This robot uses 42mm motors. The default configuration has a top speed of 319 feet per minute and a payload up to 35 lbs. With different configurations, speed can range from 123 to 628 feet per minute and payload can range from 10 to 80 lbs.
The Spektrum AR620 air receiver is a full-range, 6-channel sport receiver with DSMX/DSM2 compatibility and a compact footprint that’s streamlined to fit in a wide range of models. Great for Robots too!