X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [64.129.170.194] (HELO VIRCOM1.fcdata.private) by logan.com (CommuniGate Pro SMTP 5.4c2o) with ESMTP id 4890592 for flyrotary@lancaironline.net; Fri, 04 Mar 2011 09:43:59 -0500 Received-SPF: none receiver=logan.com; client-ip=64.129.170.194; envelope-from=cbarber@texasattorney.net Received: from FCD-MAIL06.FCDATA.PRIVATE ([fe80::697f:d6aa:b87:78d8]) by FCD-MAIL05.FCDATA.PRIVATE ([fe80::809d:a06e:5913:452e%15]) with mapi id 14.01.0270.001; Fri, 4 Mar 2011 08:38:31 -0600 From: Chris Barber To: Rotary motors in aircraft Subject: Knock sensor and indicator Thread-Topic: Knock sensor and indicator Thread-Index: AcvaemExYob4C2EHRA6//QBBPOrQ6g== Date: Fri, 4 Mar 2011 14:43:24 +0000 Message-ID: <2D41F9BF3B5F9842B164AF93214F3D3035738C3D@FCD-MAIL06.FCDATA.PRIVATE> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [166.139.76.11] Content-Type: multipart/alternative; boundary="_000_2D41F9BF3B5F9842B164AF93214F3D3035738C3DFCDMAIL06FCDATA_" MIME-Version: 1.0 --_000_2D41F9BF3B5F9842B164AF93214F3D3035738C3DFCDMAIL06FCDATA_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Since I have had an issue with detonation, I am contemplating adding a knoc= k sensor. What do y'all know about this addition. I do not believe Tracy'= s EM has a provision for a reading, so, what might be a good route to take.= The brief research I have done shows different frequencies, types etc. = What would be correct for a rotary, both as to a sensor and something to no= tify me in the cabin? Thanks. I am about to replace ALL my apex seals and= soft parts and hopefully finally lick this issue....hopefully....did I men= tion hopefully...determinably...persistent? (heck, I wasn't planning anythi= ng else this weekend ) Chris --_000_2D41F9BF3B5F9842B164AF93214F3D3035738C3DFCDMAIL06FCDATA_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Since I have had an issue with detonation, I am contemplating adding a knock sensor. What do y'all know about this addition. = ; I do not believe Tracy's EM has a= provision for a reading, so, what might be a good route to take. The brief research I have done shows different frequencies<= a>, types etc. What would be correct for a rotary, both as = to a sensor and something to notify me in the cabin? Than= ks. I am about to replace ALL my apex seals and soft parts and hopefully finally lick this issue....hopefully....did I mention hopefu= lly...determinably...persistent ? (heck, I wasn't planning any= thing else this weekend <g>)

Chris

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