WORM DRIVE-

All about engine: the major thing is the worm teeth are made on the pinion gear, in this type, and the daigonal teeth are made on the crown wheel or in the bivel circular bark, and maybe it is possible to make the crown wheel from branz metal, and for that the sound coms slow during rotating the crown wheel, and the pinion gear it happens to mesh with crown wheel in from below side or in the head side , and this type drive line does use for heavy vehicle or in the more wheel vehicle, like for give drive in the more wheel by one side, as well this type drive does use in the heavy vehicle like military army's vehicle, you can see there, and the worm drive can work smoothly by heavy weight, thank you I goons show you the pic of worm drive