X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fed1rmmtao102.cox.net ([68.230.241.44] verified) by logan.com (CommuniGate Pro SMTP 5.3.0) with ESMTP id 4060451 for flyrotary@lancaironline.net; Fri, 01 Jan 2010 21:43:32 -0500 Received-SPF: none receiver=logan.com; client-ip=68.230.241.44; envelope-from=rv-4mike@cox.net Received: from fed1rmimpo02.cox.net ([70.169.32.72]) by fed1rmmtao102.cox.net (InterMail vM.8.00.01.00 201-2244-105-20090324) with ESMTP id <20100102024256.EFMC8308.fed1rmmtao102.cox.net@fed1rmimpo02.cox.net> for ; Fri, 1 Jan 2010 21:42:56 -0500 Received: from willsPC ([68.105.91.47]) by fed1rmimpo02.cox.net with bizsmtp id QSiw1d00811JKxw04Siw19; Fri, 01 Jan 2010 21:42:56 -0500 X-VR-Score: -30.00 X-Authority-Analysis: v=1.1 cv=hBBxVKrpT8NIO1i2+E6jIs4z/JDusIBXnpwMe9ND0ls= c=1 sm=1 a=0/axarwMsD7CBOw3dIi+FQ==:17 a=7PR-nXrrJ527ZXxSy7cA:9 a=qPwa77R_Va3DX0qPyoEA:7 a=r4a7yAnDalxzgUg6z7n8G-IE07YA:4 a=tk7Rd7E2GSn6R2LVmLUA:9 a=JqHnG-Df7WEXvUYgugMA:7 a=_qjIJzoBRb7dwyFgFrMWv2r47ywA:4 a=0/axarwMsD7CBOw3dIi+FQ==:117 X-CM-Score: 0.00 Message-ID: <7A9799EBB4714306A35863E73AB1E1E2@willsPC> From: "Mike Wills" To: "Rotary motors in aircraft" Subject: first flight of the new year Date: Fri, 1 Jan 2010 18:42:56 -0800 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0024_01CA8B12.3C04A510" X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8089.726 X-MimeOLE: Produced By Microsoft MimeOLE V14.0.8089.726 This is a multi-part message in MIME format. ------=_NextPart_000_0024_01CA8B12.3C04A510 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hope the holidays are treating you all well. Things are kind of slow on = the list this week. So figured I'd get things going. I havent flown for almost 2 months. First my nephew's accident (he's = recovering amazingly well). Then travel for work. Then had to do an = annual on the airplane. Finally, had surgery to remove my appendix and = gall bladder. Been a busy couple of months. But I'm feeling pretty good now, the airplane is ready for its first = flight after the annual, and today was a spectacular day here with clear = blue sky, unlimited visibility, light breeze, and temps in the mid 60s. = I resolved a number of minor issues during the annual, including the gas = smell that I've been living with for a while now. Found my left tank = vent line was loose where it penetrates the bottom of the fuselage so = was venting into the cockpit. The smell is now completely gone. Also found a solution to a problem I've been noticing since I've started = flying further from the airport. I'd noted on previous flights when = returning to the airport with a long low power descent that the engine = runs quite lean as I enter the pattern requiring the mixture knob to be = turned full rich. On a couple of occasions I've had some misfiring as I = turn final - quite an attention getter! Today I realized the problem was = a non-problem, in other words operator error. While descending (and for = that matter, frequently at other times) I tweak the mixture based on the = mixture monitor reading. Today I ignored the monitor and just left the = mixture alone which worked just fine. I think during prolonged low power = descents the O2 sensor cools off and provides an inaccurate reading. The = occasional misfire was the result of running too rich (the mixture = monitor indicated mid range readings). So todays flight was trouble free and gets me an hour closer to the end = of phase 1. 18 hours down, 22 to go. Mike Wills RV-4 N144MW ------=_NextPart_000_0024_01CA8B12.3C04A510 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Hope the holidays are treating you all well. = Things are=20 kind of slow on the list this week. So figured I'd get things=20 going.

I havent flown for almost 2 months. First my = nephew's=20 accident (he's recovering amazingly well). Then travel for work. Then = had to do=20 an annual on the airplane. Finally, had surgery to remove my appendix = and gall=20 bladder. Been a busy couple of months.

But I'm feeling pretty good now, the airplane = is ready=20 for its first flight after the annual, and today was a spectacular day = here with=20 clear blue sky, unlimited visibility, light breeze, and temps in the mid = 60s. I=20 resolved a number of minor issues during the annual, including the gas = smell=20 that I've been living with for a while now. Found my left tank vent = line=20 was loose where it penetrates the bottom of the fuselage so was venting = into the=20 cockpit. The smell is now completely gone.

Also found a solution to a problem I've been = noticing=20 since I've started flying further from the airport. I'd noted on = previous=20 flights when returning to the airport with a long low power descent that = the=20 engine runs quite lean as I enter the pattern requiring the mixture knob = to be=20 turned full rich. On a couple of occasions I've had some misfiring as I = turn=20 final - quite an attention getter! Today I realized the problem was a=20 non-problem, in other words operator error. While descending (and for = that=20 matter, frequently at other times) I tweak the mixture based on the = mixture=20 monitor reading. Today I ignored the monitor and just left the mixture = alone=20 which worked just fine. I think during prolonged low power descents = the O2 sensor cools off and provides an inaccurate reading. The = occasional=20 misfire was the result of running too rich (the mixture monitor = indicated mid=20 range readings).

So todays flight was trouble free and gets me = an hour=20 closer to the end of phase 1. 18 hours down, 22 to go.

Mike Wills

RV-4 = N144MW

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