UAV "Sentry"

Tech Specs
"Sentry" X4 Helicopter
Handheld Controller
Camera Specifications
Portability
Charging System
Mini Base Station
Base Station
Dragan View Lite Software
Tool Kit
"Sentry" X4 Helicopter Tech Specs
X4 Tech Specs
Helicopter Size
Dimensions
(standard configuration)
o Width: 64.5 cm (25.4in)
o Length: 64.5 cm (25.4in)
o Top Diameter: 78.5 cm (30.9in)
o Height: 21 cm (8.3in)
Dimensions
(Without Rotors)
o Width: 36 cm (14.1in)
o Length: 36 cm (14.1in)
o Top Diameter: 51 cm (20in)
o Height: 21 cm (8.3in)
Dimensions
(without rotor blades or landing gear)
o Width 36 cm (14 in)
o Length: 36 cm (14 in)
o Top Diameter: 51 cm (3 in)
o Height: 7.5 cm (3 in)
Helicopter Size
RF Communications
2.4GHz Data Link
o Link Type: Helicopter to Ground & Ground to Helicopter (Two-Way)
o Helicopter Antenna: Wired Whip Antenna
o Controller Antenna: Omni-Directional
o RF Data Rate: 250kbps
o Receiver sensitivity: -100dBm
o Transmission Technique: DSSS (Direct Sequence Spread Spectrum)
o Frequency band: 2.4000 - 2.4835 GHz
o Certifications: CE, FCC, IC, ETSI
o Data Link Channel Selection: Automatic (13 Channels)
5.8GHz Video Link
o Link Type: Helicopter to Ground (One-Way)
o Transmitter Antenna: Omni-Directional
o Receiver Antennas: Omni-Directional & Flat Patch
o Transmission Power: 12dBm
o Transmitter Power Consumption: 500mW
o NTSC and PAL Compatible
o 7 Selectable Channels: 5740MHz, 5760MHz, 5780MHz, 5800MHz, 5820MHz, 5840MHz, 5860MHz
7 Onboard Sensors
3 Solid State MEMS (Micro-Electro-Mechanical Systems) Gyros
3 Solid State MEMS (Micro-Electro-Mechanical Systems) Accelerometers
1 Barometric Pressure Sensor
Weight & Payload
Helicopter Weight (with battery): 2024 grams (71oz)
Payload Capability: 2000 grams (71 oz)
Maximum Gross Take-Off Weight: 4100 grams (144oz)
Rotor Blades
Rotor Blades
Four Counter Rotating Blades
Rotor Blade Material: Molded Carbon Fiber
Electric Motors
Brushless Electric Motors
Brushless Motors: 4
Configuration: Direct Drive (One Motor per Rotor)
Safety Features: Stall Protection
Ball Bearing: 2 per Motor
Rotor Mounting Points: Integrated
Voltage: 14.8V
Multiple Camera AttachmentsCamera Attachments
Panasonic DMC-FX580 12.1 MP (Mega-Pixel) Digital Still / Video Camera with Remote Controlled Tilt, Zoom & Shutter
FLIR (Forward Looking Infra Red) Tau Micro Infra Red Video Camera with built in DVR.
Watech 902 Low Light Video Camera with built In DVR.
Micro Analog Board Camera with built In DVR.
Position Navigation Lights
Number: 8, Two Per Motor Arm
Colors: 2 Red, 2 Blue, 2 White, and 2 Green
Type: 1 Watt LED Variable Brightness Emitters
Purpose: Helicopter Navigation and Orientation
Visible Range: Direct Sunlight to Full Darkness
Color Scheme:
o Front Left: Red
o Front Right: Green
o Rear Left: White
o Rear Right: Blue
Rechargeable Helicopter Battery
Lithium Polymer Battery
Cell Chemistry: Lithium Polymer
Voltage: 14.8V
Capacity: 1900mAh
Connectors: Integrated Balance and Power
Flight Time: Approximately 8 hours
Recharge Time: Approx. 4-6 hours (after typical flight)
Landing Gear
Landing Gear
Installed Height: 17cm (7in)
Stance Width: 26cm (12in)
Skid Length: 31cm (12in)
Landing Gear Material: Molded Carbon Fiber
Materials
Carbon Fiber
Glass Filled Injected Nylon
Aluminum & Stainless Steel Fasteners
RoHS Compliant
Operating Requirements
Recommended Pre-Use Temperature: 10° to 35°C (50° to 95°F)
Maximum Environmental Operating Temperature: -25° to 49°C (-13° to 121°F)
Relative Humidity: 0% to 90% Noncondensing
Maximum Windspeed Recommended for Novice Pilots: 16km/h (10mph)
Flight Data Recorder
Flight Data Recording: On-Board
Stored To: Removable 2Gb MicroSD Memory Card
Data Recorded: Onboard Sensor Flight Data (Link quality, Orientation, Altitude, Battery Voltage)