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DYNON AVIONICS
Contact Information
Dynon Avionics, Inc.
19825 141st Place NE
Woodinville, WA 98072
Phone: (425) 402-0433 - 8:00 AM – 5:00 PM (Pacific Time) Monday – Friday
Dynon Technical Support available 7:00 AM–4:00 PM (Pacific Time) Monday – Friday
Email: support@dynonavionics.com
Fax: (425) 984-1751
Dynon Avionics offers online sales, extensive support, and frequently updated information on its products via its
Internet sites:
www.dynonavionics.com –Dynon Avionics primary web site; including:
docs.dynonavionics.com – Current and archival documentation including Installation Guides.
downloads.dynonavionics.com – Software downloads.
support.dynonavionics.com – Support resources.
store.dynonavionics.com – Dynon’s secure online store for purchasing all Dynon products 24 hours a day.
wiki.dynonavionics.com – Dynon’s Documentation Wiki provides enhanced, extended, frequently updated online
documentation contributed by Dynon employees and customers.
forum.dynonavionics.com – Dynon’s Internet forum where Dynon customers can interact with each other and
Dynon Avionics. A key feature of the forum is that it allows the exchange of diagrams, photos, and other types of
files.
newsletter.dynonavionics.com – Dynon’s email newsletter.
blog.dynonavionics.com – Dynon’s blog where you can find new and interesting Dynon-related content.
register.dynonavionics.com – Register your Dynon Avionics product.
license.dynonavionics.com – Redeem certificates for navigation mapping software, synthetic vision, and other
features for license codes that add new functionality to your SkyView system.
Copyright
2008-2012 Dynon Avionics, Inc. All rights reserved. No part of this manual may be reproduced, copied, transmitted, disseminated or stored in
any storage medium, for any purpose without the express written permission of Dynon Avionics. Dynon Avionics hereby grants permission to
download a single copy of this manual and of any revision to this manual onto a hard drive or other electronic storage medium to be viewed for
personal use, provided that such electronic or printed copy of this manual or revision must contain the complete text of this copyright notice
and provided further that any unauthorized commercial distribution of this manual or any revision hereto is strictly prohibited.
Information in this document is subject to change without notice. Dynon Avionics reserves the right to change or improve its products and to
make changes in the content without obligation to notify any person or organization of such changes. Visit the Dynon Avionics website
(www.dynonavionics.com) for current updates and supplemental information concerning the use and operation of this and other Dynon
Avionics products.
Servo Mounting Instructions – RV-6 Roll Kit 1
101046-001 Rev F
DYNON AVIONICS
Kit Contents
Dynon Part #
QTY
Part Description
100836-000
2
Large Male Rod End
100866-000
1
RV6 Roll Bracket
100867-000
1
RV6 Roll Plate
100966-005
1
Aluminum Pushrod Tube - 7.5"
100975-002
2
AN315-4R Jam Nut
100976-007
4
AN365-832A Nylon Insert Locknut
100976-011
2
AN365-1032A Nylon Insert Locknut
100977-000
2
AN970-3 Large Flat Washer
100978-002
4
AN960-8 Small Flat Washer
100978-003
7
AN960-10 Small Flat Washer
100979-002
4
MS35333-39 #10 Internal Star Washer
100980-008
4
MS24693-50 Countersunk Machine Screw
100981-000
4
AN3H-3A Bolt - 3/8"
100981-005
1
AN3H-10A Bolt - 1"
100981-014
1
AN3H-21A Bolt – 2 1/8"
100982-002
1
Aluminum Spacer - 0.600"
SERVO MOUNTING INSTRUCTIONS – RV-6 FUSELAGE ROLL KIT
The RV-6 fuselage roll servo mounting kit includes a mounting bracket, strengthening plate,
pushrod linkage, and all of the required fasteners to mount the servo and properly link it to the
aircraft control system. All Dynon-supplied parts are illustrated in dark grey to distinguish them
from existing aircraft hardware. Refer to the drawing to locate the servo mounting bracket in the
aircraft. Dynon currently supports a fuselage-only roll install for the RV6. The bracket and servo can
be installed under either the pilot or passenger seat.
