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04-26-2012, 11:46 AM
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Join Date: Sep 2006
Location: Webster, NY
Posts: 91
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Autopilot Stop Bracket?
Has anyone mounted the autopilot stop bracket that came with the rear servo (aileron)? I looks pretty generic and no matter what position we place it in, it does not come close to actually stopping anything.
We can't seem to find any instruction specific to the 12 model.
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RV12 Flying
Home Field KSDC
Paid 2019
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04-26-2012, 12:29 PM
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Join Date: Aug 2010
Location: Marshall TX (KASL)
Posts: 1,783
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I did not. They are not specified in the RV-12 plans - that's the overriding consideration. I could find no pictures of them being installed on anyone's plane.
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04-27-2012, 11:48 AM
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Join Date: Dec 2008
Location: Edmonds, WA
Posts: 131
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The autopilot stop bracket is a backup safety device to make sure that the servo arm can never go over-center. In actual installation and use the servo arm should not touch the bracket. The aircraft control surface stops are the primary limits.
-Robert
Dynon Marketing
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10-10-2015, 08:54 AM
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Join Date: Dec 2010
Location: Watford UK
Posts: 120
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I was just watching the really neat new dynon skyview videos in youtube, one of them being about fitting the servo stop bracket. If the primary control surfaces are preventing the servo getting anywhere near to an over centre condition, i cant envisage a situation when the servo ever would, unless a control rod has come adrift, in which case the servo over centering is the least of my worries. Or am i missing something here?
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SB RV 7A IO360 lycoming and Hartzell CS prop
First flight October 2015
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10-10-2015, 10:11 AM
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Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 9,026
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Quote:
Originally Posted by david.perl
Or am i missing something here?
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No, you are not.
__________________
Opinions, information and comments are my own unless stated otherwise. They do not necessarily represent the direction/opinions of my employer.
Scott McDaniels
Van's Aircraft Engineering Prototype Shop Manager
Hubbard, Oregon
RV-6A (aka "Junkyard Special ")
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10-10-2015, 10:54 AM
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Join Date: May 2010
Location: Spring Hill Fl
Posts: 734
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Garmin GSA 28 servos
Does anyone know if there is a kit for installing Garmin GSA 28 servos in the brackets that were for the Dynon Servos
Joe Dallas
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10-10-2015, 11:30 AM
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Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 9,026
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Quote:
Originally Posted by joedallas
Does anyone know if there is a kit for installing Garmin GSA 28 servos in the brackets that were for the Dynon Servos
Joe Dallas
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I think they both mount the same and can use the same bracket.
__________________
Opinions, information and comments are my own unless stated otherwise. They do not necessarily represent the direction/opinions of my employer.
Scott McDaniels
Van's Aircraft Engineering Prototype Shop Manager
Hubbard, Oregon
RV-6A (aka "Junkyard Special ")
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10-10-2015, 12:24 PM
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Join Date: Jul 2009
Location: Coeur d'Alene, ID/Casa Grande, AZ
Posts: 654
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Quote:
Originally Posted by rvbuilder2002
I think they both mount the same and can use the same bracket.
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There is a minor modification required to the mounting brkts which is covered in the plans.
__________________
Ric Dickison
307 (CAB) Phantom
Search and Destroy (Can Tho RVN)
Distinguished Flying Cross Society Member
CH-47 & UH-1H "Driver"
Rotax 9 Series Service IRMT
RV-12 Kit#729 "N312RD" is now a full functioning fun machine!! Thanks Van for fulfilling my dream😎
2018 Dues Paid
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10-10-2015, 01:14 PM
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Join Date: Dec 2011
Location: Livermore, CA
Posts: 6,767
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Quote:
Originally Posted by david.perl
I was just watching the really neat new dynon skyview videos in youtube, one of them being about fitting the servo stop bracket. If the primary control surfaces are preventing the servo getting anywhere near to an over centre condition, i cant envisage a situation when the servo ever would, unless a control rod has come adrift, in which case the servo over centering is the least of my worries. Or am i missing something here?
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Yes you are.
Loss of a control rod does not not mean loss of control. You have 2 ailerons; and the elevator can be controlled with the pitch trim. But if something is jamed over center at one end of the range of motion, only a parachutte will save you. |
10-10-2015, 02:03 PM
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Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 9,026
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Quote:
Originally Posted by BobTurner
Yes you are.
Loss of a control rod does not not mean loss of control. You have 2 ailerons; and the elevator can be controlled with the pitch trim. But if something is jamed over center at one end of the range of motion, only a parachutte will save you.
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True, but with the RV-12 control system it is impossible for an over center situation on the autopilot servos to occur.
__________________
Opinions, information and comments are my own unless stated otherwise. They do not necessarily represent the direction/opinions of my employer.
Scott McDaniels
Van's Aircraft Engineering Prototype Shop Manager
Hubbard, Oregon
RV-6A (aka "Junkyard Special ")
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