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A Man Noticed a Strange Shape on the Ground on Google Earth. It Turned Out to Be the Mark of an Undetected Tornado
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 ...
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Satellite imagery identifies mysterious marking in the Australian outback — here's what scientists say caused it
"Based on the scar's dimensions and the pattern of cycloidal marks, the tornado's strength is estimated to be within the F2 or even F3 category on the Fujita scale, with wind speeds likely ...
Hackaday3y
Do You Need A Cycloidal Drive?
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 ...
Hackaday2y
Radial Vector Reducer Rotates At Really Relaxed Velocity
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 ...