Return-Path: Received: from sccrmhc12.comcast.net ([204.127.202.56] verified) by logan.com (CommuniGate Pro SMTP 4.2) with ESMTP id 373489 for flyrotary@lancaironline.net; Sat, 21 Aug 2004 13:38:59 -0400 Received-SPF: none receiver=logan.com; client-ip=204.127.202.56; envelope-from=n3773@comcast.net Received: from rv8 (c-24-21-140-241.client.comcast.net[24.21.140.241]) by comcast.net (sccrmhc12) with SMTP id <2004082117382801200q8nrhe> (Authid: n3773@comcast.net); Sat, 21 Aug 2004 17:38:28 +0000 Message-ID: <01aa01c487a5$aa332a50$f18c1518@rv8> Reply-To: "kevin lane" From: "kevin lane" To: "Rotary motors in aircraft" References: Subject: ellipse props Date: Sat, 21 Aug 2004 10:38:21 -0700 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_01A7_01C4876A.FA7C74C0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1437 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1441 This is a multi-part message in MIME format. ------=_NextPart_000_01A7_01C4876A.FA7C74C0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable during the Olympics there is a commercial showing some Vikings sailing, = even water skiing, while the other sailors still row their boats. they = also show some wind turbines. I noticed that the blades on the turbines = look very much like the ellipse prop, a high ratio, very thin chord. = someday maybe house fans might even have blades that work efficiently = (ever see a plane with a prop like a fan? they look more like boat = props to me). I just find it interesting how after something is brought = to your attention, you start seeing it elsewhere. another obvious = example is ed's manifold work. articles are springing up in several = mags about that phenomenon. Kevin Lane Portland, OR e-mail-> n3773@comcast.net web-> http://home.comcast.net/~n3773 (browse w/ internet explorer) ----- Original Message ----- ------=_NextPart_000_01A7_01C4876A.FA7C74C0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
during the Olympics there is = a commercial=20 showing some Vikings sailing, even water skiing, while the other = sailors=20 still row their boats.  they also show some wind turbines.  I = noticed=20 that the blades on the turbines look very much like the ellipse prop, a = high=20 ratio, very thin chord.  someday maybe house fans might even have = blades=20 that work efficiently (ever see a plane with a prop like a fan?  = they look=20 more like boat props to me).  I just find it interesting how after=20 something is brought to your attention, you start seeing it = elsewhere. =20 another obvious example is ed's manifold work.  articles are = springing up=20 in several mags about that phenomenon.
Kevin Lane  Portland, OR
e-mail-> n3773@comcast.net
web-> http://home.comcast.net/~n3773
(browse=20 w/ internet explorer)
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