X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sat, 29 May 2010 10:03:17 -0400 Message-ID: X-Original-Return-Path: Received: from mail-vw0-f52.google.com ([209.85.212.52] verified) by logan.com (CommuniGate Pro SMTP 5.3.7) with ESMTP id 4330099 for lml@lancaironline.net; Sat, 29 May 2010 09:51:59 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.212.52; envelope-from=abegaskins@gmail.com Received: by vws18 with SMTP id 18so802040vws.25 for ; Sat, 29 May 2010 06:51:22 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:content-type; b=wfC9Po0flmEfvXn3vcvH+yG223iz9VHaCDkessJMdErnXDoGAa9EbIxOOU+J+lsTik b5anUDmfK6AS9+SIB0mJjka+mPc6R4QNr8mFAC6UGBhLgmBlIs/iBMIVcABYPTlOiCKQ A7N6EqIdltSt9gzWioSdxGcqYNeJ4oiMw7h7c= MIME-Version: 1.0 Received: by 10.229.184.138 with SMTP id ck10mr334542qcb.130.1275141081955; Sat, 29 May 2010 06:51:21 -0700 (PDT) X-Original-Sender: abegaskins@gmail.com Received: by 10.229.19.196 with HTTP; Sat, 29 May 2010 06:51:21 -0700 (PDT) In-Reply-To: References: X-Original-Date: Sat, 29 May 2010 08:51:21 -0500 X-Google-Sender-Auth: ssvj5Qoa6I2ct839F_pYlyVaiVM X-Original-Message-ID: Subject: Re: [LML] Legacy Trim Tab Servo Speed Control From: Abe Gaskins X-Original-To: Lancair Mailing List Content-Type: multipart/alternative; boundary=0016364d269b3a7e460487bbeb57 --0016364d269b3a7e460487bbeb57 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable I had an incident one time. I had a run away condition while at cruise altitude and I really had to fight the forces. I was not as adept to the system as Josh, but did manage to control the plane. I would like to mention when I prepared for landing I obviously had to slow the plane down. When I pulled the power back the stick forces got much more manageable. On the ground, or in hindsight, you'd say:"gesh, dumby--that's obvious." Thinking isn't quite so fluid when it's happening. So a thought, if it happens and you forget to pull the breaker, put pulling the power back in the ditty bag of tricks. abe Abe Gaskins MGM Industries Office 800-476-5584 Direct line 615-265-2046 Cell 615-642-2310 www.mgmindustries.com http://www.youtube.com/user/mgmindustriesinc On Sat, May 29, 2010 at 8:30 AM, Steve Colwell wrote= : > > > > > How many incidents have been recorded of a shorted trim switch causing > run-away servo travel ? > > > > Wolfgang > > > > On the first flight, our Legacy had runaway down trim. Josh Brungardt, o= ur > Test Pilot, had located the Trim Circuit Breaker prior to takeoff so it w= as > a non-event for him. Josh continued circling the airport and completed t= he > Test Card as planned. Would I have survived this with the excitement of = a > first flight and low Legacy time?? It confirmed my decision to pay for a > pro. > > > > The Hat Switch, Relays and Trim Servos are Ray Allen components. The onl= y > change I made before the next flight was to replace both early style (sor= ry > I don=92t have the part number) Relays with the later Larger Relays. Gar= y at > Ray Allen says they have no history with Relays sticking and changed the > design due to a manufacturing environmental requirement. I ran the Pitch > Trim Servo many times prior to change out and it worked fine, all the wir= ing > and connectors checked out too. With over 200 hours, no problems, but yo= u > can bet I know where the Trim Breaker is. > > > > Steve Colwell Legacy > > > --0016364d269b3a7e460487bbeb57 Content-Type: text/html; charset=windows-1252 Content-Transfer-Encoding: quoted-printable I had an incident one time. =A0I had =A0a run away condition while at cruis= e altitude and I really had to fight the forces. =A0I was not as adept to t= he system as Josh, but did manage to control the plane. =A0I would like to = mention when I prepared for landing I obviously had to slow the plane down.= When I pulled the power back the stick forces got much more=A0manageable. = =A0On the ground, or in hindsight, you'd say:"gesh, dumby--that= 9;s obvious." Thinking isn't quite so fluid when it's happenin= g. =A0So a =A0thought, if it happens and you forget to pull the breaker, pu= t pulling the power back in the ditty bag of tricks.

abe

Abe Gaskins
MGM Industrie= s
Office 800-476-5584
Direct line 615-265-2046
Cell 615-642-2310www.mgmindustries.com
http://www.youtube.co= m/user/mgmindustriesinc


On Sat, May 29, 2010 at 8:30 AM, Steve C= olwell <mcmess= 1919@yahoo.com> wrote:

=A0

=A0

How many incidents have been recorded of a shorted trim switch causing run-away servo travel ?

=A0

Wolfgang

=A0

On th= e first flight, our Legacy had runaway down trim.=A0 Josh Brungardt, our Test Pilot, had located the Trim Circuit Breaker prior to takeoff so it was a non-event for him.=A0 Josh continued circling the airport and completed the Test Card as planned.=A0 Would I have survived this with the excitement of a first flight and low Legacy time??=A0 It confirmed my decision to pay for a pro.

=A0

The H= at Switch, Relays and Trim Servos are Ray Allen components.=A0 The only change I made before the next flight was to replace both early sty= le (sorry I don=92t have the part number) Relays with the later Larger Relays.=A0 Gar= y at Ray Allen says they have no history with Relays sticking and changed the design due to a manufacturing environmental requirement. =A0I ran the Pitch Trim Servo many times prior to change out and it worked fine, all the wirin= g and connectors checked out too. =A0With over 200 hours, no problems, but you ca= n bet I know where the Trim Breaker is.

=A0

Steve= Colwell=A0 Legacy

=A0


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