Alta Pro Specs
Dimensions
| Unfolded Diameter (does not include Props) | 1325 mm |
| Folded Diameter (does not include Props) | 660 mm |
| Height to base of Toad In The Hole (TITH) | 263 mm |
Weight
| Maximum Gross for Takeoff | 18.1 kg (40.0 lbs) |
| Maximum Useful Load | 12.0 kg (26.4 lbs) |
| Maximum Payload | 9.1 kg (20.0 lbs) |
| Typical Standard Empty Weight | 6.2 kg (13.6 lbs) |
Powerplant
| Number of Motors | 8 |
| Motor Type | Direct Drive 3-Phase PMAC Outrunner |
| Motor Make and Model | Freefly F45 |
| Motor Max Continuous Power Output | 350 W |
| Motor Max Instantaneous Peak Power Output | 950 W |
| Maximum RPM (flat rated) | 6300 RPM |
| Equivalent Kv | 384 |
| Electronic Speed Controller | Freefly Silent-Drive Sine Wave ESC |
Powerplant Limitations
| Maximum RPM | 6300 RPM |
| Maximum Battery Voltage | 25.2 Volts |
| Minimum Average Battery Voltage | 19.2 Volts |
Propellers
| Make and Model | Freefly Alta Propeller |
| Material | Carbon fiber with balsa core |
| Propeller Orientation | (4) CW and (4) CCW Props - Alta Pro 8 |
| Propeller Type | 18 × 6 Folding |
Flight Controller
| Autopilot Name | PX4 |
| Flight Modes | Manual, Height Mode, Position Mode, Return-to-Land (RTH), Autoland, Waypoint Mission mode |
| Supported Inputs | DSMX, DSM2, S.Bus, S.Bus2 |
| Supported Radios | Futaba S.Bus & S.Bus2, DSMX, DSM2 (Spektrum/JR) |
| Supported Radio Controller Telemetry Systems | Futaba w/ built-in voltage sense port |
| Minimum Radio Controller Channels Required | 5 |
| Supported GNSS | GPS, GLONASS, Galileo |
| Supported Satellite-based Augmentation System | QZSS, WAAS, EGNOS, MSAS |
| First-Person View System Video Formats | NTSC, PAL |
| Supported First-Person View Transmitters | Skyzone, BOSCAM, ImmersionRC, Fat Shark |
| Supported First-Person View Cameras | Ready Made RC RMRC-700XVN (Recommended), Runcam Eagle 2 Pro, or similar |
| First-Person View OSD Telemetry | User Configurable |
| Installed Transceivers | RFD900/868X Long Range Telemetry System Wi-Fi 2.4 GHz b/g/n |
| Default Data Logging Rate | 25Hz |
Battery
| Nominal Battery Voltage | 6S / 22.2V |
| Maximum Battery Size (GroundView) | 40 × 175 × 80 mm |
| Maximum Battery Size (SkyView) | 220 x 156 x 64 mm |
| Maximum Battery Quantity | 2 Battery Packs (Parallel) |
| Minimum Battery Quantity | 2 Battery Packs (Parallel) |
| Battery Connectors | 2× EC5 (Parallel) |
| Required Minimum Battery Discharge Rating (Per Pack) | 250A / 500A Peak |
Flight Controller Limits
| Maximum Pitch/Roll Angle | 45° |
| Maximum Yaw Rate | 150° / second |
Isolation System
| Vibration Isolation System | O-Rings |
| Option 1: Soft / Light Payloads | Red O-Rings |
| Option 2: Medium / Medium Payloads | Teal O-Rings |
| Option 3: Stiff / Heavy Payloads | Black O-Rings |
Specific Loadings
| Typical Specific Power | 145 W/kg |
| Thrust Ratio at MTOW1 | 1.85 : 1 |
Lighting & Indication
| Status Light | 1 Watt Red, 1 Watt White LED |
| FPV Ability | FPV SD with OSD overlay |
| Orientation Lights | 3-Watt RGB LED |
| Orientation Light Color Options | Off, Red, Orange, Yellow, Green, Blue, Cyan, Purple, White |
External Systems Mounting
| Mounting Locations | FPV Transmitter Mount GPS Mount Telemetry Radio Mount |
| Mounting System | Freefly Toad In The Hole (TITH) Quick Release Dimensions / Drawing |
| FPV Camera Mount | Between Booms 1 & 8 - Alta Pro 8 |
| FPV Transmitter Mount | Boom 2 - Alta Pro 8 |
| GPS Mount | Boom 7 - Alta Pro 8 |
| Telemetry Radio Mount | Boom 3 - Alta Pro 8 |
Environmental Limitations
Do not fly Alta Pro in temperatures exceeding 45ºC (113ºF) or below -20ºC(-4ºF).