Return-Path: Received: from [129.116.87.171] (HELO MAIL01.austin.utexas.edu) by logan.com (CommuniGate Pro SMTP 4.2.8) with ESMTP id 621344 for flyrotary@lancaironline.net; Tue, 25 Jan 2005 12:35:59 -0500 Received-SPF: none receiver=logan.com; client-ip=129.116.87.171; envelope-from=mark.steitle@austin.utexas.edu X-MimeOLE: Produced By Microsoft Exchange V6.5.7226.0 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Subject: RE: [FlyRotary] Re: FW: Re: Plugs and Mags Date: Tue, 25 Jan 2005 11:35:29 -0600 Message-ID: <87DBA06C9A5CB84B80439BA09D86E69EC07E84@MAIL01.austin.utexas.edu> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [FlyRotary] Re: FW: Re: Plugs and Mags Thread-Index: AcUDA1QpbFEwfcksRW6bGcdzVbm0mgAADGJA From: "Mark R Steitle" To: "Rotary motors in aircraft" Ed, Do you know what type of plugs Tracy uses, el-cheapo or platinum? You said that he runs mo-gas so I assume he doesn't have the lead-fouling problem you and others have. So, I assume Tracy's plugs are actually worn out after 100 hours? If that's the case, it seems that the platinum, or iridium plugs might give longer life. =20 Mark S. -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of WRJJRS@aol.com Sent: Tuesday, January 25, 2005 11:28 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: FW: Re: Plugs and Mags Not certain that reciprocating engines have the same problems as their plugs are not as shrouded as ours so combustion process probably help keeps blowing off deposits on the ceramic center cone. FWIW Ed A