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            • TABLE OF CONTENTS
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              • 2. OPERATING LIMITATIONS
              • 3. EMERGENCY PROCEDURE
              • 4. NORMAL OPERATING PROCEDURES
              • 5. PERFORMANCE
              • 6. WEIGHT AND BALANCE EQUIPMENT LIST
              • 7. DESCRIPTION OF THE sUAS AND SYSTEMS
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On this page
  • 7.1 Introduction
  • 7.2 Airframe
  • 7.3 Flight Controls
  • Throttle
  • Yaw
  • Pitch
  • Roll
  • Anti-Collision Light / Orientation Lights
  • Cargo Release Hook
  • 7.4 Propulsion System
  • 7.4.1 Motor | Propeller | Electronic Speed Control
  • 7.4.2 Flight Battery
  • 7.5 Electrical System
  • 7.6 Avionics System
  • 7.6.1 Navigation
  • 7.6.2 Communication
  • 7.6.3 Telemetry
  • 7.7 Launch | Flight Recovery System
  • Launch
  • Arming the Meadowhawk
  • Return-to-Launch (RTL)
  • Smart Return-to-Launch (SmartRTL)
  • Land Now
  • 7.8 Payloads
  • 7.9 Remote Pilot Station
  • Radio
  • 7.10 Ground Support | Surveillance
  • Share Video Stream
  • Enable the video stream on the radio controller
  • Connect over Wifi Tethering
  • Display the video stream

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  1. CubePilot Ecosystem
  2. CubePilot Partners
  3. Union Robotics
  4. Meadowhawk 2
  5. Meadowhawk 2 User Guide
  6. TABLE OF CONTENTS

7. DESCRIPTION OF THE sUAS AND SYSTEMS

Last updated 3 years ago

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7.1 Introduction

This Section provides a detailed description and operation of the Meadowhawk and its Systems. Some equipment or payload described may be optional and as such not installed in the Meadowhawk. Refer to the Supplements in Section 9 for details of other optional equipment or payload.

7.2 Airframe

7.3 Flight Controls

Stick Controls

Throttle

Left stick vertical movements

Yaw

Left stick horizontal movements

Pitch

Right stick vertical movements

Roll

Left stick horizontal movements

Throttle

Moving the left stick vertically controls the throttle, and changes the altitude of the Meadowhawk.

Yaw

Moving the left stick horizontally will osculate the meadowhawk on the vertical axis.

Pitch

Moving the right stick vertically will move the nose of the Meadowhawk in the vertical axis, which makes the aircraft move forwards or backwards.

Roll

Moving the right stick horizontally will tilt the left or right side of the Meadowhawk on the vertical axis. The roll movement will not change the altitude, but will veer the aircraft to one side without turning.

Anti-Collision Light / Orientation Lights

The anti-collision light and orientation lights are omnidirectional strobe lights that meet FAA requirements. With a night visibility of over 3 nautical miles and a day visibility of up-to 1 nautical mile, the anti-collision light and orientation lights should remain on at all times when the aircraft is in the air. The anti-collision light helps with the Meadowhawks visibility to warn other aircrafts of its presence. The orientation lights help the pilot and visual observer maintain awareness of the vehicle's orientation.

The pilot radio controller is equipped with an ON/OFF switch for the anti-collision light and orientation lights. This is so the operator can turn off the lights when the Meadowhawk is grounded and turned on.

Cargo Release Hook

The cargo release hook allows the ability to carry a small load and release the load remotely and can be actuated at any time during flight or when landed.

The pilot radio controller is equipped with an open/close button for the cargo release hook. This is so the operator can load the hook when Meadowhawk is grounded and release the load when the aircraft is remote.

CAUTION

Do not actuate the cargo release above people or vehicles.

Loading the Hook

To load an item on the hook, open the hook using the Cargor Release Hook button located on the pilot radio controller, place the item in the hook loading area, then press the button to close the hook. Check to make sure the load is secure.

7.4 Propulsion System

Propulsion

(2) clockwise (MR/CW) and (2) counterclockwise (MRP/CCW) propellers

7.4.1 Motor | Propeller | Electronic Speed Control

Motors

Number of Motors

4

Motor Manufacturer

Union Robotics®

Motor Model Number

URBH -1001

Motor Type

Direct Drive 3-Phase PMAC Outrunner

Motor Power Rating | Speed

Max Watts 1562.81 | Max RPM 15033

Propellers

Number of Propellers

4

Propeller Manufacturer

Union Robotics®

Propeller Model Number

URAP-1011

Number of Blades

2

Propeller Type

(2) 15x5.4CW and (2) 15x5.4CCW

Electronic Speed Controller

Number of ESCs

1

ESC Manufacturer

Union Robotics®

ESC Model Number

URAE-1002

ESC Type

4-in-1

ESC Power Rating

50A

7.4.2 Flight Battery

​ Battery Manufacturer

Union Robotics®

Battery Type

Sanyo NCR18650GA, 6S4P

Battery Capacity

14000 mAh

Battery min. Charge Rate

8.0A

Battery max. Charge Rate

14.0A

Number of Batteries Required for Flight

1

Number of Spare Batteries Available On-site

2

7.5 Electrical System

7.6 Avionics System

7.6.1 Navigation

Autopilot

Type

Firmware

Manufacturer

URAP-1005

Interface

Union Robotics / Solex

Navigation

Type

GNSS GPS UBlock M9N

Manufacturer

Union Robotics®

Accuracy

0.5 m3 (depending on HDOP)

