Guidance and control fin

Details Guidance and control fin Guidance and control fin

1975-12-16

1990-07-17

Jordan, Charles T.

Aeronautics and astronautics

Missile stabilization or trajectory control

Automatic guidance

244 324, F42B 1064

Patent

active

049416278

ABSTRACT:
A hollow fin of rhombical cross-section constructed of Nitinol or other memory effect alloy and mounted for oscillation about an internal shaft. The memory effect alloy has been previously stretched at a temperature below its critical transition temperature whereby heating of one pair of opposite sides, in a rhombic sense, above the critical transition temperature by resistive dissipation of an electric current will cause shortening of this pair of sides and consequent change in the angle of attack.

REFERENCES:
patent: 3153203 (1964-06-01), Halsted
patent: 3403238 (1968-09-01), Buchler et al.
Jackson, C. M. et al., "55-Nitinol--The Alloy With a Memory: Its Physical tallurgy, Properties, and Applications." NASA-SP 5110, 1972.

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