X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Mon, 08 Oct 2007 12:07:02 -0400 Message-ID: X-Original-Return-Path: Received: from mta9.adelphia.net ([68.168.78.199] verified) by logan.com (CommuniGate Pro SMTP 5.1.12) with ESMTP id 2375502 for lml@lancaironline.net; Mon, 08 Oct 2007 11:37:34 -0400 Received-SPF: pass receiver=logan.com; client-ip=68.168.78.199; envelope-from=super_chipmunk@roadrunner.com Received: from [192.168.1.103] (really [74.75.176.139]) by mta9.adelphia.net (InterMail vM.6.01.05.02 201-2131-123-102-20050715) with ESMTP id <20071008153653.BHOV25784.mta9.adelphia.net@[192.168.1.103]> for ; Mon, 8 Oct 2007 11:36:53 -0400 X-Original-Message-ID: <470A4E86.3020709@roadrunner.com> X-Original-Date: Mon, 08 Oct 2007 11:36:38 -0400 From: Bill Wade User-Agent: Thunderbird 2.0.0.6 (Windows/20070728) MIME-Version: 1.0 X-Original-To: Lancair Mailing List Subject: Re: [LML] Re: Electrical Issue References: In-Reply-To: Content-Type: multipart/alternative; boundary="------------050307010101030601010704" This is a multi-part message in MIME format. --------------050307010101030601010704 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Thank you Sir- I'm also thinking along the lines that ground points in composite planes are concentrated rather than being dispersed as in metal planes. If the ground for the strobe happened to be connected to the same ground bus as the regulator ground, what then? Could the strobe discharge cause a temporary voltage rise at the ground bus and what might the effect be on the regulator? -Bill W Sky2high@aol.com wrote: > In a message dated 10/7/2007 9:42:16 P.M. Central Daylight Time, > super_chipmunk@roadrunner.com writes: > > Voltage sensing is in reference to ground- if the ground varies > (stray > voltage) it can also cause problems. In my case I think the shield > provided an alternate ground path that differed from the primary > ground > connection. > > Where are the strobes grounded? > > Super, > > That is a super analysis. Yes, loose connections and ground loops - > time for a visit to the "Which" Doctor......... > > Grayhawk > > > > ------------------------------------------------------------------------ > See what's new at AOL.com > and Make AOL Your > Homepage . --------------050307010101030601010704 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Thank you Sir-
I'm also thinking along the lines that ground points in composite planes are concentrated rather than being dispersed as in metal planes. If the ground for the strobe happened to be connected to the same ground bus as the regulator ground, what then? Could the strobe discharge cause a temporary voltage rise at the ground bus and what might the effect be on the regulator? -Bill W

Sky2high@aol.com wrote:

In a message dated 10/7/2007 9:42:16 P.M. Central Daylight Time, super_chipmunk@roadrunner.com writes:

Voltage sensing is in reference to ground- if the ground varies (stray
voltage) it can also cause problems. In my case I think the shield
provided an alternate ground path that differed from the primary ground
connection.

Where are the strobes grounded?

Super,

That is a super analysis. Yes, loose connections and ground loops - time for a visit to the "Which" Doctor.........

Grayhawk

See what's new at AOL.com and Make AOL Your Homepage.

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