There is a point were they might
> have been able to bring the 80 ton stone to a momentary
> weightlessness just at the moment pulling,..giving the stone
> the momentum to start moving and detaching it from its
> gravitational weight on the ground surface.
I've been toying with the idea that the ascenders which rode straight up the side were reduced in weight by being in water. The bouyancy of the water would reduce their weight another 35 or 40%