2022
DOI: 10.48550/arxiv.2201.06094
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The Simons Observatory: Design and Measured Performance of a Carbon Fiber Strut for a Cryogenic Truss

Kevin D. Crowley,
Peter Dow,
Jordan E. Shroyer
et al.

Abstract: We present the design and measured performance of a new carbon fiber strut design that is used in a cryogenically cooled truss for the Simons Observatory Small Aperture Telescope (SAT). The truss consists of two aluminum 6061 rings separated by 24 struts. Each strut consists of a central carbon fiber tube fitted with two aluminum end caps. We tested the performance of the strut and truss by (i) cryogenically cycling and destructively pull-testing strut samples, (ii) non-destructively pull-testing the final tru… Show more

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