X-Virus-Scanned: clean according to Sophos on Logan.com X-PolluStop: No license found, only first 5 messages were scanned Return-Path: Received: from smtp112.sbc.mail.mud.yahoo.com ([68.142.198.211] verified) by logan.com (CommuniGate Pro SMTP 5.1c.1) with SMTP id 1204936 for flyrotary@lancaironline.net; Sat, 24 Jun 2006 16:06:12 -0400 Received-SPF: none receiver=logan.com; client-ip=68.142.198.211; envelope-from=dcarter11@sbcglobal.net Received: (qmail 64544 invoked from network); 24 Jun 2006 20:05:23 -0000 Received: from unknown (HELO davidsdell8200) (dcarter11@sbcglobal.net@71.213.95.11 with login) by smtp112.sbc.mail.mud.yahoo.com with SMTP; 24 Jun 2006 20:05:22 -0000 Message-ID: <00a501c697c9$83712990$6501a8c0@davidsdell8200> From: "David Carter" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Timing adjustment Date: Sat, 24 Jun 2006 14:05:15 -0600 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2869 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2869 Ed, When you said, "I fly with my timing set 3 forward of the center position which means 2 retarded or 2* 1.875=3.75." did you mean " I fly with my timing set 3.75 retarded, i.e., 'two button pushes', i.e., 3.75 degrees from 35 degree max static BTDC."? In other words, I'm asking for clarification on the ". . . set 3 forward of the center position . . . " phrase. Was the "3" supposed to be "3.75"? Or is there some other physical measurement with respect to ". . . the center position . . . " of something not explicitely mentioned? David Carter ----- Original Message ----- From: "Ed Anderson" To: "Rotary motors in aircraft" Sent: Friday, June 23, 2006 1:19 PM Subject: [FlyRotary] Re: Timing adjustment > Buly, > > Last I recall, Tracy's instructions were to set the static timing at > approx 35degree BTDC for maximum advance. Then you can retard the timing > from that point using the EC2 mode 8? (Ignition Timing Adjustment mode) > for best performance. Each time you push the program store button in mode > 8 it changes the timing approx 1.875 deg. There are 10 adjustments > possible for a total of 9.375 degs. Or when set at 35 deg static you > would retard the timing to a minimum of 35-9.375 deg = 25.625 deg BTDC. > > I fly with my timing set 3 forward of the center position which means 2 > retarded or 2* 1.875 = 3.75. Which would give me 35 - 3.75 or 31.25 degs > BTDC for normal flight. > > Ed > ----- Original Message ----- > From: "Bulent Aliev" > To: "Rotary motors in aircraft" > Sent: Friday, June 23, 2006 2:54 PM > Subject: [FlyRotary] Timing adjustment