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Originally Posted by kronckew
we should be using angular (rotational) momentum, the blades COP and the length from the COP (varies with weight movement) to the centrum (elbow or shoulder? depends on how you are cutting). reducing the radius increases the velocity but maintains angular momentum, which doesn't change unless acted on by an outside force.
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That is all well and good kronckew but the trials on the sliding weight sword somewhere in the North of England in the early 19thC came to a very abrupt conclusion; The sword was hollow and half filled with Mercury. The proving ground was on a small bridge over a brisk fast flowing stream...It is said that the swordsman was the local blacksmith who on giving the test weapon a hefty swing was instantly off balanced, the great sword throwing him over the parapet of the bridge into the water below.