Measuring and testing – Ordnance and projectile
Patent
1988-06-20
1988-12-06
Jordan, Charles T.
Measuring and testing
Ordnance and projectile
7386265, G01L 514, G01L 122
Patent
active
H00005509
ABSTRACT:
Apparatus for sensing and measuring axial force and torsional force exerted n a spool of fiber optic datalink filament as the filament is drawn off the spool at rates of speeds comparable to that experienced in the flight of a missile. The apparatus includes support means for supporting the spool, which includes an elongated shaft mounted on a plurality of elongated supporting members. Each of the supporting members has a first flex portion of reduced thickness which permits the support member to flex along the longitudinal axis of the support shaft and a second flex portion of reduced thickness which permits the support member to flex transversely of the longitudinal axis of the support shaft. Strain sensor bridges are used to convert the flexing of the flexed portions into electrical signals which are accumulated in a microprocessor and converted to signals to indicate the axial and torsional forces exerted on the spool during the pay out of the filament from the spool. The testing apparatus includes means for withdrawing filament from the spool at rates comparable to that experienced during the flight of a missile.
Hester Troy L.
Overstreet C. Denise
Bush Freddie M.
Garner Howard G.
Jordan Charles T.
The United States of America as represented by the Secretary of
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