Return-Path: <13brv3@bellsouth.net> Received: from imf17aec.mail.bellsouth.net ([205.152.59.65] verified) by logan.com (CommuniGate Pro SMTP 4.3c2) with ESMTP id 769316 for flyrotary@lancaironline.net; Thu, 03 Mar 2005 19:45:34 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.65; envelope-from=13brv3@bellsouth.net Received: from rd ([65.6.194.9]) by imf17aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20050304004449.TPER2031.imf17aec.mail.bellsouth.net@rd> for ; Thu, 3 Mar 2005 19:44:49 -0500 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: EWP Test Results/DRAG Date: Thu, 3 Mar 2005 18:45:44 -0600 Message-ID: <00c101c52053$7ff16cb0$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00C2_01C52021.3556FCB0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2527 In-Reply-To: Importance: Normal This is a multi-part message in MIME format. ------=_NextPart_000_00C2_01C52021.3556FCB0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Here's the data from the Engineering Toolbox. The viscosity changes a factor of 4 from 80 to 200 F. That site has an enormous amount of good information. Does this change in viscosity actually translate into an equal change in flow rate? If so, you have to wonder if anyone has tested the EWP's at normal engine temps. I know Todd had his set up for in-flight flow measurements. How about it Todd? Did you see significantly more flow when hot? Rusty (Slingshot regaining the lead for single rotor test mule) ------=_NextPart_000_00C2_01C52021.3556FCB0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

Here's the data from the Engineering Toolbox.  = The=20 viscosity changes a factor of 4 from 80 to 200 F.  That site has an = enormous amount of good information.

 
Does = this change in=20 viscosity actually translate into an equal change in flow rate?  If = so, you=20 have to wonder if anyone has tested the EWP's at normal engine = temps. =20
 
I know = Todd had his set=20 up for in-flight flow measurements.  How about it Todd?  Did = you see=20 significantly more flow when hot?
 
Rusty = (Slingshot=20 regaining the lead for single rotor test mule)




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