cogs-and-gears

4 года назад

The video explores the inner workings of different types of watches, comparing a quartz watch, a digital watch, and a traditional mechanical watch. It then delves into the concept of cogwheels, explaining how they work and how they are used in various machines, including bicycles, hand drills, music boxes, and clockwork toys.

3 года назад

This video demonstrates a simple and effective method for creating a large gear cog using a bike rim and expanding foam. The creator explains the process step-by-step, including how to prepare the rim, apply the foam, and trim the excess. The finished product is a sturdy and accurate gear that can be used in various projects.