X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 13 Sep 2005 21:35:52 -0400 Message-ID: X-Original-Return-Path: Received: from relay02.mail-hub.dodo.com.au ([202.136.32.45] verified) by logan.com (CommuniGate Pro SMTP 5.0c2) with ESMTP id 721171 for lml@lancaironline.net; Tue, 13 Sep 2005 21:25:20 -0400 Received-SPF: none receiver=logan.com; client-ip=202.136.32.45; envelope-from=goconnell@dodo.com.au Received: from [10.2.3.73] (helo=DodoInternetWebmailServer) by relay02.mail-hub.dodo.com.au with smtp (Exim 4.34) id 1EFM0l-0007kz-Bo for lml@lancaironline.net; Wed, 14 Sep 2005 11:24:31 +1000 Received: from client 203.220.142.182 for UebiMiau2.7 (webmail client); Wed, 14 Sep 2005 11:24:31 +1000 X-Original-Date: Wed, 14 Sep 2005 11:24:31 +1000 From: "Gerard O Connell" X-Original-To: "Lancair Mailing List" Reply-to: "Gerard O Connell" Subject: airframe vibration X-Priority: 3 X-Mailer: Dodo Internet Webmail Server X-Original-IP: 203.220.142.182 Content-Transfer-Encoding: 8bit X-MSMail-Priority: Medium Importance: Medium Content-Type: text/html; charset="iso-8859-1"; MIME-Version: 1.0 X-Original-Message-ID: Guy's, I have noticed that particarly on descent or high speed climb out I get markedly increased noise accomapined by slight vibration. Is this to do with power setting (appears to correlate somewhat with higher rpm settings). Has anyon e experienced this phenomenon and would it be related to a natural harmonic for the aircraft?

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Gerard O Connell
Melbourne, Australia
VH-LPD (LNC2)


 


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