the frenchman nicolas jozecue created a wagon with a steam engine and propulsion .echanism was located in front of the wheels ; during demonstration tests. miracle wagon lost control crashed into a wall exploded after such a failure of the invention stopped the steam cart today can be seen in the museum of art in paris to that's because of this little gear you're not going anywhere, they're officially changing. only the entire throttle assembly. yes but it's expensive, but can you save it like this part? you can just print. first to draw a 3d model of the part, the easiest way is to download ready-made ones on the internet, if you can’t find this, then the geometry of the part can be removed using a 3d scanner or such a tomograph. ready to draw yourself, you can do whatever you want logo main road such a 3d puzzle of letters is inserted at the base. everything, only the main thing is not to make a mistake with the sizes in the process of tomography, pores and defects were found, which can lead to the destruction of the gear during operation. these are the pores for