AlfaRC Fi-115 2.5-Inch Toothpick Frame Kit for DJI O4 Air Unit

The AlfaRC Fi-115 is a 115 mm toothpick frame built to carry the DJI O4 Air Unit, giving 2.5-inch micro quads a digital HD feed on a frame that weighs about 25 g. It suits pilots building a light toothpick for park freestyle, indoor proximity flying or a compact HD cruiser.

Key features

• Purpose-made DJI O4 Air Unit mounting, with the camera held in soft TPU inserts to damp vibration
• Also takes a 14 mm nano analogue camera if you prefer an analogue setup
• 3K carbon fibre with a 3 mm bottom plate, 2 mm top plate and 1.5 mm side plates
• 25.5 x 25.5 mm flight-controller holes for whoop-style AIO boards
• Runs 65 mm (2.5-inch) props on 2–6S LiPo packs of 300–850 mAh

Specifications

• Wheelbase: 115 mm
• Propeller size: 65 mm (2.5 inch)
• Material: 3K carbon fibre
• Plate thickness: 3 mm bottom, 2 mm top, 1.5 mm sides
• Stack height: 24 mm
• FC mounting: 25.5 x 25.5 mm
• Motor mounting: 9 mm, M2 screws
• Camera: DJI O4 or 14 mm nano
• Battery: 2–6S LiPo, 300–850 mAh
• Frame weight: 25 g

The kit is the frame only: add an AIO flight controller, micro motors on a 9 mm pattern, the O4 Air Unit and 65 mm props to complete the build.