Return-Path: Sender: (Marvin Kaye) To: flyrotary Date: Thu, 09 Oct 2003 21:20:12 -0400 Message-ID: X-Original-Return-Path: Received: from ms-smtp-03.southeast.rr.com ([24.93.67.84] verified) by logan.com (CommuniGate Pro SMTP 4.1.5) with ESMTP id 2630764 for flyrotary@lancaironline.net; Thu, 09 Oct 2003 19:16:47 -0400 Received: from o7y6b5 (clt78-020.carolina.rr.com [24.93.78.20]) by ms-smtp-03.southeast.rr.com (8.12.10/8.12.2) with SMTP id h99NEPW0001901 for ; Thu, 9 Oct 2003 19:14:26 -0400 (EDT) X-Original-Message-ID: <002001c38eba$f859c5c0$1702a8c0@WorkGroup> From: "Ed Anderson" X-Original-To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: EWP - Success at last? X-Original-Date: Thu, 9 Oct 2003 19:13:37 -0400 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 6.00.2800.1106 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 > > > Ed Anderson wrote: > > > I must admit that I am highly surprised to find that it might only take 7.5 > > amps. Heck my high pressure fuel pump (one) takes almost that much current. > > If it were 15-30 amps I would be less surprised, but 7.5 does surprise me. > > However, that is fairly easy to measure, so I have to assume the current > > figures must be correct. > > Part of the answer lies in the fact that once the motor is spun up, it isn't drawing anyway near it's maximum current. Inrush current at startup may very well be in the 15-30 amp range. > > Dale R. > > Aha!, Thanks, Dale that helps! Ed Anderson