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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
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On this page
  • 1.1 Introduction
  • 1.2 Warnings, Cautions and Notes
  • 1.3 Description
  • 1.3.1 Three-View-Drawing of the sUAS
  • 1.3.2 Dimensions
  • 1.3.3 Motors | Propellers | Electronic Speed Controls
  • 1.3.4 Flight Control Surfaces
  • 1.3.5 Avionics | Navigation | Communication Systems
  • 1.3.6 Flight Battery
  • 1.3.7 Weights
  • 1.4 Remote Pilot Station
  • 1.4.1 Function Controls Layout
  • 1.4.2 Command and Control Link
  • 1.5 Firmware | Software
  • 1.6.1 Abbreviations and Acronyms
  • 1.6.2 Definitions

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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

1. GENERAL

1.1 Introduction

This Remote Vehicle Flight Manual has been prepared to describe the complete operation of the airframe and flight control systems of the Meadowhawk remotely piloted aerial vehicle, and the normal maintenance of those items. Do not operate the Meadowhawk without reading and understanding this manual.

This manual is not a substitute for adequate flight training. Training requirements can vary when operating in different countries or under different flight conditions. Always consult local regulations before flying the Meadowhawk. In areas where there are no flight training requirements, it is the sole determination of the pilot-in-command as to whether he or she has the appropriate level of training or experience for a given flight. Always set and adhere to personal minimums and fly within your own capabilities.

1.2 Warnings, Cautions and Notes

The following definitions apply to warnings, cautions, and notes used in this Remote Aircraft Flight manual:

WARNING

Disregarding the following instructions leads to an immediate or severe deterioration of flight safety and hazardous situations, including such resulting in personal injury and damage to property.

CAUTION

Disregarding the following instructions leads to a serious or long term deterioration of flight safety

NOTE

Draws attention to any special item not directly related to safety but which is important or unusual.

1.3 Description

The Union Robotics® Meadowhawk 2 is a professional multi-rotor aircraft designed for critical infrastructure inspections, search and rescue operations, and first responder applications.

Manufactured by:

Union Robotics®

3800 SW Cedar Hills Blvd Suite 260, Beaverton, OR 97005

support@union-robotics.com

1-888-864-6680

1.3.1 Three-View-Drawing of the sUAS

1.3.2 Dimensions

Feature

Measurement

Width Without Props

17.7 in / 450 mm

Width With Props

33 in / 838 mm

Height

7.9 in / 200mm

1.3.3 Motors | Propellers | Electronic Speed Controls

Motors

Number of Motors

4

Motor Manufacture

Union Corp.

