X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sun, 01 Jun 2008 20:36:26 -0400 Message-ID: X-Original-Return-Path: Received: from smtp108.sbc.mail.mud.yahoo.com ([68.142.198.207] verified) by logan.com (CommuniGate Pro SMTP 5.2.3) with SMTP id 2948370 for lml@lancaironline.net; Sun, 01 Jun 2008 11:32:46 -0400 Received: (qmail 37008 invoked from network); 1 Jun 2008 15:32:45 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=sbcglobal.net; h=Received:X-YMail-OSG:X-Yahoo-Newman-Property:Message-ID:From:To:Subject:Date:MIME-Version:Content-Type:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE; b=u6/C+opSYW8IGpKtwJKqWVPAD1B3HReH/LB4g76ztIpM0l3gYHj6xqjq7BNpD393zSfQi206MriIcH258gZLMULkZX4jDZdmTvAi174tQ7oKxOG2VyR45WsjMroT6JVOfDkB38PaI/XNJlaYjy58Qow3iV75zLYPDevNLC0kL4E= ; Received: from unknown (HELO Computerroom) (elippse@sbcglobal.net@75.15.132.209 with login) by smtp108.sbc.mail.mud.yahoo.com with SMTP; 1 Jun 2008 15:32:44 -0000 X-YMail-OSG: EwJxRxIVM1ksNs.Pz3YnUv88qHDaeSfas2SNxU1UFB6bBC3tBLQoAhy3lJHjST8PpGY0L40T6ehGGxBX9rAVKr2CTBf3oOF0pPsOMfSeqKuB2OQAZn3SU0_QSN7lTX8Eg3A- X-Yahoo-Newman-Property: ymail-3 X-Original-Message-ID: <000801c8c3fc$c1da8e40$d1840f4b@Computerroom> From: "Paul Lipps" X-Original-To: "Marv Kaye" Subject: Sparking plugs X-Original-Date: Sun, 1 Jun 2008 08:32:48 -0700 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0005_01C8C3C2.13064970" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3138 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3198 This is a multi-part message in MIME format. ------=_NextPart_000_0005_01C8C3C2.13064970 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable I spoke with Klaus of LSE about this plug thingy, and he said he did = research on this with instrumented plugs 12-15 years ago. The results = were written-up in an article in Sport Aviation about that time. He says = that a plug in the proper heat range will have the insulator covered = with a light tan that varies in shade from slightly darker to slightly = lighter; if it is an even shade then it is running a little too hot. = Cracked insulators on a plug is a sign of detonation. He reminded me = that those planes racing at Reno with LSE ignition and recommended = automotive plugs have never had a cylinder go bad, but several planes = with aircraft plugs have. He also said that those fellows running = full-out at 250 mph TAS or more on the race to Oshkosh at 2000' will = have 2" MAP boost and will be running at or above 100% power the whole = way! He also claims that none of those racing who have LSE EI have had a = problem with detonation or pre-ignition. ------=_NextPart_000_0005_01C8C3C2.13064970 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable
I spoke with Klaus of LSE about this plug = thingy, and he=20 said he did research on this with instrumented plugs 12-15 years ago. = The=20 results were written-up in an article in Sport Aviation about that time. = He says=20 that a plug in the proper heat range will have the insulator covered = with a=20 light tan that varies in shade from slightly darker to slightly lighter; = if it=20 is an even shade then it is running a little too hot. Cracked insulators = on a=20 plug is a sign of detonation. He reminded me that those planes racing at = Reno=20 with LSE ignition and recommended automotive plugs have never had a = cylinder go=20 bad, but several planes with aircraft plugs have. He also said that = those=20 fellows running full-out at 250 mph TAS or more on the race to = Oshkosh at=20 2000' will have 2" MAP boost and will be running at or above 100% power = the=20 whole way! He also claims that none of those racing who have = LSE EI=20 have had a problem with detonation or = pre-ignition.
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