X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from access.aic-fl.com ([204.49.76.2] verified) by logan.com (CommuniGate Pro SMTP 5.1c.4) with ESMTP id 1416090 for flyrotary@lancaironline.net; Fri, 22 Sep 2006 20:25:12 -0400 Received-SPF: none receiver=logan.com; client-ip=204.49.76.2; envelope-from=unicorn@gdsys.net Received: from b9k4u9 (unverified [204.49.76.30]) by access.aic-fl.com (Rockliffe SMTPRA 4.5.6) with SMTP id for ; Fri, 22 Sep 2006 19:22:11 -0500 Message-ID: <001c01c6deb7$79503980$1e4c31cc@b9k4u9> From: "Richard Sohn" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: It runs! Date: Fri, 22 Sep 2006 19:24:56 -0700 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="utf-8"; reply-type=response 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 V6.00.2900.2962 ----- Original Message ----- From: "Bob Darrah" To: "Rotary motors in aircraft" Sent: Friday, September 22, 2006 2:15 PM Subject: [FlyRotary] Re: It runs! > > ----- Original Message ----- > From: > To: "Rotary motors in aircraft" > Sent: Friday, September 22, 2006 2:38 PM > Subject: [FlyRotary] Re: It runs! > > >>> Bob >> quick question! why would it fire occasionaly in the worng spot any idea >> what would cause that? >> >> Tony >> > > Beats me, Tony, but the good news is with the coil wires spaced apart, I > was able to get a better timing reading. I had it a little fast-retarded > it to 35 degrees BTDC and it purrs like a kitten now. With no prop, it > will idle as low as 800 RPM, and smoooothe. Whew! > > And thanks, guys, for all your ideas. > > Bob Darrah >Isn't 35 degrees BTDC way too early? I thought it should be closer to 25 >degrees at idle. I understand 35 degrees is the mechanical ste point, and >the controler retards from there to the proper timing. If I put the single rotor at more than 30 degrees, it hardly runs at all. FWIW Richard Sohn N-2071U > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/