The invention discloses a two-stage separation type
projectile support for sub-
caliber launching of an unstable
projectile body. The two-stage separation type
projectile support comprises an outer projectile support body, a projectile
tail structure, an inner projectile support body and the projectile body. The
missile tail structure is driven to decelerate by using the backward opening resistance of the clamping petals, and the
missile tail structure is separated from a flying
missile body, so that the problem that the missile
tail structure with larger
mass cannot be separated can be solved; the inner
sabot slides backwards along the axis of the projectile body under the action of air resistance in the flying process, so that the flying stability of a combination formed by the inner
sabot and the projectile body is improved, target collision at a small attitude angle at a long distance can be achieved, and meanwhile, due to the fact that the flying distance is prolonged, the projectile
tail structure and the projectile body are separated more thoroughly; through the arrangement of the resistance table, the inner projectile support can be separated from the projectile body before collision and can also
impact the target body together with the projectile body; due to the fact that the inner projectile support can slide in the axial direction of the projectile body and is small in
mass, the penetration influence of the inner projectile support on the projectile body can be ignored.