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A sturdy base design featuring a steel box beam structure for a 6m antenna. Includes lifting & locate points for easy transportation, a doorway, windows for light & air, and a trap door for fiber connections. |
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STATUS of 6m ANTENNABASE Matt Fleming 8/24/04 Note 6m = BIMA
BASE DESIGN 1 steel box beam structure 106 x 106 x 48” ( fits truck ) 4 bolt on legs 48” long ( field assembly ) 4 lifting & locate points for transporter 4 jacks ( maybe 3 ) 3 point support of 6m antenna pedestal 1 doorway 24 x 39” 2 windows for light & air 1 trap door in floor 24 x 36” Enclosed space for making fiber connections. Trap door in floor allows full access to vault below.
JACK CONCEPT 6m BASE J25 Jacks 36 x $2,800 = $100,800 jacks 4 x $500 = hand gear crank Custom Jack 36 x $750 = $27,000 jacks 4 x $3,000 = $9,000 motors
PREFERED CONCEPT • Use design shown in –D- • Use portable air bag or portable hydraulic if needed • Eventually develop 3 drive units for more convenience.
TASKS REMAINING FOR BASE • Conceptual Design, complete. Done • Alternate Jack design, complete. Sept. 3 • Detailed design, complete. Sept. 9 • Finite Element Analysis, begin. Sept. 18 • Finished shop drawings, complete. Oct. 18 • Request for Quote sent, UCB Purchasing. Nov. 12 • Contract prepared & awarded, UCB Purch. Dec. 13 • Fabrication & delivery, complete. Feb. 25