Spedix S250AQ

The Spedix S250 is a asymmetric racing quadcopter perfectly suited for the Pixracer autopilot.

Hardware

The hardware required for this build is displayed below.

Mounting and Wiring

Connect GPS and the Wifi module as shown in the Pixracer instructions.

Connect the motors in the layout and order defined in the Airframe Reference, and as reproduced below.

Common Outputs
MAIN1: motor1 (front right: CCW) MAIN2: motor2 (back left: CCW) MAIN3: motor3 (front left: CW) MAIN4: motor4 (back right: CW) MAIN5: feed-through of RC AUX1 channel MAIN6: feed-through of RC AUX2 channel

Airframe Configuration

Select the Quadrotor asymmetric Spedix S250AQ configuration as shown below. This will not only put PX4 into quadrotor mode, but also load decent default tuning gains.