X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fmailhost03.isp.att.net ([207.115.11.53] verified) by logan.com (CommuniGate Pro SMTP 5.4c2o) with ESMTP id 4891533 for flyrotary@lancaironline.net; Fri, 04 Mar 2011 18:54:57 -0500 Received-SPF: none receiver=logan.com; client-ip=207.115.11.53; envelope-from=bbradburry@bellsouth.net Received: from desktop (adsl-85-145-79.mco.bellsouth.net[98.85.145.79]) by isp.att.net (frfwmhc03) with SMTP id <20110304235419H0300orvk1e>; Fri, 4 Mar 2011 23:54:20 +0000 X-Originating-IP: [98.85.145.79] From: "Bill Bradburry" To: "'Rotary motors in aircraft'" References: In-Reply-To: Subject: RE: [FlyRotary] Knock sensor and indicator Date: Fri, 4 Mar 2011 18:54:20 -0500 Message-ID: <210EDD6B46284FE29BA7E3BE386CE4F2@Desktop> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0000_01CBDA9D.92520300" X-Mailer: Microsoft Office Outlook 11 Thread-Index: Acvaepm3aGm5kHHSRIy4AMzIoEx9NQATMdkg X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6001.18049 This is a multi-part message in MIME format. ------=_NextPart_000_0000_01CBDA9D.92520300 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Here is another series of articles on knock. http://autospeed.com/A_110829/cms/article.html Bill B _____ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Chris Barber Sent: Friday, March 04, 2011 9:43 AM To: Rotary motors in aircraft Subject: [FlyRotary] Knock sensor and indicator 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, types etc. What would be correct for a rotary, both as to a sensor and something to notify 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 mention hopefully...determinably...persistent? (heck, I wasn't planning anything else this weekend ) Chris ------=_NextPart_000_0000_01CBDA9D.92520300 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Here is another series of articles = on knock…

http://autospeed.= com/A_110829/cms/article.html

Bill B

From: = Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Chris = Barber
Sent: Friday, March 04, = 2011 9:43 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] = Knock sensor and indicator

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, types etc. What would be correct for a rotary, both as to a sensor = and something to notify 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 mention = hopefully...determinably...persistent? (heck, I wasn't planning anything else this weekend = <g>)

Chris

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