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 5.2.16) with ESMTP id 3887449 for flyrotary@lancaironline.net; Thu, 15 Oct 2009 20:02:53 -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 2FE9017366B for ; Fri, 16 Oct 2009 08:02:15 +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 9AAE4BEC014 for ; Fri, 16 Oct 2009 08:02:05 +0800 (WST) Message-ID: <6E5AFD4F096A43C68DAB53609B56502A@ownerf1fc517b8> From: "George Lendich" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Dyson Fan Date: Fri, 16 Oct 2009 10:01:52 +1000 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0019_01CA4E47.AF4D6550" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5843 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 X-Antivirus: avast! (VPS 091015-0, 10/15/2009), Outbound message X-Antivirus-Status: Clean This is a multi-part message in MIME format. ------=_NextPart_000_0019_01CA4E47.AF4D6550 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable 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=92t = see any deifying of the laws of physics so far.=20 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.=20 The Dyson is neat but not $300 plus dollars neat. Like his $500 dollar = vacuum cleaner???? Lynn E. Hanover Lynn I know - but the wife had to have it. You know what their like, = anything to keep the peace. George ( down under) ------=_NextPart_000_0019_01CA4E47.AF4D6550 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable

Now the=20 real question is how this fan induced flow is capable of = inducting a 15=20 time greater flow of air. The principal would appear to be the = same as=20 exhaust augmentation with a lot less energy. So don=92t see any = deifying=20 of the laws of physics so far.=20

But, = if=20 it works for the dyson fan, then why not get 15 times {:>) your = current=20 cooling air flow sitting on the ground with your engine=20 running?:

Look at = venturi and=20 eductors. Used in moving huge amounts of fuel and water back and forth = in=20 ships to maintain trim using a small amount of the fluid at very high=20 velocity. See also, jet pumps. The augmentor tubes in aircraft use a = similar=20 (venturi) principal. Nothing to see here.................move along. = 1900s=20 technology.

The magic = is the=20 application. I own one of the few remaining fans designed by Jim Bede. = Several=20 ring shaped guide vanes. Very effective.

The Dyson = is neat but=20 not $300 plus dollars neat. Like his $500 dollar vacuum=20 cleaner????

Lynn E.=20 Hanover

Lynn

I know - = but the wife=20 had to have it. You know what their like, anything to keep the=20 peace.

George ( = down=20 under)

------=_NextPart_000_0019_01CA4E47.AF4D6550--