Decide whether the bracket will be installed using the recommended method of securing through
the floor (fuselage skin) or bolting to the rib. The alternate rib fastening method requires the installer
to supply additional fasteners. Dynon has supplied a strengthening plate that will sandwich the
aircraft skin when installed in the recommended manner. Use the bracket as a template for drilling
and refer to the drawing for dimensions. Rivet nuts can be attached to the bracket, or simply use the
supplied MS24693-50 screws through AN960-8 flat washers and AN365-832A lock nuts as
illustrated. This installation method should place the fuselage skin holes and plate underneath the
landing gear fairing in an RV6A.
With the bracket in place, the servo can be installed. We recommended that all 4 of the AN3H-3A
bolts be installed with the MS35333-39 star washers and AN960-10 flat washers to secure the servo
to the bracket. All AN bolts supplied by Dynon have drilled heads for use with safety wire.
Servo Mounting Instructions – RV-6 Roll Kit 2
101046-001 Rev F
DYNON AVIONICS
Neglecting to properly install and/or use Dynon autopilot hardware
may result in failures which could cause loss of aircraft control
resulting in aircraft damage, personal injury or death.
With the servo installed, the linkage needs to be assembled. Refer to the illustration and follow
proper rod end installation techniques. Screw at least half of the threads on each rod end into the
push rod. To prevent the possibility of the servo arm going over-center, the servo arm
must not travel more than a total of +/-60º from neutral throughout the control system's range of
travel. The linkage should be installed as close to the Dynon recommendation as possible, as
changes will affect geometry. Dynon suggests installing the linkage at the outer-most hole of the
servo arm. Changing this location will affect servo torque output, servo arm travel, control surface
resolution, and the amount of force required to shear the safety screw, and should only be changed
if the installer has an understanding of these implications. See the diagram on the following page
which illustrates the linear travel and available force for each mount point on long-arm servos.
Standard mounting of the linkage to the servo arm will include the AN3H-10A bolt, AN970-3 large
diameter flat washer (for capturing the rod end bearing), 2 AN960-10 flat washers on each side of
the servo arm itself, and the AN365-1032A lock nut. The other end of the linkage will require the
same type of stack-up, but will need the included .600" spacer and longer bolt to clear the existing
push tube. Some trimming around push tube holes in ribs may be required over full travel to clear
the supplied linkage.
The distance between the servo arm and the control system attachment point must allow for the
angle between the servo arm and the push rod to be at approximately 90º when the controls are at
neutral. Use the adjustability in the rod ends to achieve this, and then tighten the jam nuts to lock
the rod ends in place. The illustrations show the control stick, linkage, and arm at one end of the range of motion for clarity when viewing the servo part stack-up.
Installers should always keep in mind the range of motion of the servo. Total servo arm travel is
limited, but verify the arm/linkage do not interfere with anything during the full motion of the
control stick. The built-in control stops of the aircraft will limit the servo arm travel when installed
correctly. We recommend the use of the optional Range of Motion Limiting Bracket, supplied with
the servo to eliminate the chance of the servo arm going over-center. This bracket should not be
used as a normal stop; the aircraft's built-in stops should always be the primary range limit.
Your servo(s) and AP74/76 (if ordered) came with a CD containing the latest documentation for all
Dynon products (also available at dynonavionics.com). Please read through that documentation to
understand the wiring and configuration process for your Autopilot system. We also maintain a
collaborative set of this documentation, which is often updated with new information by both
Dynon and fellow builders. Visit wiki.dynonavionics.com to view and contribute to the latest
version of these documents.
You can also visit forum.dynonavionics.com to discuss and share installation notes, pictures, and
suggestions with other builders.
Servo Mounting Instructions – RV-6 Roll Kit 3
101046-001 Rev F
DYNON AVIONICS
Red
Black
Green
Blue
Yellow
Wht/Grn
Wht/Blu
Servo 1
Wires
Pilot-accessible
Servo Power
Switch/Breaker
Aircraft GND
Red
Black
Green
Blue
Yellow
Wht/Grn
Wht/Blu
Servo 2
Wires
Aircraft GND
Aircraft Power (10-30V)
Pitch and Roll Servos
are wired identically, and can
share wiring for convenience at
any point along the run.
