A command to arm device, comprising: a hollow housing having a rounded leading end, an open trailing end, and a longitudinal axis of symmetry; a cylindrical upper housing disposed within said hollow main housing in concentric relation to said longitudinal axis of symmetry; said cylindrical upper housing having an open top and an open bottom; a lower housing disposed within said hollow main housing in concentric relation to said longitudinal axis of symmetry and having a flat bottom wall and a cylindrical sidewall mounted about the periphery of said flat bottom wall, projecting upwardly therefrom in supporting relation to said cylindrical upper housing; a centrally bored flywheel rotatably mounted about an axis of rotation, said axis of rotation being concentric with said longitudinal axis of symmetry; said flywheel having a center of gravity concentric with its axis of rotation; a timing post depending from a peripheral edge of said flywheel into said lower housing in eccentric relation to said longitudinal axis of symmetry; an actuator dome having a central aperture formed therein and having a peripheral edge that engages said upper housing; a firing pin slideably received in said central aperture of said actuator dome and in said central bore of said flywheel in coincidence with said longitudinal axis of symmetry; a zip rotor rotatably mounted about an axis of rotation, said zip rotor positioned atop said bottom wall of said lower housing; said zip rotor having a center of gravity eccentric to its axis of rotation; a detonator mounted in said zip rotor; said zip rotor having a first, unrotated safe position of repose where said detonator is misaligned with said firing pin characterized in that the device comprises a first spring for preventing said flywheel from rotating when centrifugal forces acting on said first spring are below a preselected threshold; and a second spring for holding said zip rotor against rotation in said safe position of repose; said second spring having a first radially outward end permanently secured to a cylindrical sidewall of said lower housing and a second radially inward end releasably engaged to said zip rotor; said timing post abutting said second end of said second spring and knocking said second end out if its releasable engagement with said zip rotor when said flywheel is rotated towards a second rotated armed position. a hollow housing having a rounded leading end, an open trailing end, and a longitudinal axis of symmetry; a cylindrical upper housing disposed within said hollow main housing in concentric relation to said longitudinal axis of symmetry; said cylindrical upper housing having an open top and an open bottom; a lower housing disposed within said hollow main housing in concentric relation to said longitudinal axis of symmetry and having a flat bottom wall and a cylindrical sidewall mounted about the periphery of said flat bottom wall, projecting upwardly therefrom in supporting relation to said cylindrical upper housing; a centrally bored flywheel rotatably mounted about an axis of rotation, said axis of rotation being concentric with said longitudinal axis of symmetry; said flywheel having a center of gravity concentric with its axis of rotation; a timing post depending from a peripheral edge of said flywheel into said lower housing in eccentric relation to said longitudinal axis of symmetry; an actuator dome having a central aperture formed therein and having a peripheral edge that engages said upper housing; a firing pin slideably received in said central aperture of said actuator dome and in said central bore of said flywheel in coincidence with said longitudinal axis of symmetry; a zip rotor rotatably mounted about an axis of rotation, said zip rotor positioned atop said bottom wall of said lower housing; said zip rotor having a center of gravity eccentric to its axis of rotation; a detonator mounted in said zip rotor; said zip rotor having a first, unrotated safe position of repose where said detonator is misaligned with said firing pin characterized in that the device comprises a first spring for preventing said flywheel from rotating when centrifugal forces acting on said first spring are below a preselected threshold; and a second spring for holding said zip rotor against rotation in said safe position of repose; said second spring having a first radially outward end permanently secured to a cylindrical sidewall of said lower housing and a second radially inward end releasably engaged to said zip rotor; said timing post abutting said second end of said second spring and knocking said second end out if its releasable engagement with said zip rotor when said flywheel is rotated towards a second rotated armed position.