Helicopter blade tracking system
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United States of America Patent
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-
Sep 23, 1997
Grant Date -
N/A
app pub date -
Aug 2, 1993
filing date -
Aug 2, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A helicopter blade tracking system including an apparatus and method having a self-contained light unit on each blade; each light unit being of similar construction and matched in size and weight. Rings of light formed by the light units during blade rotation are observed by the operator during hover and blade angular position is changed to bring the rings of light into one multi-colored ring of light.
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Cited Art Landscape
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