We recommend using the M5 steel mounting screw to mount IG52 motors. We use these in our Custom Length IG52 SB Robot platform when we mount the motor to a 1/8" thick plate.
Ultrasonic Module HC-SR04 Distance Measuring Transducer Sensor.
The DXe is the affordable way to equip your sport plane or trainer with the speed, and reliability of DSMX control. Of course it works great for robots too!