Return-Path: Received: from mtiwmhc11.worldnet.att.net ([204.127.131.115] verified) by logan.com (CommuniGate Pro SMTP 4.2.9) with ESMTP id 711998 for flyrotary@lancaironline.net; Mon, 07 Feb 2005 22:41:34 -0500 Received-SPF: none receiver=logan.com; client-ip=204.127.131.115; envelope-from=micallahan@worldnet.att.net Received: from unknown (108.birmingham-06-08rs.al.dial-access.att.net[12.74.164.108]) by worldnet.att.net (mtiwmhc11) with SMTP id <20050208033940111009qsk7e>; Tue, 8 Feb 2005 03:39:50 +0000 Message-ID: <008e01c50d8f$a140f380$6ca44a0c@unknown> From: "Michael D. Callahan" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Bad day at the airport Date: Mon, 7 Feb 2005 21:10:02 -0600 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0081_01C50D59.63909F80" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1409 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1409 This is a multi-part message in MIME format. ------=_NextPart_000_0081_01C50D59.63909F80 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Damned! Now that's some short field technique! Glad you got it down = intact Paul. I think Rusty is right about tying it down and getting that = injection set right. I think you will probably end up doing the same = thing witha crab, anyway. Jetting sucks. Mike C. ----- Original Message -----=20 From: Paul=20 To: Rotary motors in aircraft=20 Sent: Monday, February 07, 2005 8:09 PM Subject: [FlyRotary] Bad day at the airport On Sunday I decided to do a little "tweaking" on the ECU fuel mixtures = on my 13b powered SQ2000. I had the larger 3 bladed Performance prop = on, and just wasn't getting the rpm's I wanted, so I put the smaller = dia/less pitch prop on and took it to the end of the runway and once I = was lined up on the runway, advanced the throttle to wide open. RPM's = were only around 5100, but I have flown it that way before, so I decided = to go ahead and try to work with the mixture programming at 5000 feet. = Acceleration was normal, liftoff in less than 2000 feet, and started my = climb. At approximately 250 feet, the engine started failing rapidly. I = tried various throttle positions, with no improvement. Unable to = maintain altitude. I immediately started a left turn, hoping maybe the = engine would recover enough to just get me to 500 feet downwind so I = would have a chance of making the runway. No such luck. I was now = heading back toward the center of the airport at approximately 100 feet = and descending. I wanted to land on the center turn-off section in the = middle of the airport, but that would have me landing straight towards = several parked aircraft and the main hangar. Not the best option. = There is a newly paved area slightly to my left, where aircraft may be = tied down in the future, but it was empty for now. I was out of options = and altitude. I crossed the runway at less than 50 feet. I didn't want = to land going across the runway, because the grass and mud I would = encounter after rolling across the runway would probably flip the = aircraft over. I headed for the new aircraft tie-down area, and attacked = it at a 45 degree angle to get as much "runway" as possible. I held it = off until I was over the parallel taxiway, and landed on the parallel = taxiway (the short way, of course) and with heavy braking, began = skidding across the aircraft tie-down area. (See attached photos). I = knew I couldn't stop in that short a distance, but hopefully when I went = off the other end of the pavement, I would not be going as fast. The = nose was dipped down at an angle from all the heavy braking, so I had a = nice view of what was coming. Grass, mud and a ditch. The aircraft kept = slowing down, and as I ran out of pavement, I wasn't going all that = fast. I probably only went 10 feet past the end of the paved area into = the grass and came to a stop. Missed the ditch by almost 5 feet !!! No = problem...that was fun !!! Just don't care to do it again. I restarted = the engine and taxiied back to the hangar, pretending nothing had = happened. I don't know what to do at this point. I don't care to have = this much fun again anytime soon. I'm torn between a carburetor and a = Cessna. Paul Conner -------------------------------------------------------------------------= ----- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.300 / Virus Database: 265.8.5 - Release Date: 2/3/2005 -------------------------------------------------------------------------= ----- >> Homepage: http://www.flyrotary.com/ >> Archive: http://lancaironline.net/lists/flyrotary/List.html ------=_NextPart_000_0081_01C50D59.63909F80 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Damned! Now that's some short field technique! Glad = you got it=20 down intact Paul. I think Rusty is right about tying it down and getting = that=20 injection set right. I think you will probably end up doing the same = thing witha=20 crab, anyway. Jetting sucks. Mike C.
----- Original Message -----
From:=20 Paul=20
Sent: Monday, February 07, 2005 = 8:09=20 PM
Subject: [FlyRotary] Bad day at = the=20 airport

On Sunday I decided to do a little = "tweaking" on=20 the ECU fuel mixtures on my 13b powered SQ2000.  I had the larger = 3=20 bladed Performance prop on, and just wasn't getting the rpm's I = wanted, so I=20 put the smaller dia/less pitch prop on and took it to the end of the = runway=20 and once I was lined up on the runway, advanced the throttle to wide = open.=20 RPM's were only around 5100, but I have flown it that way before, so I = decided=20 to go ahead and try to work with the mixture programming at 5000 = feet. =20 Acceleration was normal, liftoff in less than 2000 feet, and started = my climb.=20 At approximately 250 feet, the engine started failing rapidly. I tried = various=20 throttle positions, with no improvement. Unable to maintain altitude. = I=20 immediately started a left turn, hoping maybe the engine would recover = enough=20 to just get me to 500 feet downwind so I would have a chance of making = the=20 runway. No such luck.  I was now heading back toward the center = of the=20 airport at approximately 100 feet and descending.  I wanted to = land on=20 the center turn-off section in the middle of the airport, but that = would have=20 me landing straight towards several parked aircraft and the main = hangar. =20 Not the best option.  There is a newly paved area slightly to my = left,=20 where aircraft may be tied down in the future, but it was empty for = now. I was=20 out of options and altitude. I crossed the runway at less than 50 = feet. I=20 didn't want to land going across the runway, because the grass and mud = I would=20 encounter after rolling across the runway would probably flip the = aircraft=20 over. I headed for the new aircraft tie-down area, and attacked = it at a=20 45 degree angle to get as much "runway" as possible.  I held = it off=20 until I was over the parallel taxiway, and landed on the parallel = taxiway (the=20 short way, of course) and with heavy braking, began skidding across = the=20 aircraft tie-down area. (See attached photos).  I knew I couldn't = stop in=20 that short a distance, but hopefully when I went off the other end of = the=20 pavement, I would not be going as fast.  The nose was dipped down = at an=20 angle from all the heavy braking, so I had a nice view of what was = coming.=20 Grass, mud and a ditch.  The aircraft kept slowing down, and as I = ran out=20 of pavement, I wasn't going all that fast. I probably only went 10 = feet past=20 the end of the paved area into the grass and came to a stop.  = Missed the=20 ditch by almost 5 feet !!!  No problem...that was fun !!! Just = don't care=20 to do it again.  I restarted the engine and taxiied back to the = hangar,=20 pretending nothing had happened. I don't know what to do at this = point. =20 I don't care to have this much fun again anytime soon.  I'm torn = between=20 a carburetor and a Cessna.  Paul Conner

No virus found in this outgoing message.
Checked by AVG=20 Anti-Virus.
Version: 7.0.300 / Virus Database: 265.8.5 - Release = Date:=20 2/3/2005

>>  Homepage: =20 http://www.flyrotary.com/
>>  Archive:  =20 = http://lancaironline.net/lists/flyrotary/List.html
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