AAFE large depolyable antenna development program: executive summary, Volume 2894
National Aeronautics and Space Administration, 1977 - Technology & Engineering - 42 pages
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30-Meter Diameter Acme threaded rods adjusted analysis back cord bottom member bulge cept CM IN CM components Configuration cord spacing cord tension CURVED ASTROMAST Deployable Antenna deployed deployment sequence diameter antenna ECLIPSE fabrication feasibility Figure B-l flange front cord geometry hinge joint hoop deployment hoop members hoop segments Hoop/Column concept INTERCOSTALS Langley Research Center located lower control stringers main mast section Maypole mechanical mesh shaping mesh surface mesh tension MOLYBDENUM NASTRAN NLSA Node number of hoop number of segments outer joints Packaging Volume PREDICTED PRELOAD quartz radial rib radio astronomy Reflector Antenna secondary drawing surface shown in Figure spacelab spools standoffs stowed package stowed position stowing sequence stringers attach structure Sun Angle surface accuracy surface error Surface Tolerance Table temperature profile Thermal Expansion thermal loads tion Tolerance and Defocus torque Torsion springs torsional strain trade-off studies upper control stringers Versus Antenna Diameter weight