X-Virus-Scanned: clean according to Sophos on Logan.com X-PolluStop-Diagnostic: (direct reply)\eX-PolluStop-Score: 0.00\eX-PolluStop: Scanned with Niversoft PolluStop 2.1 RC1, http://www.niversoft.com/pollustop Return-Path: Received: from [65.54.169.52] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 4.3c4) with ESMTP id 865634 for flyrotary@lancaironline.net; Mon, 11 Apr 2005 21:24:40 -0400 Received-SPF: pass receiver=logan.com; client-ip=65.54.169.52; envelope-from=lors01@msn.com Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Mon, 11 Apr 2005 18:23:54 -0700 Message-ID: Received: from 65.54.154.42 by BAY3-DAV22.phx.gbl with DAV; Tue, 12 Apr 2005 01:23:54 +0000 X-Originating-IP: [65.54.154.42] X-Originating-Email: [lors01@msn.com] X-Sender: lors01@msn.com From: "Tracy Crook" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: SQ2000 flying again Date: Tue, 12 Apr 2005 21:22:52 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_005E_01C53FA5.C9A20740" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: MSN 9 X-MimeOLE: Produced By MSN MimeOLE V9.10.0011.1703 Seal-Send-Time: Tue, 12 Apr 2005 21:22:53 -0400 X-OriginalArrivalTime: 12 Apr 2005 01:23:54.0319 (UTC) FILETIME=[4A8B5DF0:01C53EFE] This is a multi-part message in MIME format. ------=_NextPart_000_005E_01C53FA5.C9A20740 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi Paul, the scat tube was 2.75" dia & about 4 ft long. Gave me a = major power loss (compared to ram air) partly due to pressure drop (1 - = 2" Hg) and partly due to temperature rise, about 25 - 30 F. I was very = surprised at both. If you have shorter run it may work better. The = larger diameter would reduce pressure drop but temp rise would be worse = (as a quick guess). Tracy Hi, Tracy....thanks for the heads up....any more info would be = appreciated....was it a long scat tube, and was it 3 inch diameter? I = assume you could not ingest enough air? Thanks for any more info you = can provide. Paul Conner ----- Original Message -----=20 From: Tracy Crook=20 To: Rotary motors in aircraft=20 Sent: Monday, April 11, 2005 8:34 PM Subject: [FlyRotary] Re: SQ2000 flying again You have exactly described the first intake scheme I tried on the = Renesis (NACA, Scat tube, etc). Hope it works better for you than it = did for me.=20 Tracy (following the various sagas from SnF) ------=_NextPart_000_005E_01C53FA5.C9A20740 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hi  Paul, the scat tube was 2.75" dia & about 4 ft = long. =20 Gave me a major power loss (compared to ram air) partly due to pressure = drop (1=20 - 2" Hg) and partly due to temperature rise, about 25 - 30 F.  I = was very=20 surprised at both.  If you have shorter run it may work = better.  The=20 larger diameter would reduce pressure drop but temp rise would be worse = (as a=20 quick guess).
 
Tracy

Hi, Tracy....thanks for the heads up....any = more info=20 would be appreciated....was it a long scat tube, and was it 3 inch=20 diameter?  I assume you could not ingest enough air?  Thanks = for any=20 more info you can provide.  Paul Conner
----- Original Message -----
From:=20 Tracy Crook=20
To: Rotary motors in = aircraft=20
Sent: Monday, April 11, 2005 = 8:34=20 PM
Subject: [FlyRotary] Re: = SQ2000 flying=20 again

You have exactly described the first intake scheme I tried on = the=20 Renesis (NACA, Scat tube, etc).  Hope it works better for you = than it=20 did for me. 
 
Tracy (following the various sagas from SnF)
 
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