This brilliant invention has been around since Archimedes. It remains a valuable mechanism for mechanical power transmission. We have a look at a workhorse of industry for the past two centuries, the Radicon speed reducer. I'll also have a stab at explaining multi start threads and why they are simply brilliant! ✪► www.etsy.com/ca/listing/464202928/one-rule-to-ruler-them-all-cheeky-jokes ◄✪ ✪► https://www.Patreon.com/AvE ◄✪