| 摘要 |
A method an apparatus for inducing spin, or rotation, in a dispersed payload of a non-spin guided projectile is taught. Rifling is applied to a cylindrical surface of a projectile casing. The rifling engages a member on a payload, which may be a bulkhead, as the payload is expelled from the projectile casing. The rotation imparted to the payload causes the dispersed projectile, grenades in the preferred embodiment, to form a spiral pattern that provides a more uniform coverage of the target area as compared to the prior art.
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