[Jeff]

HK wrote-: "Over-Acceleration is the menace that stalks all Lag and Drag. Here it allows the Hands to reach maximum speed before reaching Impact and so dissipates the Lag. So the length of the Stroke and the amount of Thrust should be adjusted and balanced to produce a "High Thrust-Low Speed" Impact - "heavy" rather than "quick". "

I don't really understand the concept of a "heavy hit" in a swinger's action.

Here is a link to a golfer performing a left arm swing.

This is presumably drag loading at its purest. Does he have a "heavy hit"? What would a swinger need to do in order to have a "heavy hit" if PA#2 releases passively/automatically according to the principle of the endless belt?

Jeff.