the project is infield carrier.. this carrier connect to motorcyle..this carrier need to tip off by using gravity that make the user don't need to down from motorcycle. this connection play a role to make it success.. this carrier is fill with palm oil. the load inside carrier around 300kg. sorry my english not so good.. so i thought i want to join this conection by using hooke coupling n offset drive.. its better?? because i want to make this conection can follow the rythm of carrier n can twist around 90degree.. anyone can give suggestion??