X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 18 Mar 2014 15:12:03 -0400 Message-ID: X-Original-Return-Path: Received: from omr-d07.mx.aol.com ([205.188.109.204] verified) by logan.com (CommuniGate Pro SMTP 6.0.9e) with ESMTPS id 6785430 for lml@lancaironline.net; Tue, 18 Mar 2014 12:40:47 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.188.109.204; envelope-from=n5276j@aol.com Received: from mtaomg-mad02.mx.aol.com (mtaomg-mad02.mx.aol.com [172.26.221.208]) by omr-d07.mx.aol.com (Outbound Mail Relay) with ESMTP id DD8D8701E23A5 for ; Tue, 18 Mar 2014 12:40:11 -0400 (EDT) Received: from core-mlb003a.r1000.mail.aol.com (core-mlb003.r1000.mail.aol.com [172.29.186.145]) by mtaomg-mad02.mx.aol.com (OMAG/Core Interface) with ESMTP id A939438000086 for ; Tue, 18 Mar 2014 12:40:11 -0400 (EDT) References: X-Original-To: lml@lancaironline.net Subject: Re: [LML] Re: Autopilot servos and L360 bobweight In-Reply-To: X-MB-Message-Source: WebUI MIME-Version: 1.0 From: steve X-MB-Message-Type: User Content-Type: multipart/alternative; boundary="--------MB_8D110DFDD418ED9_2680_91DAC_webmail-m271.sysops.aol.com" X-Mailer: AOL Webmail 38442-STANDARD Received: from 70.193.211.115 by webmail-m271.sysops.aol.com (64.12.145.227) with HTTP (WebMailUI); Tue, 18 Mar 2014 12:40:11 -0400 X-Original-Message-Id: <8D110DFDD380955-2680-2B744@webmail-m271.sysops.aol.com> X-Originating-IP: [70.193.211.115] X-Original-Date: Tue, 18 Mar 2014 12:40:11 -0400 (EDT) x-aol-global-disposition: G x-aol-sid: 3039ac1addd0532876eb65b2 This is a multi-part message in MIME format. ----------MB_8D110DFDD418ED9_2680_91DAC_webmail-m271.sysops.aol.com Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="us-ascii" My understanding of the bob weight is not for balance due to flutter. The c= ontrol surface is balanced with out the bob weight. The bob weight is there= to reduce the pitch up tendency in PIO's ex. as you pull or pitch up the= bob weight counters your pitch up and as you pull G's it makes it increas= ingly harder to pull aft or pitch up. Hope that makes sense. I removed my= bob weight and did all my first 40 hours with out it. Afterwards I reinst= alled it and flew with it. I personally did not like it, having a delayed = feel to it in flight. I can believe it could possibly upset a auto pilot .= It did how every make it easier to not over control but then again I don't= have an over control problem even with out it. I am currently installing a tru trak auto pilot and also installed the ser= vo in the tunnel( 1/4 of it) ) behind the pass. seat with the ring clamp. = I haven't finished the wiring harness yet so can't comment on its function. Steve Alderman N25SA 360 -----Original Message----- From: John Barrett <2thman1@gmail.com> To: lml Sent: Tue, Mar 18, 2014 10:41 am Subject: [LML] Re: Autopilot servos and L360 bobweight Bob weight is there to balance the control surface . Out of balance can car= ry risk of flutter. Be sure to research before changing that relationship. John Sent from my iPad On Mar 18, 2014, at 6:52 AM, "Jack Dysart" wrote: My Tru Trak autopilot altitude hold is inconsistent, and opinions are that = the servo had difficulty working properly because of the mass of the bobwei= ght on the elevator idler arm. One possibility is to remove the weight and= expect more pitch sensitivity (lighter stick force) in turns. Has anyone = found other alternatives? What if the mass of the bobweight is reduced? =20 My servo is behind the seat and connected to a ring clamp on the elevator c= ontrol tube with a smaller, roughly parallel, rod with bearing ends. =20 Jack Dysart =20 ----------MB_8D110DFDD418ED9_2680_91DAC_webmail-m271.sysops.aol.com Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset="us-ascii"
My understanding of the bob weight is not for balance due to flutter. = The control surface is balanced with out the bob weight. The bob weight is = there to reduce the pitch up tendency in PIO's  ex.  as you pull = or pitch up the  bob weight counters your pitch up and as you pull G's= it makes it increasingly harder to pull aft or pitch up.  Hope that m= akes sense.  I removed my bob weight and did all my  first 4= 0 hours with out it. Afterwards I reinstalled it and flew with it. I p= ersonally did not like it, having  a delayed feel to it in flight. I c= an believe it could possibly upset a auto pilot  . It did how eve= ry make it easier to not over control but then again I don't= have an over control problem  even with out it.
 
I am currently installing a tru trak  auto pilot and also install= ed the servo in the tunnel( 1/4 of it) ) behind the pass. seat with th= e ring clamp.  I haven't finished the wiring harness yet so can't comm= ent on its function.
 
Steve Alderman   N25SA   360
-----Original Message-----
From: John Barrett <2thman1@gmail.com>
To: lml <lml@lancaironline.net>
Sent: Tue, Mar 18, 2014 10:41 am
Subject: [LML] Re: Autopilot servos and L360 bobweight

Bob weight is there to balance the control surface . Out of balance ca= n carry risk of flutter.  Be sure to research before changing that rel= ationship.

John

Sent from my iPad


On Mar 18, 2014, at 6:52 AM, "Jack Dysart" <jldysart1@gmail.com> wrote:

My Tru Trak autopilot altitude hold is inconsisten= t, and opinions are that the servo had difficulty working properly because = of the mass of the bobweight on the elevator idler arm.  One possibili= ty is to remove the weight and expect more pitch sensitivity (lighter stick= force) in turns.  Has anyone found other alternatives?
What if the mass of the bobweight is reduced?
 
My servo is behind the seat and connected to a rin= g clamp on the elevator control tube with a smaller, roughly parallel, rod = with bearing ends.
 
Jack Dysart    
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