X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from exhub003-1.exch003intermedia.net ([207.5.74.28] verified) by logan.com (CommuniGate Pro SMTP 5.4c2) with ESMTPS id 4920865 for flyrotary@lancaironline.net; Thu, 24 Mar 2011 15:30:55 -0400 Received-SPF: none receiver=logan.com; client-ip=207.5.74.28; envelope-from=jwhaley@datacast.com Received: from EXVMBX003-5.exch003intermedia.net ([207.5.74.45]) by exhub003-1.exch003intermedia.net ([207.5.74.28]) with mapi; Thu, 24 Mar 2011 12:30:17 -0700 From: Jeff Whaley To: 'Rotary motors in aircraft' Date: Thu, 24 Mar 2011 12:30:16 -0700 Subject: Compression woes ... Thread-Topic: Compression woes ... Thread-Index: AcvqWN6kgYM3i4I+QLSeiFFUTrImKg== 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_C03ABB0A7362B84BB53D544B3C305E0E0179F84ABF31EXVMBX0035e_" MIME-Version: 1.0 --_000_C03ABB0A7362B84BB53D544B3C305E0E0179F84ABF31EXVMBX0035e_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable I have noticed a couple weak spots in my compression sequence during propel= ler pull through. The weak spots are better when the engine is hot Vs cold and my ear tells m= e the weak spots are accompanied by a hiss in the intake ... good ones have= a pop in the exhaust. Does this mean that side seals or corner seals are = questionable? Jeff Whaley __________ Information from ESET NOD32 Antivirus, version of virus signatur= e database 5983 (20110324) __________ 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_C03ABB0A7362B84BB53D544B3C305E0E0179F84ABF31EXVMBX0035e_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

I have noticed a couple weak spots in my compression= sequence during propeller pull through.

The weak spots are better when the engine is hot Vs = cold and my ear tells me the weak spots are accompanied by a hiss in the in= take … good ones have a pop in the exhaust. Does this mean that= side seals or corner seals are questionable?

Jeff Whaley

__________ Information from ESET NOD32 Antivirus, version of virus signatur= e database 5983 (20110324) __________

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.
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