AlfaRC Fi-150 EVO 3.5-Inch Frame Kit for DJI O3 Air Unit

The AlfaRC Fi-150 EVO is a 3.5-inch frame for the DJI O3 Air Unit, with a 152 mm wheelbase and a 61 g 3K carbon fibre build. It suits racing and freestyle pilots who want more prop and battery than a 3-inch while keeping HD digital video, an ELRS receiver and a GPS module on board.

Key features

• Mounts the DJI O3 Air Unit; the 20 mm camera mount also suits Caddx Nebula-series digital cameras
• Three flight-controller patterns: 20 x 20, 25.5 x 25.5 and 26.5 x 26.5 mm
• 9 x 9 and 12 x 12 mm motor patterns for 1306, 1404 and 1506-size motors
• Dedicated 19 x 20 mm GPS bay sized for a BN180 module
• 28 mm interior height, 3 mm bottom plate, 2 mm top plate and 1.5 mm side plates

Specifications

• Wheelbase: 152 mm
• Propeller size: 3.5 inch
• Material: 3K carbon fibre
• Plate thickness: 3 mm bottom, 2 mm top, 1.5 mm sides
• Interior height: 28 mm
• FC mounting: 20 x 20, 25.5 x 25.5, 26.5 x 26.5 mm
• Motor mounting: 9 x 9 / 12 x 12 mm
• Camera: 20 mm (DJI O3)
• GPS bay: 19 x 20 mm
• Frame weight: 61 g

Motors, flight controller, air unit and props are sold separately; the frame takes 1306 to 1506 motors on either motor pattern.