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Proceedings Paper

A survey of enclosure suspension and rotation systems for 3-15m telescopes
Author(s): Bruce C. Bigelow; Nathan P. Loewen; Emile van Vuuren; William S. Burgett
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Paper Abstract

The suspension and rotation systems (typically called bogies) for Extremely Large Telescope (ELT) enclosures will carry structures that are 2-3 times greater in diameter and much heavier than enclosures for the previous generation of 6-10m telescopes. Via on-site visits and/or engineering documentation, we have surveyed eleven optical, infrared, and submillimeter 3-15m telescope enclosures, and report on key design features of the suspension and rotation systems, including wheel and track geometry, the wheel/track interface, average load per wheel, rotation drive method, etc. We discuss key considerations for the development of future suspension and rotation systems for ELT enclosures.

Paper Details

Date Published: 27 July 2016
PDF: 18 pages
Proc. SPIE 9906, Ground-based and Airborne Telescopes VI, 99060E (27 July 2016); doi: 10.1117/12.2231530
Show Author Affiliations
Bruce C. Bigelow, GMTO Corp. (United States)
Nathan P. Loewen, Sightline Engineering Ltd. (Canada)
Emile van Vuuren, Sightline Engineering Ltd. (Canada)
William S. Burgett, GMTO Corp. (United States)


Published in SPIE Proceedings Vol. 9906:
Ground-based and Airborne Telescopes VI
Helen J. Hall; Roberto Gilmozzi; Heather K. Marshall, Editor(s)

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