Return-Path: Received: from [65.54.169.154] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 4.1b8) with ESMTP id 2432868 for flyrotary@lancaironline.net; Tue, 17 Jun 2003 14:05:49 -0400 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Tue, 17 Jun 2003 11:05:48 -0700 Received: from 67.243.12.29 by bay3-dav124.bay3.hotmail.com with DAV; Tue, 17 Jun 2003 18:05:48 +0000 X-Originating-IP: [67.243.12.29] X-Originating-Email: [lors01@msn.com] Reply-To: "Tracy Crook" From: "Tracy Crook" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Starter Problem Date: Tue, 17 Jun 2003 14:06:52 -0400 Organization: Real World Solutions Inc. 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 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 Message-ID: X-OriginalArrivalTime: 17 Jun 2003 18:05:48.0365 (UTC) FILETIME=[149B17D0:01C334FB] ----- Original Message ----- From: "Tommy James" To: "Rotary motors in aircraft" Sent: Monday, June 16, 2003 7:39 PM Subject: [FlyRotary] Re: Starter Problem > Tracy, > Following Bob Nuckoll's advice on aircraft wiring is the main reason I have > a separate starter contactor, as Bob Rogers points out. > > "You might want to look at this article on the subject by Bob Nuckolls of > the > Aeroelectric Connection. http://www.aeroelectric.com/articles/strtctr.pdf > According to him, the initial current rush of the starter is really hard on > it" > > TJ The term "contactor" usually refers to the relay that carries the main current supply to the starter. This is already built in to the starter (solonoid). True, the contactor or solenoid takes a good bit of current to actuate but a separate relay to handle this seems like unnecessary complication when a *PROPER* switch will do the job. Just haven't heard a compelling reason why this relay is necessary. Tracy