Motion of a Rocket During the Burning Period
ARMY BALLISTIC RESEARCH LAB ABERDEEN PROVING GROUND MD
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In the report the general equations of motion of a rocket are developed. These equations are then applied to a rocket which is subjected to an eccentric propelling force, one of the principal causes of inaccuracy in rocket firings. The equations are first specialized for the vacuum case of the non- rotating rocket. The results for this case are compared with those for a rotating rocket moving in a vacuum. A formula for the angular velocity necessary to reduce dispersion is GIVEN. Finally, aerodynamic forces are considered and expressions for the yaw, angle of deviation and deflection are set down.