X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.120] verified) by logan.com (CommuniGate Pro SMTP 5.2.16) with ESMTP id 3887434 for flyrotary@lancaironline.net; Thu, 15 Oct 2009 19:41:49 -0400 Received-SPF: pass receiver=logan.com; client-ip=75.180.132.120; envelope-from=eanderson@carolina.rr.com Received: from computername ([75.191.186.236]) by cdptpa-omta04.mail.rr.com with ESMTP id <20091015234112144.UHGZ13254@cdptpa-omta04.mail.rr.com> for ; Thu, 15 Oct 2009 23:41:12 +0000 From: "Ed Anderson" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Dyson Fan Date: Thu, 15 Oct 2009 19:41:12 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0006_01CA4DCF.746C63F0" X-Mailer: Microsoft Office Outlook, Build 11.0.5510 In-Reply-To: Thread-Index: AcpN6MELMewKy9GiSK6lKCydIL0BlQAByivA X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 Message-Id: <20091015234112144.UHGZ13254@cdptpa-omta04.mail.rr.com> This is a multi-part message in MIME format. ------=_NextPart_000_0006_01CA4DCF.746C63F0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Ok, you've convinced me, Lynn. Now how do I go about scaling that dyson circle so I can get 15 times the airflow through my cowl. Never doubted that venture effect would move air and exhaust augmentation does essentially the same. But, must confess I never would have guessed you get 15 more out of it than you put in. I mean that's pretty dog gone good. 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 _____ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Lynn Hanover Sent: Thursday, October 15, 2009 6:42 PM To: Rotary motors in aircraft Subject: [FlyRotary] Dyson Fan Now the real question is how this fan induced flow is capable of inducting a 15 time greater flow of air. The principal would appear to be the same as exhaust augmentation with a lot less energy. So don't see any deifying of the laws of physics so far. But, if it works for the dyson fan, then why not get 15 times {:>) your current cooling air flow sitting on the ground with your engine running?: Look at venturi and eductors. Used in moving huge amounts of fuel and water back and forth in ships to maintain trim using a small amount of the fluid at very high velocity. See also, jet pumps. The augmentor tubes in aircraft use a similar (venturi) principal. Nothing to see here.................move along. 1900s technology. The magic is the application. I own one of the few remaining fans designed by Jim Bede. Several ring shaped guide vanes. Very effective. The Dyson is neat but not $300 plus dollars neat. Like his $500 dollar vacuum cleaner???? Lynn E. Hanover ------=_NextPart_000_0006_01CA4DCF.746C63F0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Ok, you’ve convinced me, = Lynn.  Now how do I go about scaling that dyson circle so I can get 15 times the airflow = through my cowl.  Never doubted that venture effect would move air and = exhaust augmentation does essentially the same.  But, must confess I never = would have guessed you get 15 more out of it than you put in.  I mean = that’s pretty dog gone good.

From: = Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Lynn Hanover
Sent: Thursday, October = 15, 2009 6:42 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] = Dyson Fan

 

 Now the real question is how = this fan induced flow  is capable of inducting a 15 time greater flow of = air.  The principal would appear to be the same as exhaust augmentation with a = lot less energy.  So don’t see any deifying of the laws of = physics so far.

 But,  if it works for = the dyson fan, then why not get 15 times {:>) your current cooling air flow = sitting on the ground with your engine running?:

 

 

 

Look at venturi and eductors. Used = in moving huge amounts of fuel and water back and forth in ships to = maintain trim using a small amount of the fluid at very high velocity. See also, jet = pumps. The augmentor tubes in aircraft use a similar (venturi) principal. = Nothing to see here.................move along. 1900s = technology.

 

The magic is the application. I own = one of the few remaining fans designed by Jim Bede. Several ring shaped guide = vanes. Very effective.

 

The Dyson is neat but not $300 plus = dollars neat. Like his $500 dollar vacuum = cleaner????

 

Lynn E. = Hanover

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