? Hmmm, I = sure thought his turbo engine would be putting out more power than that = :-) I'll run a ground test next weekend, and will have a pretty good idea = of how it compares to the mechanical pump. I'm absolutely confident = that I can cool far more than 30 hp, and if you could hear the flow of = water through the engine when the EWP is on, you'd throw that calculator = in the trash :-) =20 Cheers, Rusty (undaunted by disbelievers)=20 ------=_NextPart_000_008F_01C4C5DF.4D362730 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
Todd got 9 gal/min flow rate through = the rads, I=20 sent some calculations that indicate that you have to have a substantial = temperature drop across the radiators, (or rise across the engine) to = TRANSPORT=20 the heat from the engine to the radiators. This is possible, but only if = the air=20 is cool enough to allow you to get this bigger water = delta-T.
 
 
Bill Schertz
KIS Cruiser # 4045
----- Original Message -----
From:=20 Russell=20 Duffy
Sent: Monday, November 08, 2004 = 7:53=20 AM
Subject: [FlyRotary] Re: EWP = Info

That = should give=20 you enough flow to run safely to about 25-30 hp.

 

Al 

 

Let's see, I'm=20 pulling 3.6 amps, and Todd is pulling 4.3 amps.  What does = your=20 calculator say he can safely cool?  Maybe 35 hp ???   = Hmmm, I=20 sure thought his turbo engine would be putting out more power than = that=20 :-)

 

I'll run=20 a ground test next weekend, and will have a pretty good idea of = how it=20 compares to the mechanical pump.  I'm absolutely confident = that I=20 can cool far more than 30 hp, and if you could hear the flow of water = through=20 the engine when the EWP is on, you'd throw that calculator in the = trash=20 :-)    

 

Cheers,

Rusty=20 (undaunted by disbelievers) 

 

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