Return-Path: Sender: (Marvin Kaye) To: flyrotary Date: Tue, 11 Feb 2003 22:06:10 -0500 Message-ID: X-Original-Return-Path: Received: from dc-mx11.cluster1.charter.net ([209.225.8.21] verified) by logan.com (CommuniGate Pro SMTP 4.0.6) with ESMTP id 2021359 for flyrotary@lancaironline.net; Tue, 11 Feb 2003 21:31:57 -0500 Received: from [68.113.205.207] (HELO dell) by dc-mx11.cluster1.charter.net (CommuniGate Pro SMTP 3.5.9) with SMTP id 40116337 for flyrotary@lancaironline.net; Tue, 11 Feb 2003 21:31:46 -0500 X-Original-Message-ID: <003e01c2d23e$da11cc40$cfcd7144@dell> From: "Bill Eslick" X-Original-To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Alternator problem X-Original-Date: Tue, 11 Feb 2003 20:31:30 -0600 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 I used the original alternator and hooked it up like the auto schematic, but I found that when I turned off the excitation lead, (connected to an over-voltage shutdown), the alternator kept alternating!! The answer turned up in a back issue of "Contact" magazine. I will look up the issue/page if you like. It shows where to break one of the internal connections so that the field power is controllable externally. Bill Eslick ----- Original Message ----- From: "Tommy James" To: "Rotary motors in aircraft" Sent: Sunday, February 09, 2003 2:47 AM Subject: [FlyRotary] Alternator problem > Hi Guys, > My 70amp original equip, (Mitsubishi) alternator does not seem to be doing > its little job. My local overhaul man says all its internal goodies are > just fine and it is generating all it is supposed to do. Hummm, maybe its > my wiring? Here's they current setup. (pun intended) > > 1. I have the "s" wire ("R" on other alternators), the field wire, powered > off the essential bus switched by the master switch. > 2. The "L" wire runs a dashboard light to the essential bus too. > 3. "B" wire runs to an alternator contactor, to a large fuse, to the > battery. This contactor is grounded through a dash switch. > > In an ancient newsletter, Tracy showed a 'check relay' wired into the 'L' > circuit which I do not have. My local man said my wiring should be okay, > but we have no juice... what gives? > > Any suggestions, > TIA > Tommy James<>< > > > >> Homepage: http://www.flyrotary.com/