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| Version | 4S, 6S |
|---|---|
| Frame Design | X-Frame |
| Size | 5" |
| Style | Freestyle |
| VTX | DJI O3 Air Unit |
| Weight | 405g |
The GEPRC MARK5 HD O3 is widely considered one of the best "Bind-and-Fly" (BNF) freestyle drones on the market. It was one of the first frames specifically redesigned to house the DJI O3 Air Unit, featuring a unique aluminum alloy camera cage that provides both crash protection and excellent heat dissipation.
Aero-Grade Aluminum Camera Cage: The MARK5 features a 7075-T6 aluminum alloy "head" that protects the DJI O3 camera. This design doesn't just look aggressive—it acts as a heat sink for the Air Unit and prevents the lens from being crushed during high-impact nose-dives.
Shock-Absorbing Structure: The frame utilizes an independent fixed-wing design with specialized damping to isolate the flight controller from motor vibrations. This results in a cleaner gyro signal, making it easier to achieve "buttery" footage using Gyroflow or RockSteady.
High-Torque SPEEDX2 Motors: Equipped with the latest SPEEDX2 2107.5 motors, this drone offers extreme power efficiency and thrust. The 6S version provides the explosive punch needed for advanced freestyle maneuvers while maintaining a smooth throttle curve.
Maintenance-Friendly Design: The "X-type" frame geometry features individual arms that can be replaced by removing only a few screws, ensuring you spend more time in the air and less time on the workbench.
Technical Specifications:
Wheelbase: 225mm
FC: SPAN F722-BT-HD V2 (Bluetooth support for mobile tuning)
ESC: SPAN G50A BLHeli_32 4-in-1
Motors: SPEEDX2 2107.5-1960KV (6S) / 2450KV (4S)
Video System: DJI O3 Air Unit
Propellers: HQProp Ethix S5 5×4×3
Weight: ~390g (without battery)
Receiver Options: ELRS 2.4G / TBS Nano RX / DJI (Internal)
The Pilot's Reality Check:
Bluetooth Tuning: The inclusion of the Bluetooth FC is a game-changer. You can adjust your PIDs or rates at the field using the SpeedyBee app on your phone without needing a laptop or USB cable.
Power Choice: For most pilots, the 6S version is the clear winner for freestyle. It offers much more consistent power throughout the flight and handles the weight of a GoPro (if you choose to add one) significantly better than the 4S variant.
1 * MARK5 HD O3 Quadcopter
4 * HQProp Ethix S5 Propellers (Pairs)
1 * Battery Strap (M15x250mm)
2 * Battery Straps (M20x220mm)
2 * Battery Silicone Pads
1 * Set of 3D Printed Parts (Antenna/GPS mounts)
2 * Action Camera Mount Bases
1 * Set of Screws & Hardware
1 * Screwdriver Set
1 * Antenna Fixed Tube
| Version | 4S, 6S |
|---|---|
| Signal | Digital |
| Frame Design | X-Frame |
| RX | DJI O3 Air Unit |
| Size | 5" |
| Style | Freestyle |
| VTX | DJI O3 Air Unit |
| Weight | 405g |