Eagle Tree Systems Guardian 2D/3D Stabilizer Manual
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Eagle Tree Systems Guardian 2D/3D Stabilizer Manual

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Introduction

Thank you for your purchase! Based on Eagle Tree's proven inertial stabilization technology, the Guardian 2D/3D Stabilizer (the Guardian) stabilizes just about any type of
fixed wing model, and works with any radio. Unlike most "gyro stabilizer" products on the market, the Guardian provides true wing leveling stabilization as well as precise
fly-by-wire control.
This lets you configure the Guardian to return to level flight in an emergency, by just flipping a radio switch!
This instruction manual will guide you through the installation and operation of your Guardian. The latest version of this manual is available in the Product Manuals
section of the Support tab on http://www.eagletreesystems.com. The online manual is in full color, and includes any updates that were made after this manual was
produced.
Please read the entire manual carefully before proceeding.
Help" section below.
Packing List
Your package should include the following: The Guardian, the receiver connection harness with labeled
connectors, the quick reference card, and a printed version of this manual.
Specifications (approximate)
•
Input Voltage Range: 4.5v to 16v
•
Current Draw: Approximately 31mA
•
Dimensions: 41mm x 22mm x 11mm (1.62 inches x 0.86 inches x 0.42 inches)
•
Mass: 11 grams (0.4 ounces) including harness
•
Maximum Servo Current through Guardian: 5 Amps

How to Get Help

Eagle Tree is committed to providing great customer service. If you've read the manual and something is not clear,
just ask. We'd much prefer to take the time to answer your questions, rather than having you waste your valuable
time struggling with an issue.
To get help, visit the Eagle Tree Guardian support thread at
http://www.rcgroups.com/forums/showthread.php?t=1596644
problem already. If not, posting your problem there will get a very quick response from the Eagle Tree community.
If you prefer to not post on the forum, or you feel there is a problem with your Eagle Tree hardware, please open a
support ticket with us at
http://ticket.eagletreesystems.com
can. Note that when you create a support ticket, you will be emailed a link that will let you check the status of the
ticket. If you do not receive the email, this most likely means that a spam filter is intercepting emails from Eagle
Tree.
Also Eagle Tree greatly values your feedback on how we can improve our products. To leave us feedback for a
new feature request or improvement, either post the feedback on our support thread above, create a support ticket
with your feedback, or send feedback at

Terms and Symbols used in the Manual

Warning or Caution
Helpful Note
Pitch - Lift or descent of the nose and tail of the model. Normally controlled by the elevator, or
movement of elevons in same direction.
Roll - Rocking movement of the wings, side to side. Normally controlled by ailerons, or
movement of elevons in opposite directions.
Yaw - Turning of the airplane without banking. Normally controlled by the rudder.
Axis - an imaginary line drawn horizontally through your model's wing (for Pitch), horizontally
through your fuselage (for roll), or vertically through the center of your fuselage (for yaw).
Control Stick - The stick on your radio that controls elevator and aileron functions (pitch and roll).
Attitude - The orientation of the model with respect to the horizon.
2D Mode - A mode where the model is brought to a level attitude (level flight and level wings) by
the Guardian when the control stick is centered.
3D Mode - A mode where the Guardian attempts to hold the model's present attitude when the
Control Stick is centered, by moving the model's control surfaces automatically.
Heading - The present direction of travel of the model with respect to North.
Copyright 2013 Eagle Tree Systems, LLC
Guardian 2D/3D Stabilizer
Document Version 2.0
.
Chances are someone has posted a solution to your
and we will respond to your support ticket as soon as we
http://www.eagletreesystems.com/Feature/feature.html
Assembled in Taiwan
If, after you read the manual, you have further questions or problems, see the "How to Get
Page 1

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Summary of Contents for Eagle Tree Systems Guardian 2D/3D Stabilizer

  • Page 1: Table Of Contents

    Introduction Thank you for your purchase! Based on Eagle Tree's proven inertial stabilization technology, the Guardian 2D/3D Stabilizer (the Guardian) stabilizes just about any type of fixed wing model, and works with any radio. Unlike most “gyro stabilizer” products on the market, the Guardian provides true wing leveling stabilization as well as precise fly-by-wire control.

