X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from poplet2.per.eftel.com ([203.24.100.45] verified) by logan.com (CommuniGate Pro SMTP 5.2.15) with ESMTP id 3765185 for flyrotary@lancaironline.net; Sun, 19 Jul 2009 21:41:23 -0400 Received-SPF: none receiver=logan.com; client-ip=203.24.100.45; envelope-from=lendich@aanet.com.au Received: from sv1-1.aanet.com.au (sv1-1.per.aanet.com.au [203.24.100.68]) by poplet2.per.eftel.com (Postfix) with ESMTP id D33701738C3 for ; Mon, 20 Jul 2009 09:40:45 +0800 (WST) Received: from ownerf1fc517b8 (203.171.92.134.static.rev.aanet.com.au [203.171.92.134]) by sv1-1.aanet.com.au (Postfix) with SMTP id 8CB7CBEC00B for ; Mon, 20 Jul 2009 09:40:43 +0800 (WST) Message-ID: <22233442EA4C434BB51A70B7FAA0E736@ownerf1fc517b8> From: "George Lendich" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] K&W Stream Duct Explanation Date: Mon, 20 Jul 2009 11:40:46 +1000 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0012_01CA092E.EBC9D8A0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5512 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 X-Antivirus: avast! (VPS 090719-1, 07/19/2009), Outbound message X-Antivirus-Status: Clean This is a multi-part message in MIME format. ------=_NextPart_000_0012_01CA092E.EBC9D8A0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Ed, Because of insufficient room under cowl, many are using the chisel or = tapered (my name for it) shaped chamber rather than the bell shaped. To = me, it looks to be, like one side of the bell shaped chamber, or like = squeezing a bell shape down to one side. Have you studied this approach = and do you think it's comparable. George (down under) Hi Gang =20 I came across a abstraction of K&W's theory of the Streamline duct = that I put together a number of year ago. While it is my interpretation = and therefore subject to error, I have not found anything in the = intervening years that indicates a misunderstanding. While it is not = exactly light reading, I think it is easier to follow than K&W. =20 In any case, I thought I would make it available to promote = understanding and discussion {:>)) of one approach to cooling our = installations. =20 This paper targets four topic areas: =20 a.. Diffusers In General=20 b.. StreamLine Duct=20 c.. Importance of Inlet to Core area ( Ai/AB ratio)=20 d.. Truncation of StreamLine Duct=20 =20 =20 Best Regards =20 Ed =20 =20 Ed Anderson Rv-6A N494BW Rotary Powered Matthews, NC eanderson@carolina.rr.com http://www.andersonee.com http://www.dmack.net/mazda/index.html http://www.flyrotary.com/ http://members.cox.net/rogersda/rotary/configs.htm#N494BW http://www.rotaryaviation.com/Rotorhead%20Truth.htm =20 __________ Information from ESET NOD32 Antivirus, version of virus = signature database 3267 (20080714) __________ The message was checked by ESET NOD32 Antivirus. http://www.eset.com -------------------------------------------------------------------------= ----- -- Homepage: http://www.flyrotary.com/ Archive and UnSub: = http://mail.lancaironline.net:81/lists/flyrotary/List.html ------=_NextPart_000_0012_01CA092E.EBC9D8A0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Ed,
Because of insufficient room under = cowl, many=20 are using the chisel or tapered (my name for it) shaped chamber = rather than=20 the bell shaped. To me, it looks to be, like one side of the bell = shaped=20 chamber, or like squeezing a bell shape down to one side. Have you = studied=20 this approach and do you think it's comparable.
George (down under)

Hi=20 Gang

 

I came across a = abstraction=20 of  K&W=92s = theory of the=20 Streamline duct that I put together a number of year ago.  While = it is my=20 interpretation and therefore subject to error, I have not found = anything in=20 the intervening years that indicates a misunderstanding.  While = it is not=20 exactly light reading, I think it is easier to follow than = K&W.

 

In any case, I thought I = would=20 make it available to promote understanding and discussion {:>)) of = one=20 approach to cooling our installations.

 

This paper targets four topic=20 areas:

 

  • Diffusers In=20 General
  • StreamLine Duct=20
  • Importance of=20 Inlet to Core area ( Ai/AB=20 ratio)
  • Truncation of=20 StreamLine Duct

 

 

Best=20 Regards

 

Ed

 

 

Ed=20 Anderson

Rv-6A N494BW Rotary=20 Powered

Matthews,=20 NC

eanderson@carolina.rr.com

http://www.andersonee.com

http://www.dmack.net/mazda/index.html

http://www.flyrotary.com/

http://members.cox.net/rogersda/rotary/configs.htm#N494BW

http://www.r= otaryaviation.com/Rotorhead%20Truth.htm

 



__________=20 Information from ESET NOD32 Antivirus, version of virus signature = database=20 3267 (20080714) __________

The message was checked by ESET = NOD32=20 Antivirus.

http://www.eset.com

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Homepage:  http://www.flyrotary.com/
Archive and=20 UnSub:  =20 = http://mail.lancaironline.net:81/lists/flyrotary/List.html
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