Return-Path: Received: from mtiwmhc11.worldnet.att.net ([204.127.131.115] verified) by logan.com (CommuniGate Pro SMTP 4.2.5) with ESMTP id 500678 for flyrotary@lancaironline.net; Fri, 05 Nov 2004 19:21:06 -0500 Received-SPF: none receiver=logan.com; client-ip=204.127.131.115; envelope-from=keltro@att.net Received: from 204.127.135.63 ([204.127.135.63]) by worldnet.att.net (mtiwmhc11) with SMTP id <2004110600203011100il648e>; Sat, 6 Nov 2004 00:20:35 +0000 Received: from [209.247.222.82] by 204.127.135.63; Sat, 06 Nov 2004 00:20:29 +0000 From: keltro@att.net (Kelly Troyer) To: "Rotary motors in aircraft" Subject: Re: [FlyRotary] Re: Voltage and noise Date: Sat, 06 Nov 2004 00:20:29 +0000 Message-Id: <110620040020.16009.418C18CD0009F2D700003E892160376223019D9B040A05@att.net> X-Mailer: AT&T Message Center Version 1 (Oct 18 2004) X-Authenticated-Sender: a2VsdHJvQGF0dC5uZXQ= MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="NextPart_Webmail_9m3u9jl4l_16009_1099700429_0" --NextPart_Webmail_9m3u9jl4l_16009_1099700429_0 Content-Type: text/plain Content-Transfer-Encoding: 8bit Al, What are you using for a voltage regulator? -- Kelly Troyer Dyke Delta/13B/RD1C/EC2 -------------- Original message from "Chuck" : -------------- That voltage is OK, but I would not want to see it much above 15V for a long period of time, as it may start gassing, that would shorten life especially if it is a sealed battery. OTOH anything above 14.2 volts does nothing to increase the state of charge. Chuck Dunlap RV6 13B -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Al Gietzen Sent: Thursday, November 04, 2004 12:24 PM To: Rotary motors in aircraft Subject: [FlyRotary] Voltage and noise I find that my alternator is maintaining voltage at 14.6-14.8. This seems a bit high, but is it a problem? The only thing I can think of is that it may reduce battery life. For you other guys with composite airplanes, especially those with the engine in the back (where it is supposed to beJ), and battery in front; are you finding any noise problems in avionics that may be resulting from the EC2 injector/ignition leads? Anticipating the need for some filtering. Al --NextPart_Webmail_9m3u9jl4l_16009_1099700429_0 Content-Type: text/html Content-Transfer-Encoding: 8bit

Al,

What are you using for a voltage regulator?

--
Kelly Troyer
Dyke Delta/13B/RD1C/EC2

-------------- Original message from "Chuck" <crayd@cableone.net>: --------------

That voltage is OK, but I would not want to see it much above 15V for a long period of time, as it may start gassing, that would shorten life especially if it is a sealed battery. OTOH anything above 14.2 volts does nothing to increase the state of charge.

Chuck Dunlap

RV6 13B

-----Original Message-----
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Al Gietzen
Sent: Thursday, November 04, 2004 12:24 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Voltage and noise

I find that my alternator is maintaining voltage at 14.6-14.8. This seems a bit high, but is it a problem? The only thing I can think of is that it may reduce battery life.

For you other guys with composite airplanes, especially those with the engine in the back (where it is supposed to beJ), and battery in front; are you finding any noise problems in avionics that may be resulting from the EC2 injector/ignition leads? Anticipating the need for some filtering.

Al

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