Commander, Naval Air Warfare Center Weapons Division, Code 210000D, 1 Administration Circle, China Lake, CA 93555-6100

66 -- MASS PROPERTIES MEASURING INSTRUMENT SOL N68936-98-R-0170 DUE 080398 POC Linda Long, Contract Specialist, (760) 939-4232 The Naval Air Warfare Center Weapons Division, China Lake, CA intends to procure on a competitive basis (1 ea) Mass Properties Measuring Instrument which meets the following specifications: (1) Must be capable of performing a Center of Gravity (CG) measurement along two horizontal axes in a single setup with better than +/-.001 inch (0.025mm) accuracy for payloads weighing as little as 4% of machine capacity (6,000 lbs); (2) Moment of Inertia measurement around a vertical axis with accuracy better than +/-0.25%; (3) Fully automatic opperation when CG or MOI are selected on the computer, the entire measurement takes place automatically; (4) Unbalance moment must be measured directly. Must be able to have corrections made with the test part mounted and changes in CG observed immediately; (5) Must utilize an externally pressurized air bearing system to support the weight of the payload to reduce wear, and eliminate shock loads; (6) Must NOT utilize a hydraulic pump system; (6) Must be capable of measuringboth dynamic unbalance and moment of inertia on a single machine; (8) Must utilize an active closed-loop rebalance transducer system to detect and compensate for deflection; (9) The unit must be self calibrating with weights and distances traceable to NIST; (10) Must come equipped with a dedicated microcomputer system including monitor and all needed cables, Windows NT program software; (11) Must be capable of printing a measurement report and perform the necessary calculation upon the completion of each test; (12) Mass properties instrument must be classified as explosion proof, class I and II (SE 9615 option); (13) Price to inlcude field installation, adjustment and initial testing of the instrument; (14) Price to include all shipping charges; (15) Must utilize a force rebalance transducer system. Strain gauge load cells are NOT acceptable; and (16) Delivery by 30 Sep 98 is highly desired. All interested and qualified small business sources may submit a proposal for consideration. Requests for the solicitation must be in writing to the attention of Linda Long, Contract Specialist, sent either to the address noted above or telefaxed to (760) 939-7510. See Note(s): 1. (0167)

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