X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from EXHUB003-3.exch003intermedia.net ([207.5.74.110] verified) by logan.com (CommuniGate Pro SMTP 5.4c2) with ESMTPS id 4931898 for flyrotary@lancaironline.net; Mon, 04 Apr 2011 08:11:17 -0400 Received-SPF: none receiver=logan.com; client-ip=207.5.74.110; envelope-from=jwhaley@datacast.com Received: from EXVMBX003-5.exch003intermedia.net ([207.5.74.45]) by EXHUB003-3.exch003intermedia.net ([207.5.74.110]) with mapi; Mon, 4 Apr 2011 05:10:40 -0700 From: Jeff Whaley To: 'Rotary motors in aircraft' Date: Mon, 4 Apr 2011 05:11:15 -0700 Subject: Tear-Down avoided no longer Thread-Topic: Tear-Down avoided no longer Thread-Index: AcvywWXAjenMIU5nSwGtskvOeLvPoQ== Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: multipart/alternative; boundary="_000_C03ABB0A7362B84BB53D544B3C305E0E0179F85A3557EXVMBX0035e_" MIME-Version: 1.0 --_000_C03ABB0A7362B84BB53D544B3C305E0E0179F85A3557EXVMBX0035e_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable You all may recall I avoided a tear-down recently by extracting/replacing a= broken tension bolt. I have put 3-4 hours on the engine since then, a bun= ch of short local flights but have seen a myriad of weird symptoms ... cool= ant system pressure spikes, coolant top-ups and recently weak spots in the = compression sequence. I found one soft apex seal spring, it had some movem= ent but not as firm as all the rest. Went to try freeing it up on Saturday= ... when I loosened the exhaust stack a couple tablespoons of coolant le= aked out the rear rotor exhaust port. So, it has to come apart; I'll let y= ou know what we find. Jeff __________ Information from ESET NOD32 Antivirus, version of virus signatur= e database 6013 (20110404) __________ The message was checked by ESET NOD32 Antivirus. http://www.eset.com This message, and the documents attached hereto, is intended only for the a= ddressee and may contain privileged or confidential information. Any unauth= orized disclosure is strictly prohibited. If you have received this message= in error, please notify us immediately so that we may correct our internal= records. Please then delete the original message. Thank you. --_000_C03ABB0A7362B84BB53D544B3C305E0E0179F85A3557EXVMBX0035e_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

You all may recall I avoided a tear-down recently by= extracting/replacing a broken tension bolt.  I have put 3-4 hours on = the engine since then, a bunch of short local flights but have seen a myria= d of weird symptoms … coolant system pressure spikes, coolant top-ups and recently weak spots in the compression sequenc= e.  I found one soft apex seal spring, it had some movement but not as= firm as all the rest.  Went to try freeing it up on Saturday  &#= 8230;  when I loosened the exhaust stack a couple tablespoons of coolant leaked out the rear rotor exhaust port.  So, it has to com= e apart; I’ll let you know what we find.

Jeff =

 



__________ Information from ESET NOD32 Antivirus, version of virus signatur= e database 6013 (20110404) __________

The message was checked by ESET NOD32 Antivirus.

http://www.eset.com

This message, and the docum= ents attached hereto, is intended only for the addressee and may contain pr= ivileged or confidential information. Any unauthorized disclosure is strict= ly prohibited. If you have received this message in error, please notify us immediately so that we may correct our = internal records. Please then delete the original message. Thank you.
 --_000_C03ABB0A7362B84BB53D544B3C305E0E0179F85A3557EXVMBX0035e_--