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ALTA 6 Specifications



Diameter 1126 mm
Height (to base of TITH) 220 mm


Diameter 550 mm
Height (to base of TITH) 220 mm


Number of Motors 6
Motor Type Direct Drive 3-Phase PMAC Outrunner
Motor Model F45
Motor Continuous Power Output 350 W
Motor Instantaneous Peak Power 950 W
Electronic Speed Controller Freefly Silent-Drive Sine Wave ESC


Material Carbon fiber with balsa core
Propeller Orientation (3) CW and (3) CCW Props
Propeller Type 18 x 6 Folding


Nominal Battery Voltage 6S / 22.2V
Maximum Battery Size 240 x 180 x 80 mm
Maximum Battery Quantity 2 Battery Packs (Parallel)
Battery Connectors 2x EC5 (Parallel)


Maximum Gross for Takeoff1 13.6 kg (30.0 lbs)
Maximum Useful Load2 9.1 kg (20.0 lbs)
Maximum Payload3 6.8 kg (15.0 lbs)
Typical Standard Empty Weight 4.5 kg (10.0 lbs)

Specific Loadings

Typical Specific Power4 145 W/kg
Thrust Ratio at Max Takeoff Weight1 1.85 : 1

Flight Controller

Model Name Freefly Synapse Flight Controller
Flight Modes Manual
Height Hold
Position Mode
Supported Inputs DSMX, DSM2, S.Bus, S.Bus 2, PPM, FPV SD Video
Supported Radios Futaba S.Bus & S.Bus 2
DSMX, DSM2 (Spektrum/JR)
PPM, PPM Invert, PPM Graupner
Supported Radio Controller Telemetry Systems Futaba w/ built-in voltage sense port
Supported First-Person View Transmitters
  • Skyzone
  • Immersion RC
  • Fatshark
First-Person View OSD Telemetry User Configurable
Installed Transceivers Wi-Fi
Data Logging Rate 25 Hz

Lighting and Indication

Orientation Lights 3 Watt RGB LEDs
Orientation Light Locations Outboard on Boom Ends
Orientation Light Color Red, Yellow, Blue, Green, White
Status Light Rear-Facing Red/White LED
Accessory Lighting Port 12 VDC
Accessory Lighting Port Location Outboard on Boom Ends

Isolation System

Vibration Isolation System Silicone O-Rings

Isolation System Options

1.Soft / Light Payloads Red O-Rings
2.Medium / Mid Payloads Teal O-Rings
3.Stiff / Heavy Payloads Black O-Rings

Payload Mounting

Mounting Locations Bottom and Top Mount
Mounting System Freefly Toad In The Hole Quick Release
  1. At sea level, standard conditions.
  2. Top and bottom mount. Includes batteries.
  3. Payload weight top or bottom mount. Battery weight not included and mounted on opposite side from payload in typical configurations.
  4. At maximum takeoff weight, sea level, standard conditions.