Abstract: Gyroscopic precession is the result of angular velocity of rotation and angular velocity produced by torque which acted upon by vector force of gravity will cause precession. The resulting precessional vector force at right angle to torque is currently well understood, though not understood how this precession vector can be modified by right angle to produce the same force as a directed vector force; how angular momentum could be made directional. Inventor shows in principle how this Earth gravity G-force is re-directed using gyroscopic action housed within a larger apparatus, when whole apparatus is spun in either direction, whereby the angular momentum is transferred along the axis of spin. The result is a directional force caused by acceleration of spin of whole apparatus, which may be a usable force in future propulsion systems.

Abstract: Stuck well pipe is removed from a well bore by applying an upward pull to the stuck pipe while applying an upward jarring action to the pipe by an air hammer which applies rapid blows to a linkage mechanism connected to the pipe.