The Tower Initial Drawings

 side view plan of stabilizing shaft for rod
 Mechanism with fan and wooden block
 Plan looking down on stabalizing shaft for rod and where it is fixed to the sides of the tower

 Wooden block attached to rod
 Tower with wooden clapboard, low entrance and wind powered fan
end support for rod attached to the sides of the towers. Bearings at the bottom of therod for smooth movement

Overall sketch of mechanism- Wind powered blades attached to rod which in turn the striker is attached to from the side. The rod rests in a groove with bearings to keep it turning smoothly. You can see the horizontal supports in which the rod is guided through also.