X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from test-iport-1.cisco.com ([171.71.176.117] verified) by logan.com (CommuniGate Pro SMTP 5.0.8) with ESMTP id 1025743 for flyrotary@lancaironline.net; Tue, 07 Mar 2006 12:24:25 -0500 Received-SPF: softfail receiver=logan.com; client-ip=171.71.176.117; envelope-from=echristley@nc.rr.com Received: from sj-core-5.cisco.com ([171.71.177.238]) by test-iport-1.cisco.com with ESMTP; 07 Mar 2006 09:23:39 -0800 Received: from xbh-rtp-211.amer.cisco.com (xbh-rtp-211.cisco.com [64.102.31.102]) by sj-core-5.cisco.com (8.12.10/8.12.6) with ESMTP id k27HNR85003413 for ; Tue, 7 Mar 2006 09:23:39 -0800 (PST) Received: from xfe-rtp-201.amer.cisco.com ([64.102.31.38]) by xbh-rtp-211.amer.cisco.com with Microsoft SMTPSVC(6.0.3790.211); Tue, 7 Mar 2006 12:23:27 -0500 Received: from [64.102.38.229] ([64.102.38.229]) by xfe-rtp-201.amer.cisco.com with Microsoft SMTPSVC(6.0.3790.211); Tue, 7 Mar 2006 12:23:27 -0500 Message-ID: <440DC18F.8000804@nc.rr.com> Date: Tue, 07 Mar 2006 12:23:27 -0500 From: Ernest Christley Reply-To: echristley@nc.rr.com User-Agent: Mozilla Thunderbird 1.0.7-1.4.1 (X11/20050929) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Rotary motors in aircraft Subject: Re: [FlyRotary] Re: Fly-By-Wire controller References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 07 Mar 2006 17:23:27.0315 (UTC) FILETIME=[D8A12230:01C6420B] Tracy Crook wrote: > > > > The FBW RX-8 throttle body controller design is done and the > inevitable 'feature creep' has begun. > > It occurred to me that since the throttle controller has access to > all the EC2 data that it could do a number of things. The two I > have adopted so far are manifold pressure hold and RPM hold. > They hold the respective parameter constant at the value it was at > when the function was engaged. Obviously the MP hold can only > work up to the ambient or turbo boost pressure available. They > are disengaged by either hitting the cancel button or sensing that > the pilot is frantically trying to regain control by moving the > power lever. > > Any other ideas for this widget before I freeze the design? > > Tracy Crook > > How about Prop sync ;-) > > Monty > > > My prop is always in sync! > > But seriously, build a plane that needs it and you'll get it! : ) > > Tracy > What is prop sync? Having two props with crossing arcs, turning in opposite directions and timed so they don't collide? -- ,|"|"|, Ernest Christley | ----===<{{(oQo)}}>===---- Dyke Delta Builder | o| d |o www.ernest.isa-geek.org |