The dome of the 2.16 metre reflecting telescope

Details The dome of the 2.16 metre reflecting telescope The dome of the 2.16 metre reflecting telescope

Jun 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992acasn..33..220m&link_type=abstract

Acta Astronomica Sinica (ISSN 0001-5245), vol. 33, no. 2, p. 220-228.

Astronomy and Astrophysics

Astronomy

Design Analysis, Reflecting Telescopes, China, Sunlight

Scientific paper

The general design, characteristic features, and the principal technical specifications of the dome of the 2.16-meter telescope of China are discussed. The dome is 34.65 m high and has an outer diameter of 22.36 m; both the movable roof and the vertical wall have a two-shell structure with an air shell in between. The 180-ton roof is sealed by two rubber shells and moves in a polished horizontal track, with only 3 motors of 2.5 kw each used to achieve a rotation rate of 128 deg/min. The dome shutter is of the push-pull and up-down type with a folded-plate window screen. A group of generators with an output power of 30 kw is used to provide emergency power supply.

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