John Hartman wrote: > > Let's say we have an action with a wip spring. > it is set up so there is a balance weight of 45 gm when the spring is > not attached. When the spring is attached the balance weight goes down > to 35 gm. The force that just begins to move the key will be: > > 45*980gm/sec^2 - 10*908gm/sec^2 Grams per second squared ?? Not exactly sure what you are saying here... beyond the fact that the existing BW (plus a hair) represents the flip side of the force needed to get things moving. Would you clarify this a bit please ? > > After this force is applied to the key any additional force used to move > the action will answer to the the inertia of the rotating parts > (assuming there is no friction or other factors). Yep > > John Hartman RPT > RicB
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