7.6.2 Communication

Radio Controller

Radio Controller Manufacture

Union Robotics®

Radio Controller Model

URHX-1004

Radio Controller Frequency

2.4 GHz

Video

Video Transmitter Manufacture

Union Robotics®

Video Transmitter Model

URHX-1004

Number of Video Transmitters

1

Video Transmitter Format

WIFI

Video Transmitter Frequency

2.4GHz

7.6.3 Telemetry

Telemetry

Telemetry Manufacture

Union Robotics®

Telemetry Model

URHX-1004

Telemetry Frequency

2.4 GHz

Telemetry Range

10 km

7.7 Launch | Flight Recovery System

Launch

WARNING

Always operate the Meadowhawk in open areas (approximately 10000 square feet/930 square meters or more) that are free from people, vehicles, trees and other obstructions. Never fly near or above crowds, airports or buildings.

Never attempt to operate the Meadowhawk nearby tall buildings/obstructions that do not offer a clear view of the sky (a minimum clearance of 100°).

Be sure to place the Meadowhawk on a level and stable surface before powering ON the Ground Station and the aircraft.

NOTICE

Step back approximately 26 feet (8 meters) behind the Meadowhawk.

Arming the Meadowhawk

Hold down the left Throttle stick while pressing the Arm button on the ground station display screen on the left hand side, located in the Controls menu.

To take off, move the throttle vertically in the upward direction. Be sure to provide ample throttle to get the Meadowhawk off the ground.

Return-to-Launch (RTL)

Return-to-Launch Mode will command the Meadowhawk to fly back to the defined launch point. When the Meadowhawk first acquires a GPS position, it sets this as the launch point of the flight. Return-to-launch Mode enables the aircraft to follow a straight path when returning to the initial launch point.

During an LOS event, RTL followed by auto-land will be initiated automatically. The Meadowhawk will first check its current altitude against the configured RTL altitude. The Meadowhawk will climb to safe-height. Next, the Meadowhawk will fly back to the launch position set at the initial GPS position.

Smart Return-to-Launch (SmartRTL)

When switched into Smart RTL, like regular RTL, the vehicle will attempt to return home. The “Smart” part of this mode is that it will retrace a safe path home instead of returning directly home. This can be useful if there are obstacles between the vehicle and the home position.

Land Now

Land Now will initiate the auto-land function, which will land the aircraft in the current place. The vertical speed at which the Meadowhawk will descend during an auto-land varies as the Meadowhawk approaches the ground. By default, the aircraft will descend at 1m/s until 10 ft above the ground and then it will slow its descent considerably until touchdown.

7.8 Payloads

Max. take-Off Weight

10 lbs / 4.5 KG

7.9 Remote Pilot Station

Radio

The pilot controls of the aircraft remotely with a radio controller. The radio controller operates the aircraft and the payload attached to the aircraft.

Aircraft Pitch/Roll

Controls the pitch and roll of the aircraft

Aircraft Throttle/Yaw

Controls the throttle and yaw of the aircraft

Power

Powers on/off the radio controller

Camera Pitch

Will change the pitch of the camera payload

Camera Zoom

Operates the focal zoom for the payload camera

Photo/Video Mode

Changes the payload camera mode

Capture Photo/Video

Captures a photo or records video

Toggle Camera Zoom/Pitch

Switches the wheel function

Assignable

User assignable button (advanced feature)

LCD Display

Display for aircraft telemetry information

Antenna

Communication link between aircraft and radio

Anti-collision Light

Turns the anti-collision light on and off

Hook Release

Open and close the payload hook release

Return-to-Launch

Aircraft automatically returns and lands at take off

7.10 Ground Support | Surveillance

Share Video Stream

Ground support and surveillance can view video feed from the aircraft with a tablet, laptop, or smartphone.

Enable the video stream on the radio controller

Slide down the Notification Drawer and tap the Radio Status tab

Scroll down in Radio Settings and Enable the Video Sharing

Connect over Wifi Tethering

Pull down the Notification Drawer and enable Hotspot

To configure press and hold hotspot logo, and you should see following screen

Then under Set up Wifi hotspot configure name and password for the hotspot

The video stream will be available at rtsp://192.168.43.1:8554/fpv_stream to connected devices

Display the video stream

In this example VLC media player in used

  • Open VLC and go to File >> Open network

  • Type the url address provided on the radio controller stream menu and click "Open"

The video stream window will automatically open, if not, you can force it open by right clicking on the video stream link >> Play