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Sir Isaac Newton Telescope EnclosureOverviewThe Sir Isaac Newton Telescope Enclosure, designed and built for the Science and Engineering Research Council of the U.K., was created to house a 2.5-meter polar axis telescope that had been operating in the south of England. The telescope was modified and moved to the Island of La Palma . Dynamic Structures was contracted to design and construct the telescope enclosure. For more information on ISAAC NEWTON see http://www.ing.iac.es/PR/int_info/ ChallengeThe original enclosure was constructed of aluminum and used bi-parting shutters to open the telescope to the night sky. It was thermally and dynamically inadequate for the new site, so a new enclosure had to be designed to enhance the telescopes performance. SolutionThe new design concept moved away from bi-parting shutters to an up-and-over split shutter concept. This solution allowed the telescope top end to be protected as the telescope moved in elevation and azimuth. By moving the shutter components in unison the opening could be controlled to a minimum rectangular size. We designed the bottom shutter to independently lower from the closed position allowing the telescope to point to horizon. OutcomeOur new shutter design concept became the universal standard. It provided better environmental protection for the telescope by reducing enclosure size and improving weather sealing. Our new approach to manufacturing, plus on-site construction, made this structure extremely cost-effective. |
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