  • Page 2: Main Features

    Main Features The Guardian 2D/3D Stabilizer has two main modes of operation: 2D Mode and 3D Mode. While in flight, a spare switch on your radio lets you switch between 2D mode, 3D aerobatic mode, and no stabilization. Imagine performing a difficult 3D maneuver with ease, then just flipping a switch to instantly return to level flight! Please see the Tuning Stabilization Gains section for notes on preventing damage from re-leveling too quickly.

  • Page 3: Guardian Physical Connections/ Controls

    • LED Viewports – for your convenience, the status LED can be seen from both the top and side of the Guardian case. Please see the Status LED section for more information. Copyright 2013 Eagle Tree Systems, LLC Page 3...

  • Page 4: The Receiver Connection Harness

    BEC/Receiver Battery Power Requirements The Guardian 2D/3D Stabilizer is sensitive to deep voltage drops, which means that your BEC or receiver battery must be sufficient to maintain a voltage of at least 3.5 volts, even under full servo load. The Guardian will shut off if the voltage drops below this level! Under normal conditions, the BEC voltage should be at least 4.5 volts to achieve the best stabilization performance.

  • Page 5: Mounting The Guardian In Your Model

    After mounting, be sure to pull up on the Guardian with a force greater than you expect to encounter in flight, to confirm mounting integrity. Figure 5 – Good and Bad Ways to Mount the Guardian Copyright 2013 Eagle Tree Systems, LLC Page 5...

  • Page 6: Preflight Checks

    Stabilization Theory The Guardian 2D/3D Stabilizer uses accelerometers and gyroscopes to measure the orientation of your model relative to the local direction of Earth’s gravity. In addition, it interprets Pitch and Roll attitudes commanded by your Elevator and Aileron stick movements, respectively.
  • Page 7 The Guardian is a great tool for beginners looking for a safety net in case of lost orientation or control, however switching to 2D Mode with a combination of too-high airspeed and gains may cause damage to the airframe. Copyright 2013 Eagle Tree Systems, LLC Page 7...

  • Page 8: Status Led

    3 position switch, its center position is not used during toggling. The switch you are using on your radio must be configured with its endpoints at approximately -100%, 100% for Configuration Gestures to work correctly. Copyright 2013 Eagle Tree Systems, LLC Page 8...
  • Page 9 Enters menu mode (described below). Radio Stick Menu Operation The Guardian 2D/3D Stabilizer has many advanced features that can be configured through the Radio Stick Menu. Entering the Radio Stick Menu Entering the Radio Stick Menu is done by powering the model with the Guardian connected and quickly toggling the Mode/Config Switch back and forth four times within the first 15 seconds following power-on.

  • Page 10: The Guardian Pc Software

    If the electronics are designed for it, the maximum frequency of 400 Hz will improve stability on more responsive airframes. Setting this option above 50Hz for analog servos can cause them to work too hard and may cause damage if left for too long. Use with caution. The Guardian PC Software Copyright 2013 Eagle Tree Systems, LLC Page 10...

  • Page 11: Guardian Configuration Page Software Reference

    Guardian firmware. If so, click the “Update” button for the Guardian 2D/3D Stabilizer on the Firmware Control page, and foll Guardian firmware. If so, click the “Update” button for the Guardian 2D/3D Stabilizer on the Firmware Control page, and follow the on ow the on-screen prompts.

  • Page 12: Troubleshooting / F.a

    BEC or motor). Or, you may need to mount the Guardian differently to reduce excess as a powerful BEC or motor). Or, you may need to mount the Guardian differently to reduce excessive vibration. Copyright 2013 Eagle Tree Systems, LLC Eagle Tree Systems, LLC...

  • Page 13: Limited Warranty

    Limited Warranty Eagle Tree Systems, LLC, warrants the Guardian 2D/3D stabilizer (the Product) to be free from defects in materials and workmanship for a period of one (1) year from the date of original purchase. This warranty is nontransferable. If your unit requires warranty service during this period, we will replace or repair it at our option. Shipping cost to us is your responsibility.

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