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2 152 585

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IPC

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Application

99119826/02, 1999-09-13

(24)

Start date

1999-09-13

(22)

Actual filing date

1999-09-13

(45)

Published

2000-07-10

(72)

Inventor

Babichev V.I.Bal'Zamov I.A.Gusev E.A.Elesin V.P.Sotnikov V.A.

(73)

Holder

Gosudarstvennoe Unitarnoe Predprijatie Bjuro Priborostroenija"

ROLL-SPINNING PROJECTILE Russian patent published in 2000 - IPC

Abstract RU 2152585 C1

FIELD: artillery ammunition. SUBSTANCE: roll-spinning projectile has an ogival part of the body, control surfaces and a stabilizing device positioned on the ogival part before the control surfaces. The stabilizing device is made in the form of longitudinal ribs of the same length formed on the outer surface of the projectile body ogival part and uniformly distributed in circumference length. The front end of each rib is turned relative to the projectile longitudinal axis towards its spinning through an angle determined by the relation between the angular velocity of projectile spinning and its longitudinal velocity. The height of the ribs exceeds the thickness of the boundary layer providing for separation of flow in the plane of transverse flow around. EFFECT: prevented onset of sustained oscillations of spinning projectile and enhanced dynamic stability. 2 cl, 3 dwg

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RU 2 152 585 C1

Authors

Babichev V.I.

Bal'Zamov I.A.

Gusev E.A.

Elesin V.P.

Sotnikov V.A.

Dates

2000-07-10—Published

1999-09-13—Filed

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