Return-Path: Received: from mail.viclink.com ([66.129.220.6] verified) by logan.com (CommuniGate Pro SMTP 4.2b8) with ESMTP id 343473 for flyrotary@lancaironline.net; Mon, 02 Aug 2004 18:03:31 -0400 Received-SPF: error receiver=logan.com; client-ip=66.129.220.6; envelope-from=pjmick@mail.viclink.com Received: from mail.viclink.com (localhost [127.0.0.1]) by mail.viclink.com (8.11.7/8.11.7) with ESMTP id i72M2xQ71372 for ; Mon, 2 Aug 2004 15:02:59 -0700 (PDT) From: "Perry Mick" To: "Rotary motors in aircraft" Subject: Re: [FlyRotary] Re: Oil injection Date: Mon, 2 Aug 2004 14:02:59 -0800 Message-Id: <20040802215519.M66519@mail.viclink.com> In-Reply-To: References: X-Mailer: Open WebMail 1.90 20030226 X-OriginatingIP: 205.175.225.22 (pjmick) MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 X-RAVMilter-Version: 8.4.3(snapshot 20030217) (mail.viclink.com) On Mon, 02 Aug 2004 21:44:31 +0000, keltro wrote > > > > Sorry about that. The springs on the throttle body force the throttle > > > > closed, so I had to reverse those. If my throttle cable breaks, throttle > > > > goes wide open. > > > > > > > > The spring on the oil metering pump itself forces the pump "full on" if > > the > > > > linkage is removed between the throttle and the oil metering pump. > > > > > > > ____________________________________________________________ > > > > > > Perry, > > > Sorry to be a pest but I am still not clear on this! Did you > > > reverse stock spring on the metering pump or add an additional or > > > over-riding spring to it?? > > > > > > Thanks > > > Kelly > > > > No, I didn't do anything to the spring on the oil metering pump. There is no > > need to reverse it, because it already springs to "full on". > _______________________________________________________________ > > Perry, > I asked the question as a safety issue as the metering pumps I am > most familar with are the early 12A-13B versions that are spring > loaded closed if my memory does not fail me. I just presumed you > were useing an early pump. Perhaps I need to refresh my memory and > take another look at one of my pumps. > > Kelly That's the way I thought it worked, but maybe my memory is faulty, it's been over a year since I did that mod. I think it will still flow some oil even in the "full off" throttle position on the metering pump. Since I also add two-stroke to the oil, it isn't really an issue for me, but if someone is depending on the oil injection system only, they should definitely verify it works. My stuff is mostly vintage 1986. Perry