The scar measured 6.8 miles long and spanned between 525 and 820 feet wide. It had “cycloidal marks,” or a chain of dark loops created by the tornado’s suction vortexes. Based on their ...

Realizing that it’s essentially a cycloidal drive meshed with a planetary gear set, he got to work in CAD and, in seemingly no time, had a design to test. You can see the full results of his ...

A cycloidal gear drive is one of the most mesmerizing reduction gears to watch when it is running, but it’s not all just eye-candy. Cycloidals give decent gearing, are relatively compact and ...