Return-Path: Received: from corpprd-pxy2.canfor.ca ([198.162.160.3] verified) by logan.com (CommuniGate Pro SMTP 4.1) with ESMTP id 2490045 for flyrotary@lancaironline.net; Mon, 21 Jul 2003 15:34:23 -0400 Received: from exchange.canfor.ca (mail.canfor.ca [198.162.162.49]) by corpprd-pxy2.canfor.ca (Build 103 8.9.3p2/NT-8.9.3) with ESMTP id MAA05765 for ; Mon, 21 Jul 2003 12:32:50 -0700 Received: by mail.canfor.ca with Internet Mail Service (5.5.2653.19) id ; Mon, 21 Jul 2003 12:32:50 -0700 Message-ID: <1F17B59A61D4194095359264D24D22A2708BD7@mailman.canfor.ca> From: "Bartrim, Todd" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Tachs & things Date: Mon, 21 Jul 2003 12:32:39 -0700 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2653.19) Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01C34FBE.D8952760" This message is in MIME format. Since your mail reader does not understand this format, some or all of this message may not be legible. ------_=_NextPart_001_01C34FBE.D8952760 Content-Type: text/plain 5741 Tiny Tach Bosch 2R US$ 49.95 This looks like a good solution. I'll wait to see what happens with Rusty. In the meantime... This morning I got to thinking that all I really need to do is divide the 12pulse/rev high resolution signal from the EC2 by 3, then a tach set for an 8 cylinder, 4 stroke should read correctly. So after a little research, I ordered a NTE4526B programmable divide-by-"N" 4-bit binary counter. So long as I don't need to do any signal conditioning, I should be able to solder this to a small piece of breadboard, with jumpers on the appropriate pins and leads, and it should work great. Now if it sounds like I really know what I'm doing in electronics, I should point out that my grasp on all this is tenuous at best. I'm being prodded in the right direction by a journeyman instrument mechanic who is very knowledgeable and patient with this lowly apprentice. :-) > S. Todd Bartrim Turbo 13B RX-9endurance C-FSTB http://www3.telus.net/haywire/RV-9/C-FSTB.htm "Imagination is more important than knowledge" -Albert Einstein ------_=_NextPart_001_01C34FBE.D8952760 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable RE: [FlyRotary] Re: Tachs & things

    5741 Tiny Tach Bosch 2R

    US$ 49.95


    This looks like a good solution. I'll = wait to see what happens with Rusty.
           =20

             In the meantime...  This morning I got to thinking = that all I really need to do is divide the 12pulse/rev high resolution = signal from the EC2 by 3, then a tach set for an 8 cylinder, 4 stroke = should read correctly. So after a little research, I ordered a NTE4526B = programmable divide-by-"N" 4-bit binary counter. So long as I = don't need to do any signal conditioning, I should be able to solder = this to a small piece of breadboard, with jumpers on the appropriate = pins and leads, and it should work great.

            Now if it sounds like I really know what I'm doing in = electronics, I should point out that my grasp on all this is tenuous at = best. I'm being prodded in the right direction by a journeyman = instrument mechanic who is very knowledgeable and patient with this = lowly apprentice. :-)

    =A0

S. Todd Bartrim
Turbo 13B
RX-9endurance
C-FSTB
http://www3.telus.net/haywire/RV-9/C-FSTB.htm

        "Imagination is more important than = knowledge"

            =         =         =         =         -Albert Einstein

------_=_NextPart_001_01C34FBE.D8952760--