X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail-gh0-f179.google.com ([209.85.160.179] verified) by logan.com (CommuniGate Pro SMTP 6.0.6) with ESMTPS id 6443101 for flyrotary@lancaironline.net; Tue, 27 Aug 2013 08:27:51 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.160.179; envelope-from=rwstracy@gmail.com Received: by mail-gh0-f179.google.com with SMTP id f16so1150068ghb.38 for ; Tue, 27 Aug 2013 05:27:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=subject:references:from:content-type:in-reply-to:message-id:date:to :content-transfer-encoding:mime-version; bh=SkTO9YaVARucSWHZugzhVAtfs9OKKNycpFqhwOV/9Ys=; b=wBLflpW9WyObehCYx6IcqDApGiev41kOKgz9NEtGIU4p8IuCGT49eDtUL9odZw0MI9 mepy6fjB2PObVOo4N5tyHPVXat5sNYVKPAV1nPgF/kDABR/Cgag8XZElwVEsjDu7VUHH WlcZpSs6g7mFyKAH8kdVGG/FRJOe6lVhu0H1+tmlfm93FjvD0MZDUMvflcQkxoM10OG/ flMLuD2084jiqZQAbPFjE84E5XZTQyFZSVqqB09BmoaV3ILlJC3ZMC6ccwpL0C4CNUUc b+OIji6bvu7vDQRVrldmtblUdyApkmtkNFjB1LEf+Vq5yN1BgVpZo7NgxARcBAQCcpGS eINg== X-Received: by 10.236.167.165 with SMTP id i25mr53032yhl.126.1377606437114; Tue, 27 Aug 2013 05:27:17 -0700 (PDT) Return-Path: Received: from [192.168.1.3] (120.sub-70-209-0.myvzw.com. [70.209.0.120]) by mx.google.com with ESMTPSA id s6sm14224717yhs.1.1969.12.31.16.00.00 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 27 Aug 2013 05:27:16 -0700 (PDT) Subject: Re: [FlyRotary] Re: Fuel map scrambled. References: From: Tracy Content-Type: multipart/alternative; boundary=Apple-Mail-B46A32F7-C6D1-4A15-904E-D7DCD2AA8835 X-Mailer: iPad Mail (10B329) In-Reply-To: Message-Id: Date: Tue, 27 Aug 2013 08:27:14 -0400 To: Rotary motors in aircraft Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (1.0) --Apple-Mail-B46A32F7-C6D1-4A15-904E-D7DCD2AA8835 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable The scrambling could have happened when you started the engine. You might n= ot know it until your rpm and mp dialed up the corrupted address in the tabl= e. Tracy Sent from my iPad On Aug 27, 2013, at 0:01, hoursaway1@comcast.net wrote: > The thing is Lynn, I had not changed any switches in at least 15+ min. of= flight, did not even move the mixture knob, I have manual flaps, fixed land= ing gear & did not change the prop yet, that is what that flight was going t= o be for testing full cruise pitch speeds. I have my complete schematic of t= he aircraft drawn out on a large poster board & will go through to look for i= deas with Tracy's new info & guidelines. David >=20 > From: Lehanover@aol.com > To: "Rotary motors in aircraft" > Sent: Thursday, August 22, 2013 10:33:36 PM > Subject: [FlyRotary] Re: Fuel map scrambled. >=20 > A review of switching systems is in order. Not only will the inductive loa= d of the solenoid primary generate destructive voltages, as in a Kettering s= tyle field collapse, also the contactors in the solenoids can provide a dirt= y arcing when opening. Common switches as well may produce an electrically n= oisy opening. In modern electronics time periods, the operation of a common s= witch looks like a week long electrical storm. Diodes and capacitors across t= he contacts are used to silence such noise. > =20 > Lynn E. Hanover > =20 > In a message dated 8/22/2013 6:47:37 P.M. Eastern Daylight Time, hoursaway= 1@comcast.net writes: > Bobby, my map is ( was ) still set to factory with all bars in the center,= after landing I thought to check EM2 screen with mapping bars & discovered h= alf were still at center & half were all the way to the bottom/lean. I had n= ot changed anything for aprox. 15 min. of flight, then suddenly ruff running= . I just responded to Mark & mentioned that the only thing diff. from prev.= 10 hrs. was I had both landing & taxi lights on this flight. David=20 --Apple-Mail-B46A32F7-C6D1-4A15-904E-D7DCD2AA8835 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
The scrambling could have happened whe= n you started the engine.  You might not know it until your rpm and mp d= ialed up the corrupted address in the table.

Tracy<= br>
Sent from my iPad

On Aug 27, 2013, at 0:01, hoursaway1@comcast.net wrote:

The thing is Lynn,  I had not changed any switc= hes in at least 15+ min. of flight, did not even move the mixture knob, I ha= ve manual flaps, fixed landing gear & did not change the prop yet, that i= s what that flight was going to be for testing full cruise pitch speeds.&nbs= p; I have my complete schematic of the aircraft drawn out on a large poster b= oard & will go through to look for ideas with Tracy's new info & gui= delines.   David

From: Lehanover@aol.com
To: "Rotary motors i= n aircraft" <flyrotary@lan= caironline.net>
Sent: Thursday, August 22, 2013 10:33:36 PM=
Subject: [FlyRotary] Re: Fuel map scrambled.

A review of switching systems is in order. Not only wi= ll the=20 inductive load of the solenoid primary generate destructive voltages, as in a= =20 Kettering style field collapse, also the contactors in the solenoids can pro= vide=20 a dirty arcing when opening. Common switches as well may produce an electric= ally=20 noisy opening. In modern electronics time periods, the operation of a common= =20 switch looks like a week long electrical storm. Diodes and capacitors across= the=20 contacts are used to silence such noise.
 
Lynn E. Hanover
 
In a message dated 8/22/2013 6:47:37 P.M. Eastern Daylight Time,=20 hoursaway1@comcast.net writes:=
Bobby,=20 my map is ( was ) still set to factory with all bars in the center, after=20= landing I thought to check EM2 screen with mapping bars & discovered h= alf=20 were still at center & half were all the way to the bottom/lean. = I=20 had not changed anything for aprox. 15 min. of flight, then suddenly ruff=20= running.  I just responded to Mark & mentioned that the only thin= g=20 diff. from prev. 10 hrs. was I had both landing & taxi lights on this=20= flight.  David
= --Apple-Mail-B46A32F7-C6D1-4A15-904E-D7DCD2AA8835--