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Frictional roll control apparatus for a spinning projectile

  • US 7,412,930 B2
  • Filed: 09/30/2004
  • Issued: 08/19/2008
  • Est. Priority Date: 09/30/2004
  • Status: Active Grant
First Claim
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1. A spinning projectile having a roll axis, comprising:

  • a front section rotatable about the roll axis;

    a rear section rotatable about the roll axis, the rear section rotatably attached to the front section;

    an aerosurface attached to the front section and adapted to create a first rotational torque counter to a spin of the rear section; and

    a roll damping apparatus including;

    a first portion attached to the front section,a second portion attached to the rear section,wherein the first portion is adapted to cause a frictional force to act on the second portion, the frictional force being effective to control a spin rate of the front section relative to the rear section.

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