Return-Path: Sender: "Marvin Kaye" To: lml@lancaironline.net Date: Thu, 21 Oct 2004 09:10:50 -0400 Message-ID: X-Original-Return-Path: Received: from imo-d23.mx.aol.com ([205.188.139.137] verified) by logan.com (CommuniGate Pro SMTP 4.2.5) with ESMTP id 481445 for lml@lancaironline.net; Thu, 21 Oct 2004 08:53:51 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.188.139.137; envelope-from=Sky2high@aol.com Received: from Sky2high@aol.com by imo-d23.mx.aol.com (mail_out_v37_r3.8.) id q.148.3678881c (4214) for ; Thu, 21 Oct 2004 08:53:13 -0400 (EDT) From: Sky2high@aol.com X-Original-Message-ID: <148.3678881c.2ea90b36@aol.com> X-Original-Date: Thu, 21 Oct 2004 08:53:10 EDT Subject: Re: [LML] Re: S-TEC 50 Problem - LNC2 X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1098363190" X-Mailer: 9.0 for Windows sub 5000 -------------------------------1098363190 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 10/21/2004 1:20:37 AM Central Standard Time, edechazal@comcast.net writes: Tell me more about this accelerometer you referenced. I did not know there was one in the box. I can at times feel the stick moving for/aft significantly and the plane change pitch noticeably, in smooth air, perfectly trimmed, with no apparent justification according to the altimeter. Could it be that the accelerometer has failed??? But, sometime my altitude hold works well, at least for a time, so..... It really seems to me that if we were to describe all this to the S-TEC programmer guy, he'd be able to diagnose it in a heartbeat. That'll be my next direction after some more flight tests. As a last resort, we can pair up and fly down to Texas in formation for some S-TEC quality time. Ed, Note that Lancair is not listed in the S-Tec kitplanes List: _http://www.s-tec.com/kitairplanes.html_ (http://www.s-tec.com/kitairplanes.html) See page 6 of this pdf for an explanation of the accelerometer: _http://www.s-tec.com/pdf/autopilotbook.pdf_ (http://www.s-tec.com/pdf/autopilotbook.pdf) I think the accelerometer is in the computer box but I will ask when I call S-Tec next. How is your pitch servo / elevator control set up? Is elevator neutral set at the center of the servo movement? Did I originally offset the hook up to lessen the sensitivity? Am I losing my memory? Should I just go back to the padded cell? If we fly to TX on altitude hold will we porpoise at the same time? Call me (cell 630-561-0400) and we can talk amongst ourselves. Scott Krueger AKA Grayhawk N92EX IO320 Aurora, IL (KARR) Some Assembly Required Using Common Hand Tools - A different one every day. -------------------------------1098363190 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

In a message dated 10/21/2004 1:20:37 AM Central Standard Time,=20 edechazal@comcast.net writes:

<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D2>

Tell me more about this=20 accelerometer you referenced. I did not know there was one in the=20 box. I can at times feel the stick moving for/aft significantly and=20= the=20 plane change pitch noticeably, in smooth air, perfectly trimmed, with no=20 apparent justification according to the altimeter. Could it be that=20= the=20 accelerometer has failed??? But, sometime my altitude hold works wel= l,=20 at least for a time, so.....

It really seems to me tha= t if we=20 were to describe all this to the S-TEC programmer guy, he'd be able to=20 diagnose it in a heartbeat. That'll be my next direction after some=20= more=20 flight tests.

As a last resort, we can=20= pair up=20 and fly down to Texas in formation for some S-TEC quality time. =20

Ed,

Note that Lancair is not listed in the S-Tec kitplanes List:

http://www.s-tec.com/kitairp= lanes.html

See page 6 of this pdf for an explanation of the accelerometer:

http://www.s-tec.com/pdf= /autopilotbook.pdf

I think the accelerometer is in the computer box but I will ask when I=20= call=20 S-Tec next.

How is your pitch servo / elevator control set up? Is elevator=20 neutral set at the center of the servo movement?

Did I originally offset the hook up to lessen the sensitivity? Am= I=20 losing my memory? Should I just go back to the padded cell?

If we fly to TX on altitude hold will we porpoise at the same time?

Call me (cell 630-561-0400) and we can talk amongst ourselves.=20

Scott Krueger=20 AKA Grayhawk
N92EX IO320 Aurora, IL (KARR)

Some Assembly Required=20
Using Common Hand Tools -

A different one every day.

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