SpeedyBee Bee35 O4P 3.5 Inch Cinewhoop Frame Kit

The SpeedyBee Bee35 O4P is the DJI O4 Pro version of SpeedyBee's 3.5-inch ducted cinewhoop frame kit, with a camera head and carbon-fibre bottom plate shaped for the O4 Pro air unit. It suits pilots building a compact HD cinewhoop for smooth close-proximity filming indoors and outdoors.

Key features

• 153 mm wheelbase with ducts for 90 mm (3.5-inch) propellers
• 3.5 mm top plate and 2 mm bottom plate; the frame weighs 138 g
• Flight-stack holes for 20x20, 25.5x25.5 and 30.5x30.5 mm boards, so mini and full-size stacks both fit
• 12 x 12 mm motor mounts for 1806, 2004 and 2006 motors
• 19/20 mm camera mounting width

Specifications

• Prop size: 3.5 in (90 mm)
• Wheelbase: 153 mm
• Frame weight: 138 g
• Top plate: 3.5 mm
• Bottom plate: 2 mm
• Motor mount holes: 12 x 12 mm
• Flight stack mounting: 20x20 / 25.5x25.5 / 30.5x30.5 mm
• VTX mounting: 20x20 / 25.5x25.5 mm
• Camera mounting width: 19/20 mm
• Recommended motors: 1806 / 2004 / 2006
• Recommended KV: 2500-3500KV on 4S, 1800-2300KV on 6S
• Recommended battery: 900-1500 mAh, 4S or 6S

Build it around a DJI O4 Pro air unit, then choose motor KV by cell count: 2500-3500KV for 4S packs or 1800-2300KV for 6S, with a 900-1500 mAh battery. Motors, flight stack and air unit are sold separately.