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ALTERNATIVE MECHANICALS

ALTERNATIVE MECHANICALS. DVA1 Meeting at NSF Arlington VA April 15-16, 2010 Matt Fleming. Contributions from Jack Welch Roger Schultz Gordon Lacy. Image of current TDP Concept. TDP Pedestal Mount & Frame. ASAKAP 12m CETC54. KAT7 BAE (previously IST Dynamics). KAT7 Mount.

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ALTERNATIVE MECHANICALS

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  1. ALTERNATIVE MECHANICALS DVA1 Meeting at NSF Arlington VA April 15-16, 2010 Matt Fleming Contributions from Jack Welch Roger Schultz Gordon Lacy

  2. Image of current TDP Concept DVA1, NSF, Arlington, 2010-04-16 Matt Fleming slide 2 of 43

  3. TDP Pedestal Mount & Frame DVA1, NSF, Arlington, 2010-04-16 Matt Fleming slide 3 of 43

  4. ASAKAP 12m CETC54 DVA1, NSF, Arlington, 2010-04-16 Matt Fleming slide 4 of 27

  5. KAT7 BAE (previously IST Dynamics) KAT7 Mount DVA1, NSF, Arlington, 2010-04-16 Matt Fleming slide 5 of 27

  6. People – Antenna Structures - BAE GD SatCom Cobham/ Patriot

  7. Antedo mount Roger Schultz DVA1, NSF, Arlington, 2010-04-16 Matt Fleming slide 7 of 27

  8. CETC54 15m DVA1, NSF, Arlington, 2010-04-16 Matt Fleming slide 8 of 27

  9. Elevation Part CETC54 15m Mount Azimuth Part Pedestal DVA1, NSF, Arlington, 2010-04-16 Matt Fleming slide 9 of 27

  10. Panel Type 15m Roger Schultz DVA1, NSF, Arlington, 2010-04-16 Matt Fleming slide 10 of 27

  11. Panel Type 15m Roger Schultz DVA1, NSF, Arlington, 2010-04-16 Matt Fleming slide 11 of 27

  12. Panel Layout Roger Schultzfor DVA-1 Roger Schultz suggests near rectangles at large end DVA1, NSF, Arlington, 2010-04-16 Matt Fleming slide 12 of 27

  13. Matt’s suggests throw away pie shape concept and use rectangular panels Panels for 3000 Antennas Yes each panel is unique and tooling will be very expensive Panels should be designed for max area and container transport Support structure should be rectangular space frame with nodes allong panel seams Still make use of throuted design for El axis near reflector. DVA1, NSF, Arlington, 2010-04-16 Matt Fleming slide 13 of 27

  14. Antenna Design Drivers • Must achieve survival. • ( 100 mph wind ) • 2 Low cost per unit area of aperture. ( good sky coverage ) ( installed ) • ( low cost materials, low mass design, low fabrication labor ) ( favors symmetric ) • 3 Very low operational cost for a 30 year life • ( very few maintenance visits required ) • 4 Frequency range of 0.3 to 10 GHz with WBSPF • ( 3.5m Gregorian secondary ) ( favors offset ) • 5 Excellent Ae / Tsys. • ( accurate surfaces, controlled spillover, low diffraction ) ( favors offset ) • 6 Exceptional dynamic range. • ( very rigid surfaces, very good pointing, ) pt source sensitivity survey survey speed Performance vs Cost Tradeoffs DVA1, NSF, Arlington, 2010-04-16 Matt Fleming slide 14 of 43

  15. Questions DVA1, NSF, Arlington, 2010-04-16 Matt Fleming slide 15 of 43

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