Return-Path: Sender: (Marvin Kaye) To: flyrotary Date: Mon, 16 Sep 2002 20:55:23 -0400 Message-ID: X-Original-Return-Path: Received: from pike.netdoor.com ([208.137.128.6] verified) by logan.com (CommuniGate Pro SMTP 4.0b7) with ESMTP id 1734858 for flyrotary@lancaironline.net; Mon, 16 Sep 2002 20:23:57 -0400 Received: from netdoor.com (port820.jxn.netdoor.com [208.148.209.220]) by pike.netdoor.com (8.12.1/8.12.1) with ESMTP id g8H0NuEH025963 for ; Mon, 16 Sep 2002 19:23:57 -0500 (CDT) X-Original-Message-ID: <3D867683.F5FB2B14@netdoor.com> X-Original-Date: Mon, 16 Sep 2002 19:25:39 -0500 From: Charlie and Tupper England X-Mailer: Mozilla 4.76 [en] (Win95; U) X-Accept-Language: en MIME-Version: 1.0 X-Original-To: flyrotary@lancaironline.net Subject: Re: [FlyRotary]Tach sensor References: Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit John Slade wrote: > > Are you 13B flyers using engine tach, or is there some way to get a tach to > read prop rpm? I've heard there's an electronic sensor which reads a passing > magnet, but I havent found one yet. > Regards, > John Slade The simple solution is a 'prop-tach' available from suppliers like Wag-Aero & A/C S&S for $50-100 or from hobby shops for around $30. They use an optical pickup, not a magnetic one. Charlie