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 Manufacture

T-Motors

Propeller Model Number

URAP-1011

Number of Blades

2

Propeller Type

(2) 15x5.5CW and (2) 15x5.5CCW

Electronic Speed Controller

umber of ESCs

1

ESC Manufacture

Union Robotics

ESC Model Number

URAE-1002

ESC Type

4-in-1

ESC Power Rating

55A

1.3.4 Flight Control Surfaces

Control Surfaces

N/A

1.3.5 Avionics | Navigation | Communication Systems

Number of Flight Controllers

1

Flight Controller Manufacture

Union Robotics

Flight Controller Model

URMR-1003

Flight Controller Processor

32-bit STM32F7777 Cortex M4

Flight Controller Accelerometer/Gyroscope

Bosh BM1088

Flight Modes

Loiter, RTL, SmartRTL

Telemetry Manufacture

Union Robotics

Telemetry Model

URDL-1004

Telemetry Frequency

2.4GHZ

Radio Receiver Manufacture

Union Robotics

Radio Receiver Frequency

2.4GHz

Video Transmitter Manufacture

Union Robotics

Video Transmitter Model

URDL-1004

Video Transmitter Format

720P 30fps & 1080P 30/60fps

Video Transmitter Frequency

2.4GHz

1.3.6 Flight Battery

Battery Manufacture

Union Robotics

Battery Type

Li-ion Sanyo NCR18650GA

Battery Capacity

14000mAh

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

1.3.7 Weights

Empty Weight - Without Flight Battery or Payload

4 lbs / 1.8KG

Nominal Take-Off Weight - with Standard Flight Battery, Standard Payload

7 lbs / 3.1KG

Maximum Take-Off Weight

10 lbs / 4.5KG

1.4 Remote Pilot Station

Radio Controller Manufacture

Union Robotics

Radio Controller Model

URDL-1004

Radio Controller Frequency

2.4GHz

1.4.1 Function Controls Layout

1.4.2 Command and Control Link

Telemetry Manufacture

Union Robotics

Telemetry Model

URDL-1004

Telemetry Frequency

2.4GHz

Telemetry Range

10km

1.5 Firmware | Software

​Firmware

Union Robotics AP

Firmware Build

v4.1

Software

Union Robotics/Solex

Software Build

v1.0.3

1.6.1 Abbreviations and Acronyms

LOS

Loss of Signal

sUAS

Small Unmanned Aircraft System includes all

components of the system required for the flight of

an unmanned aircraft, including the radio controller,

data link and other related support equipment.

UAV

Unmanned Aerial Vehicle includes all components of the system required for the flight of an unmanned aircraft, including the radio controller, data link and other related support equipment. ISA

ISA

International Standard Atmosphere in which:

The air is a dry, perfect gas;

The temperature at sea level is 15° Celsius (59° Fahrenheit);

The pressure at sea level is 1013.2 mbar (29.92 inches Hg);

The temperature gradient from sea level to the altitude at which the temperature is -56.5°C (-69.7°F) is -0.00198°C (-0.003564°F) per foot and zero above that altitude

MSL

Mean Sea Level is the average height above the surface of the sea for all stages of tide

AGL

Above Ground Level is the height of the aircraft above the ground

OAT

Outside Air Temperature is the free air static temperature surrounding the aircraft

RTL

Return-to-Launch The flight mode that allows the aircraft to optimally return to the point of take off, without feedback from the operator. Return-to-Launch is also known as Return-to-Land or Return-to-Home.

RPA

Remotely Piloted Aircraft

ASL

Above Sea Level Altitude

sUAS

Small Unmanned Autonomous System or Small Unmanned Aircraft System

HDOP

Horizontal Dilution of Precision

1.6.2 Definitions

Throttle Stick

The radio controller stick responsible for throttle control. For the Pilot controller, this is the vertical movement of the left control stick.

Yaw Stick

The radio controller stick responsible for yaw (also called pan) control. For the Pilot controller, this is the lateral movement of the left control stick. For the camera operator controller, this is the lateral movement of the right control stick.

Pitch Stick

The radio controller stick responsible for pitch control. For the Pilot and camera operator controllers, this is the vertical movement of the right stick.

Roll Stick

The radio controller stick responsible for roll control. For the Pilot controller, this is the lateral movement of the right control stick.

Pitch/Roll Stick

The radio control stick responsible for both pitch and roll control. For the Pilot controller, this is the right stick.

Throttle/Yaw Stick

The radio control stick responsible for both throttle and yaw control. For the Pilot controller, this is the left stick.

Hook Release Switch

The radio control switch responsible for releasing the cargo hook control.

Flight Mode Switch

The radio control switch responsible for the flight mode control. For the Pilot controller, the flight mode switch controls both Loiter and Return-to-Launch.

Loiter

The flight mode that allows the aircraft to optimally hold its altitude and lateral position.

Pressure Altitude

Altitude measured from standard sea level pressure (1013.2 mbar, 29.92 in. Hg) by a pressure or barometric altimeter

It is the indicated pressure altitude corrected for position and instrument error. In this Manual, altimeter instrument errors are assumed to be zero

Maximum Continuous Power Output

The maximum typical power output of a motor averaged over the entire flight

Maximum Instantaneous Peak Power Output

The maximum power output of a motor during any phase of flight, such as when maneuvering

Maximum Takeoff Weight (MTOW)

Maximum allowable weight at liftoff

Standard Empty Weight

Weight of a standard aircraft

Basic Empty Weight

Standard empty weight plus optional equipment

Useful Load

Difference between take off weight and basic empty weight

Payload

Useful load less battery weight

Last updated 3 years ago

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