GUIDED PROJECTILE Russian patent published in 2006 - IPC F42B15/00 

FIELD: armament.

SUBSTANCE: the roll stabilized guided projectile of a canard configuration has a cylindrical body, cruise engine, aerodynamic control devices and a fin folding to the lateral surface of the missile body trailing edge bent in the span of the low ratio rectangular cantilevers. A chamfer at an angle of 50 to 60 deg is made on the front edge of the fin cantilever near the tip chord at a distance of 0.55 to 0.65 of the cantilever span from the board chord. The ratio of the tip and board chords makes up 0.40 to 0.50.

EFFECT: enhanced efficiency of projectile control.

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