NASA NTRS · 19710000259
Thermal heliotrope - A passive sun-tracker
Abstract
Continuous sun tracking device consists of helical bimetallic coil and control mechanism. Coil produces torque and angular displacement with temperature change, and acts as device's driving element. Control mechanism, concentric shading mechanism containing bimetallic sensor coil, controls tracking rate and provides for reset cycle.
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Byxbee, R. C.. 1971-07-01. Thermal heliotrope - A passive sun-tracker. https://ntrs.nasa.gov/citations/19710000259
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