> Vince wrote: > > >>Don, how will the speed of the hammer increase by merely decreasing > the knuckle size? It doesn't do anything to change the leverage.<< > > > Draw and arc, centered on the hammer shank center pin and intersecting > the jack / knuckle contact point. Now reduce the knuckle size 2mm and > draw another arc. The radius will have decreased a little with the > smaller knuckle. This is where the leverage change comes from. Don, You are right. Thanks for the clarification. But practically, isn't it approaching negligibility? --- Vince Mrykalo rpt ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ... if you shall seem to some to be a person of importance, distrust yourself. -Epictetus ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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