X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from aspensprings.uwyo.edu ([129.72.10.32] verified) by logan.com (CommuniGate Pro SMTP 5.2.12) with ESMTPS id 3501321 for flyrotary@lancaironline.net; Thu, 19 Feb 2009 15:17:00 -0500 Received-SPF: none receiver=logan.com; client-ip=129.72.10.32; envelope-from=SBoese@uwyo.edu Received: from ponyexpress-ht1.uwyo.edu (ponyexpress-ht1.uwyo.edu [10.84.60.208]) by aspensprings.uwyo.edu (8.13.8/8.13.8) with ESMTP id n1JK9tbX013885 for ; Thu, 19 Feb 2009 13:16:19 -0700 (MST) (envelope-from SBoese@uwyo.edu) Received: from TELEGRAPH1.uwyo.edu (10.84.60.121) by ponyexpress-ht1.uwyo.edu (10.84.60.208) with Microsoft SMTP Server id 8.1.340.0; Thu, 19 Feb 2009 13:16:08 -0700 Received: from UWMAIL.uwyo.edu ([172.26.4.76]) by TELEGRAPH1.uwyo.edu with Microsoft SMTPSVC(6.0.3790.3959); Thu, 19 Feb 2009 13:16:07 -0700 Received: from Boesexps ([10.4.44.41]) by UWMAIL.uwyo.edu with Microsoft SMTPSVC(6.0.3790.3959); Thu, 19 Feb 2009 13:16:07 -0700 From: sboese To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Staging Bog and Lean mixture Date: Thu, 19 Feb 2009 13:15:38 -0700 Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_003A_01C99294.2813EF60" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 In-Reply-To: X-OriginalArrivalTime: 19 Feb 2009 20:16:07.0931 (UTC) FILETIME=[E62BACB0:01C992CE] ------=_NextPart_000_003A_01C99294.2813EF60 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit If I am reading things right (a question in its own right), the time lag Tracy is talking about is the response time an injector to a given pulse. This affects linearity of the fuel delivered vs pulse width relationship. The longer the pulse width, the smaller the effect of the speed of injector response. The recordings of pulses I've made indicate that the primary and secondary injector pulses arrive at the same time. Always willing to be educated. Steve Boese ------=_NextPart_000_003A_01C99294.2813EF60 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

If I am reading things right (a = question in its own right), the time lag Tracy is talking about is the response = time an injector to a given pulse. This affects linearity of the fuel = delivered vs pulse width relationship. The longer the pulse width, the smaller = the effect of the speed of injector response. The recordings of pulses = I’ve made indicate that the primary and secondary injector pulses arrive at = the same time.

Always willing to be = educated…

Steve Boese

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