5 kohm
Optional resistor for
detecting broken
disengage lines
Pilot-accessible
Disengage/CWS button
(Normally open, momentary)
Usually mounted to the stick
Power (10-30V)
Ground
SkyView Network 1 A or DSAB A
SkyView Network 1 B or DSAB B
Disengage
SkyView Network Data 2 A *
SkyView Network Data 2 B *
Power (10-30V)
Ground
SkyView Network 1 A or DSAB A
SkyView Network 1 B or DSAB B
Disengage
SkyView Network Data 2 A *
SkyView Network Data 2 B *
Servo Current Draw at 12V
(halve the current values for 24V systems)
SV32
Powered but disengaged: 0.1 amps
Engaged and holding, 100% torque: 0.80 amps
Engaged and moving, 100% torque: 1.33 amps
SV42
Powered but disengaged: 0.1 amps
Engaged and holding, 100% torque: 1.11 amps
Engaged and moving, 100% torque: 2.03 amps
SV52
Powered but disengaged: 0.1 amps
Engaged and holding, 100% torque: 1.52 amps
Engaged and moving, 100% torque: 2.80 amps
Aircraft GND
Use 22 AWG wire for SkyNet
and Disengage signals.
Use appropriate wire gauge for
servo power based on current
consumption and length of wire run
Green
Blue
Twisted Pair
Twisted Pair
Twisted Pair
D10A/D100/D180
D25
CONNECTOR
SKYVIEW
D9
CONNECTOR
N/A
N/A
5
4
4
8
6
1
WHT/BLU
WHT/GRN
BLU
GRN
Wht/Grn
Wht/Blu
*NOT USED FOR D10A/D100/D180
Wiring Overview
The following diagram provides an overview of the autopilot-specific wiring installation. For the
complete set of wiring and configuration instructions, please see the latest Installation Guide for
your Dynon EFIS product. For a SkyView system please reference the Autopilot Servo Installation, Configuration, and Calibration chapter of your SkyView System Installation guide.
For EFIS-D10A, EFIS-D100 or FlightDEK-D180 please reference the Autopilot Installation and
Configuration chapter of each respective Installation Guide.
Servo Mounting Instructions – RV-6 Roll Kit 4
101046-001 Rev F
DYNON AVIONICS
Long-arm variants
(as used for RV-6
Roll) have linkage
mount holes at 1.5”,
1.75”, and 2.0”
L
Weight
SV32
2.17”
2 lb
SV42
3.10”
3 lb
SV52
4.02”
4 lb
Servo Dimensions
Use the following dimensions (in inches) for reference when planning and implementing your
installation.
Servo Mounting Instructions – RV-6 Roll Kit 5
101046-001 Rev F
DYNON AVIONICS
Long Arm
Max Linear Travel
A: 3.4”, B: 3.0”, C: 2.6”
Max Force @ 100% Torque
SV32L - A: 18lb, B: 20lb, C: 24lb
Linkage mount position force and travel
The diagram below illustrates the maximum travel and force available at each linkage mounting
point. As can be seen, the closer you mount the linkage to the shaft, the more force the servo can
deliver. However, this also means the travel of the arm is shorter. Again, ensure that the servo arm is
nowhere near going over-center throughout the entire range of the control system.
Position A should be used in most RV-6 roll installations. Modify mount position with caution and
take all precautions to ensure that a near over center condition cannot occur.
The autopilot safety shear screw should NEVER be removed or adjusted during this
operation. If the shear screw has broken and needs replacement, there is specific
documentation available for this purpose at http://docs.dynonavionics.com.
Servo Mounting Instructions – RV-6 Roll Kit 6
101046-001 Rev F
DYNON AVIONICS
Mounting drawings
The following pages provide detailed views of the mounting and assembly of the servo and this kit.
Servo Mounting Instructions – RV-6 Roll Kit 7
101046-001 Rev F
DYNON AVIONICS
Servo Mounting Instructions – RV-6 Roll Kit 8
101046-001 Rev F
DYNON AVIONICS
Servo Mounting Instructions – RV-6 Roll Kit 9
101046-001 Rev F
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