And then you see something like an infinitely variable transmission built from nested pulleys ... s cleverly named Inception Drive, allows the motor to stay at peak efficiency while smoothly ...

which drives a smaller pulley, and through a shaft another set of pulleys to the drone motor. The bracket to hold all this and the very large pulley on the wheel are all 3D printed in PLA-carbon f ...

derived from the system it developed for its flagship RG-1 Reference Motor Drive. The platter is driven via a precision machined aluminium alloy pulley and silicon rubber drive belt, and there's ...