James,If you've read anything of what I've written you'll know I talking about increasing the launch speed. It's almost like your being deliberately obtuse to avoid discussing the main issues.
I am sorry that my "corrections" have seemed obtuse to you, but bare in mind I can only respond to what you say, not what you mean.
change:
to "but surely it's obvious that the greater the fly-leg velocity then the greater the rate of change?" I would have agreed with you, because the change in the momentum depends on the Vfly.^2/4.but surely it's obvious that the greater the fly-leg momentum then the greater the rate of change?
As to the main issue I hope you agree that its is the force the results from the change in the momentum as the loop propagates that is of interest, not the magnitude of the momentum itself. As you know the magnitude of the momentum does not have anything to do with forces, but the change in the momentum does.
Gordy