Return-Path: Received: from fed1mtao01.cox.net ([68.6.19.244] verified) by logan.com (CommuniGate Pro SMTP 4.1.1) with ESMTP id 2534869 for flyrotary@lancaironline.net; Wed, 20 Aug 2003 10:40:52 -0400 Received: from Leonards ([68.111.228.182]) by fed1mtao01.cox.net (InterMail vM.5.01.04.05 201-253-122-122-105-20011231) with ESMTP id <20030820144027.LGAC15823.fed1mtao01.cox.net@Leonards> for ; Wed, 20 Aug 2003 10:40:27 -0400 From: "David Leonard" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Todd's Tach Divider Date: Wed, 20 Aug 2003 07:40:34 -0700 Message-ID: <001101c36729$03b94760$f0000844@Leonards> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0012_01C366EE.575A6F60" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.3416 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 This is a multi-part message in MIME format. ------=_NextPart_000_0012_01C366EE.575A6F60 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Todd, I would love to have a tach divider. I'm closing in on the first start and am not confident in my current set-up (Connecting the CAS in parallel). Would like to minimize delay if that doesn't work. If it does work I will let everyone know and pass along the tach divider to someone else. Thanks - 850 Beech St. #612 San Diego, CA 92101 David Leonard The Rotary Roster: http://members.aol.com/_ht_a/rotaryroster/index.html -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]On Behalf Of Haywire Sent: Tuesday, August 19, 2003 11:04 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: some progress, and more understanding Attached are a couple of pics of my tach divider. It can be set to divide by any number necessary. I can't guarantee it would work with any tach but it works very well with my cheap off-the-shelf-at-any-autoparts-store, Hastings tach. I have a few more if anybody wants one. S. Todd Bartrim Turbo 13B RV-9Endurance C-FSTB http://www3.telus.net/haywire/RV-9/C-FSTB.htm "Whatever you vividly imagine, Ardently desire, Sincerely believe in, Enthusiastically act upon, Must inevitably come to pass". The EC-2 tach output has 12 pulses per revolution, and won't directly work with any normal tach. Todd has made a divider to bring the pulse rate down to normal, and it sounds like it's working well. The TT that you have expects 1 pulse per rev, so if you don't mind dividing the rpm reading by 12... :-) ------=_NextPart_000_0012_01C366EE.575A6F60 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

Todd,

 

I would love to have a tach = divider.  I’m closing in on the first start and am not confident in my = current set-up (Connecting the CAS in parallel).  Would like to minimize = delay if that doesn’t work.  If it does work I will let everyone know and = pass along the tach divider to someone else.  Thanks – =

 

850 Beech St. = #612

San Diego, CA<= font size=3D2 color=3Dnavy face=3DArial> 92101

 

David Leonard

The Rotary = Roster:

http://memb= ers.aol.com/_ht_a/rotaryroster/index.html

-----Original = Message-----
From: Rotary motors in = aircraft [mailto:flyrotary@lancaironline.net]On Behalf Of Haywire
Sent: Tuesday, August 19, 2003 11:04 = PM
To: Rotary motors in = aircraft
Subject: [FlyRotary] Re: = some progress, and more understanding

Attached are a couple of pics of my = tach divider. It can be set to divide by any number necessary. I can't = guarantee it would work with any tach but it works very well with my cheap off-the-shelf-at-any-autoparts-store, Hastings tach. I have a few more if anybody wants = one.

 

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

   "Whatever you vividly imagine, Ardently desire, = Sincerely believe in, Enthusiastically act upon, Must inevitably come to = pass".

 

The EC-2 tach output has 12 pulses = per revolution, and won't directly work with any normal tach.  Todd has = made a divider to bring the pulse rate down to normal, and it sounds like it's = working well.  The TT that you have expects 1 pulse per rev, so if you = don't mind dividing the rpm reading by 12...  :-)


 

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