Return-Path: Received: from imf20aec.mail.bellsouth.net ([205.152.59.68] verified) by logan.com (CommuniGate Pro SMTP 4.2b5) with ESMTP id 142204 for flyrotary@lancaironline.net; Sun, 06 Jun 2004 21:22:18 -0400 Received: from TOSHIBAjhr ([209.214.13.81]) by imf20aec.mail.bellsouth.net (InterMail vM.5.01.06.08 201-253-122-130-108-20031117) with SMTP id <20040607012147.WPHM18130.imf20aec.mail.bellsouth.net@TOSHIBAjhr> for ; Sun, 6 Jun 2004 21:21:47 -0400 From: "John Slade" To: "Rotary motors in aircraft" Subject: RE: [FlyRotary] Re: opinion Date: Sun, 6 Jun 2004 21:21:44 -0400 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0) X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 Importance: Normal In-Reply-To: > The 1-3/4 is from the fuselage to the inside of the scoop. Measuring from > the NACA which is recessed would be about another 1-3/4 for a total of > 3-1/2". Maybe I didn't explain that very well. OK, then. So you're NACA is the same size as mine. I think Greg Richter may have gone the direction you're proposing - add more scoops and it'll cool. I think he had a top speed problem (now solved with a turbine :). Do you have any kind of internal expansion area as described by Terry? I'd suggest that this would be the place to start... unless you're prepared to loose all the races we have later :) Regards, John