X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fed1rmmtao09.cox.net ([68.230.241.30] verified) by logan.com (CommuniGate Pro SMTP 5.0c5) with ESMTP id 774324 for flyrotary@lancaironline.net; Thu, 20 Oct 2005 01:46:11 -0400 Received-SPF: none receiver=logan.com; client-ip=68.230.241.30; envelope-from=ALVentures@cox.net Received: from BigAl ([68.7.14.39]) by fed1rmmtao09.cox.net (InterMail vM.6.01.05.02 201-2131-123-102-20050715) with ESMTP id <20051020054519.GBMV9260.fed1rmmtao09.cox.net@BigAl> for ; Thu, 20 Oct 2005 01:45:19 -0400 From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] flyrotary NACA scoops Date: Wed, 19 Oct 2005 22:45:33 -0700 Message-ID: <000501c5d539$7cb53630$6400a8c0@BigAl> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0006_01C5D4FE.D0565E30" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_0006_01C5D4FE.D0565E30 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable . It also has a bluff body at the back of the cylinders. I know this = will offend the canard guys, but the aft end of a canard is bad...really bad =20 Yeah; and the bluff front end of a tractor is bad . . . really bad; plus = you have all the turbulence from the prop wash making higher drag over the fuselage. Take your pick. =20 Good summary of application of NACA scoop, BTW. =20 Al ------=_NextPart_000_0006_01C5D4FE.D0565E30 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

. It also has a bluff body = at the back of the cylinders. I know this will offend the canard guys, but the = aft end of a canard is bad...really bad

 

Yeah; and the bluff front end of = a tractor is bad . . . really bad; plus you have all the turbulence from = the prop wash making higher drag over the fuselage.  Take your = pick.

 

Good summary of application of = NACA scoop, BTW.

 

Al

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