This computer generated animation shows how the wings will move in irregular waves.

When a plate gets near the movement limit means should slow down the plate. For this purpose the hydraulic pressure in the pump is raised at the end of the travel making the pump self centering.
The pipe bore does not have to be very big to transport a lot of energy if a high feed pressure is used. The maximum capacity of the system can easily be calculated from the diameter of the pipe and simple flow calculations.