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VTAS Roll Pitch Helmet Fixture | Head Tracker Accuracy Test Station | Air Bearing Nonmagnetic Flight Simulator
Solar Energy Research | Environmentally Controlled Portable Astronomical Observatory

VTAS Roll Pitch Helmet Fixture

Designed for the Armstrong Laboratory, Wright Patterson Air Force Base, this Visual Target Acquisition System (VTAS) fixture provides two coincident axes of helmet rotation about a simulated tragion (top of the spinal column).

Roll Pitch Helmet Fixture: Photo 1

Three-point kinematic couples employed in this device have given arc-minute pitch-and-roll data, free of play or hysteresis, for over 20 years (below and right).

Roll Pitch Helmet Fixture: Photo 2 		Roll Pitch Helmet Fixture: Photo 3

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