Because the flight simulator motion base has a limited range of motion, it is not possible to exactly reproduce the angular velocities and specific forces experienced in the aircraft. Hence, motion generation algorithms (washout filter) have been developed to generate the best motion commands within the constraints of motion systems. The purpose of this thesis is to analyze the simulation realism that can be achieved using alternative motion base mechanisms, with only three degrees of freedom. It is conjectured that this reduced motion capability might provide a cheaper alternative to existing designs while still producing good quality motion simulation for large traort aircraft. The three-degrees-of-freedom motion bases investigated were a motion base capable of Heave, Pitch, and Roll motions.
