Projectile with steerable fins and control method of the fins of such a projectile
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United States of America Patent
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Mar 29, 2016
Grant Date -
Mar 6, 2014
app pub date -
Aug 29, 2013
filing date -
Aug 31, 2012
priority date (Note) -
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Abstract
The invention relates to a steering method of a projectile and to the associated projectile with incidence steerable fins, comprising at least three fins, each being pivotable with respect to the projectile around a pivot axis perpendicular to the longitudinal axis X of the projectile, wherein the projectile comprises a fin orientation ring, the ring comprising as many arms as there are fins, wherein the ring can translate in a plan P perpendicular to the longitudinal axis X of the projectile and following at least two directions of this plan P, wherein the orientation ring can rotate on itself around its center parallel to the longitudinal axis X of the projectile, each arm comprising means cooperating with an orientation lever fixed to a fin to be able to pivot the fin around its pivot axis during translation of the ring by positioning means.
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