Return-Path: Received: from imf19aec.mail.bellsouth.net ([205.152.59.67] verified) by logan.com (CommuniGate Pro SMTP 4.1.1) with ESMTP id 2534594 for flyrotary@lancaironline.net; Wed, 20 Aug 2003 07:32:22 -0400 Received: from TOSHIBAjhr ([209.214.14.56]) by imf19aec.mail.bellsouth.net (InterMail vM.5.01.05.27 201-253-122-126-127-20021220) with SMTP id <20030820113220.BBYX1897.imf19aec.mail.bellsouth.net@TOSHIBAjhr> for ; Wed, 20 Aug 2003 07:32:20 -0400 From: "John Slade" To: "Rotary motors in aircraft" Subject: RE: [FlyRotary] Re: some progress, and more understanding Date: Wed, 20 Aug 2003 07:32:20 -0400 Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0072_01C366ED.3078A0C0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0) Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_0072_01C366ED.3078A0C0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit MessageYes, Please, Todd. I have the Tiny Tach, but it is true to it's name. I'd rather install a 3 inch circular one. Rusty said I'd need to divide by 12 to use the EC2 output. Right? How much? Regards, John Slade -----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_0072_01C366ED.3078A0C0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message
Yes,=20 Please, Todd. I have the Tiny Tach, but it is true to it's name. I'd = rather=20 install a 3 inch circular one.
Rusty=20 said I'd need to divide by 12 to use the EC2 output. = Right?
How=20 much?
Regards,
John=20 Slade
 
-----Original Message-----
From: Rotary motors in = aircraft=20 [mailto:flyrotary@lancaironline.net]On Behalf Of=20 Haywire
Sent: Tuesday, August 19, 2003 11:04 = PM
To:=20 Rotary motors in aircraft
Subject: [FlyRotary] Re: some = progress,=20 and more understanding

Attached are a couple of pics of my tach = divider. It=20 can be set to divide by any number necessary. I can't guarantee it = would work=20 with any tach but it works very well with my cheap=20 off-the-shelf-at-any-autoparts-store, Hastings tach. I have a few more = if=20 anybody wants one.
 

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

=   =20 "Whatever you vividly imagine, Ardently desire, Sincerely believe in,=20 Enthusiastically act upon, Must inevitably come to pass".

 
The = EC-2 tach output=20 has 12 pulses per revolution, and won't directly work with any = normal=20 tach.  Todd has made a divider to bring the pulse rate down to = normal,=20 and it sounds like it's working well.  The TT that you have = expects 1=20 pulse per rev, so if you don't mind dividing the rpm reading by = 12... =20 :-)

 
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