20 June 2000 Design and manufacturing of the CFRP lightweight telescope structure
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Abstract
Design of earthbound telescopes is normally based on conventional steel constructions. Several years ago thermostable CFRP Telescope and reflector structures were developed and manufacturing for harsh terrestrial environments. The airborne SOFIA TA requires beyond thermostability an excessive stiffness to mass ratio for the structure fulfilling performance and not to exceed mass limitations by the aircraft Boeing 747 SP. Additional integration into A/C drives design of structure subassemblies. Thickness of CFRP Laminates, either filament wound or prepreg manufactured need special attention and techniques to gain high material quality according to aerospace requirements. Sequential shop assembly of the structure subassemblies minimizes risk for assembling TA. Design goals, optimization of layout and manufacturing techniques and results are presented.
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Guenter Stoeffler, Guenter Stoeffler, Rainer Kaindl, Rainer Kaindl, } "Design and manufacturing of the CFRP lightweight telescope structure", Proc. SPIE 4014, Airborne Telescope Systems, (20 June 2000); doi: 10.1117/12.389111; https://doi.org/10.1117/12.389111
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