250 pod-racer

thingiverse

This design puts all delicate electronics inside the frames enclosed interior top plate - FC mounting holes for all common sized FC (Naze, KK2 etc), battery strap points for 3s/4s battery. The middle enclosure has space for 4x ESC & PDB or 4in1 ESC (QBrain etc). The lower plate has space for Receiver (side plug versions only), VTX, simpleOSD/MinimOSD, Battery alarm with visual holes in the bottom for low voltage buzzer. A balance plug extension is required. There are mounting points for a standard 600-700 Sony TVL cam tilted at 25° and an XT60 plug and VTX aerial connection with a small extension cable. The design has motor mount holes for common 250 race sized motors (1806's etc) and a maximum prop size of 5". The maximum battery capacity is 3s 2200mah or 4s 1400mah. To assemble this frame, you will need the following hardware: 10x M2x20 bolts, 10x M2x10 bolts, balance plug extension (15-20cm), and VTX aerial extension cable (10cm). Update on July 29, 2016: The frame size is exactly 250 (center to center motor), with a motor size of 22mm-27mm, prop size of 4"-5", and a fully assembled weight of 190g. A tested configuration includes the CC3D Nano flight controller, Emax MT1806 2280kv motors, Emax Simon series 12a ESCs, 5045 "indestructible" props, 1000Tvl IR-cut cam, Boscam TS353 TVX, and Turnigy 1400Mah 4s battery. Results show stable flight on stock PID settings with acro characteristics and a heavy flight time of 7 minutes or light flight time of 10 minutes.