I will say, however, that at Rescue School 2003 in Columbia, SC, we used an A-Frame in the pouring rain to lift 4800 pounds and at no time did the poles dig any deeper into the ground than the ...

The system that we will be constructing then, will be a very simple (read: small) gantry using 16-foot 4x4s to lift a load of up to 3000 pounds. Frame (2) timbers, 4x4, 16-foot length ...