GEARS - The Secret Life of Components, a series of guides for makers and designers - 18

I think this will be my final episode of The Secret Life of Components. Otherwise I would repeat myself or waffle about parts I don't have enough experience of myself. More information about the video, more episodes to watch and to donate visit https://www.timhunkin.com_a241_component-videos.htm Chapter List: 00:00 - Start 02:40 - Gear ratios 09:28 - Tooth size and shape 13:37 - Buying gears 15:52 - Using gears 22:31 - Backlash 25:13 - Making gears 28:19 - Pin and rack gears 29:53 - Worm gears 35:50 - Planetary gears 39:11 - Bevel gears 41:02 - Helical gears 43:04 - Differential gears 47:57 - Non-circular gears