I made some improvements to my old design, and now it downshifts on its own when you put resistance on the output shaft, is more robust and is a more streamlined shape for easy integration into vehicles. Video:
A project i’ve been working on, a two speed auto tranny. A centrifugal governor switches between the gears; when the motor RPM is high enough, the governor expands and switches the gears, then when the motor RPM slows back down it downshifts. Video:
A fast, RC lego car powered by a RC motor and lipo and modeled after a porshe 911.
Based off of my savage chassis, this trial truck is based off of the iconic jeep willys. Powered by two rc motors and has flexible rock crawler suspension. Video: