BOOMERANG Russian patent published in 1996 - IPC

Abstract RU 2057562 C1

FIELD: sports; medical engineering. SUBSTANCE: device has central portion carrying diametrically opposite blades having streamline shape in cross-section with concave regions on the bases. Each pair of the diametrically opposite blades has concave regions of different length. EFFECT: reduced aerodynamic resistance; enhanced accuracy in coming back to the start point. 8 dwg

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RU 2 057 562 C1

Authors

Moshin Vladimir Mikhajlovich

Dates

1996-04-10—Published

1992-11-08—Filed