| 摘要 |
Stabilized ballistic projectiles of the explosive type (e.g. artillery and mortar shells, bombs) are described including a plurality of stabilizing fins symmetrically arranged around the nose of the projectile well forward of its center of mass and pivotable on axes at right angles to the projectile axis, the leading edge of each fin, and the pivot axis of each fin, being located with respect to the foremost point of the projectile, inclusive of its stabilizing fins, a distance which is substantially less than the length of the fin.
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