Sword Cross Sections

August 5, 2020 Sean Franklin 0

In my previous article, “Do Fullers Make Feders Take a Set?”, I promised you that I would take some data on production swords and back up the theory with data. I still haven’t done it, but I do have some measurements of the sharps around my apartment.

Degrees of Freedom

January 22, 2020 Sean Franklin 0

A degree of freedom is the number of directions in which something is free to move. You may be thinking of the three directions, but in this case you would be thinking wrong. The maximum number of degrees of freedom of a rigid body is six.

It’s Not “All in the Hips”

September 18, 2019 Sean Franklin 0

A colloquialism associated with generating power is “it’s all in the hips”, but this is a little bit misleading, as the hips themselves aren’t really the source of the power.