3x3 COMPARISON CHART

	PULLEYS	GEARS	HINGE
ARC	A PULLEY SYSTEM CAN WORK WELL BECAUSE OF THE ROTATION AND ELEVATION	GEARS WOULD WORK WELL	CANT WORK, NOTHING TO PLACE A HINGE ON
TRUSS	CAN HAVE PROBLEMS HOOKING THEM ON TO THE TRUSS MEMBERS	CAN WORK IF PLACED IN THE RIGHT AREAS	CAN GET A BIT COMPLICATION BECAUSE OF ALL THE TRUSS MEMEBERS
DRAW BRIDGE	WORKS GREAT. BEST SOLUTION	WORKS, IF ATTACHED TO SOME KIND OF PULLEY SYSTEM	WOULD NOT WORK PROPERLY