Return-Path: Sender: (Marvin Kaye) To: lml@lancaironline.net Date: Sun, 09 Nov 2003 14:06:46 -0500 Message-ID: X-Original-Return-Path: Received: from [24.25.9.101] (HELO ms-smtp-02-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 4.1.6) with ESMTP id 2716383 for lml@lancaironline.net; Sun, 09 Nov 2003 13:59:50 -0500 Received: from HappyDesktop (cpe-024-163-075-138.nc.rr.com [24.163.75.138]) by ms-smtp-02-eri0.southeast.rr.com (8.12.10/8.12.7) with SMTP id hA9IxlLR025395 for ; Sun, 9 Nov 2003 13:59:47 -0500 (EST) From: "Matt Hapgood" X-Original-To: "Lancair Mailing List" Subject: RE: [LML] Re: good news (speed) / bad news (resonance) X-Original-Date: Sun, 9 Nov 2003 13:59:52 -0500 X-Original-Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" 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) Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2727.1300 X-Virus-Scanned: Symantec AntiVirus Scan Engine Thanks for all the comments and suggestions so far. After another flight this weekend, I have some additional data on my resonance issue. During a very careful preflight, I noticed the elevator trim tab is a bit sloppy. The flaps are also a bit sloppy. The ailerons aren't, the rudder isn't and the elevator isn't. In flight, I tried the following: 1. manipulating the elevator trim (overpowering it with the stick and elevator); it made no difference. 2. climbing and descending; no difference, except when associated with airspeed. 3. rolling right and left; no difference. 4. hard rudder inputs; left rudder seems to reduce the noise, right rudder no difference. 5. flaps; hard to tell, I DEFINITELY get a resonance when lowering the flaps 1" at 140 KIAS. But it is a difference tone (deeper). 6. gear; no difference, but by that time I am only doing 120 KIAS Any more thoughts? Matt