X-Virus-Scanned: clean according to Sophos on Logan.com X-PolluStop-Diagnostic: (direct reply)\eX-PolluStop-Score: 0.00\eX-PolluStop: Scanned with Niversoft PolluStop 2.1 RC1, http://www.niversoft.com/pollustop Return-Path: Received: from [65.54.168.120] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 4.3c4) with ESMTP id 861210 for flyrotary@lancaironline.net; Thu, 07 Apr 2005 21:52:04 -0400 Received-SPF: pass receiver=logan.com; client-ip=65.54.168.120; envelope-from=lors01@msn.com Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Thu, 7 Apr 2005 18:51:18 -0700 Message-ID: Received: from 4.174.0.43 by BAY3-DAV16.phx.gbl with DAV; Fri, 08 Apr 2005 01:51:18 +0000 X-Originating-IP: [4.174.0.43] X-Originating-Email: [lors01@msn.com] X-Sender: lors01@msn.com From: "Tracy Crook" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Timing Date: Thu, 7 Apr 2005 21:51:16 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0019_01C53BBB.ECBDC4F0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: MSN 9 X-MimeOLE: Produced By MSN MimeOLE V9.10.0011.1703 Seal-Send-Time: Thu, 7 Apr 2005 21:51:16 -0400 X-OriginalArrivalTime: 08 Apr 2005 01:51:18.0783 (UTC) FILETIME=[7511A8F0:01C53BDD] This is a multi-part message in MIME format. ------=_NextPart_000_0019_01C53BBB.ECBDC4F0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Would work, but would you really want to embed 32 little magnets in a = wheel? Steel wheel is a lot more practical. Mazda's wheel is only .080 = thick and weight is not worth talking about. Tracy At 11:15 AM 4/7/2005, you wrote: Could a little piece of a magnetic rod embedded in either = steel or Al disc (flywheel, pulley, etc.) do the trick? I always = thought magnetic pickups actually involved a magnet, or at least a = dominant spike of metal passing the pickup. Yes, this is possible. I have operated a pip sensor with a = steel set screw in an aluminum disk before. However, a steel "ring gear" = would be a better bet. You know it will work if you made it look like = the stock timing disk. It would be less likely to vibrate out of = position unnoticed.=20 >> Homepage: http://www.flyrotary.com/ >> Archive: http://lancaironline.net/lists/flyrotary/List.html ------=_NextPart_000_0019_01C53BBB.ECBDC4F0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Would work, but would you really want to embed 32 little magnets in = a=20 wheel? Steel wheel is a lot more practical. Mazda's wheel is = only=20 080 thick and weight is not worth talking about.

Tracy

At 11:15 AM 4/7/2005, you wrote:

Could=20 a little piece of a magnetic rod embedded in either steel or Al disc = (flywheel, pulley, etc.) do the trick? I always thought = magnetic=20 pickups actually involved a magnet, or at least a dominant spike of = metal=20 passing the=20 = pickup.

= ; Yes,=20 this is possible. I have operated a pip sensor with a steel set screw = in an=20 aluminum disk before. However, a steel "ring gear" would be a better = bet. You=20 know it will work if you made it look like the stock timing disk. It = would be=20 less likely to vibrate out of position unnoticed.

>> Homepage: http://www.flyrotary.com/ >> Archive: http://lancaironline.net/lists/flyrotary/List.html

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