Penn State University, Applied Research Lab, PO Box 30, State College, PA 16804

A -- TORQUE BALANCED FLYWHEEL SOL 98-7 POC Mr. George W. Houck, 814-865-2423 Research and Development -- Potential Sources Sought Applied Research Laboratory of The Pennsylvania State University (ARL Penn State), North Atherton Street, P. O. Box 30, State College, PA 16804 TORQUE BALANCED FLYWHEEL Sol 98-7, POC, George W. Houck, Contracts and Subcontracts Specialist, voice (814) 865-2423 or email gwh2@psu.edu. Sources are sought to perform a preliminary design study of a torque balanced flywheel, and to use this design as the basis for estimating the performance of a developed unit and the cost and development schedule associated with the possible subsequent detailed design, fabrication, and development testing of three units of this device, which may or may not be acquired, at ARL Penn State's option, via a subsequently negotiated development subcontract. The envisioned preliminary design study shall be performed under a firm, fixed price subcontract of approximately three months duration. Multiple preliminary design studies may be awarded, dependent upon the quality of offers received and the availability of funding, and the results used by ARL Penn State as a basis to award a subsequent sole source or competitively bid development subcontract to obtain three torque balanced flywheels. The torque balanced flywheel sought must fit within an 18.5" diameter cylinder and will be charged at a nominal power of 3 kW, which may be adjusted over a limited range above and below the design point until a maximum of 260 W hr of energy has been stored. The flywheel will be periodically discharged at a power of approximately 55 kW and the specifics (voltage, current type) of the charge and discharge power will be jointly developed by ARL Penn State and the selected subcontractor(s) during the preliminary design. The flywheel assembly is to be designed to minimize reaction torque at its mount points and should effectively limit the net rotational energy to the mounts during each cycle to a minimum. It is anticipated that the flywheel output voltage will be approximately 375 V at the 55 kW design point, or at alternative voltages identified as more advantageous during parametric performance tradeoff analyses conducted during the preliminary design effort. High storage capacity and low parasitic losses are sought from a light weight and low volume package during the preliminary design effort. This announcement is made to determine interest only and does not commit ARL Penn State to make any award or to pay any response preparation costs. Interested potential sources are advised that certain aspects of the system in which the flywheel is used are proprietary to ARL Penn State and other third parties and potential sources shall have no rights thereto, except for the sole, limited purpose of preparing a proposal pursuant to a request for proposal for a torque balanced flywheel when issued. The formal RFP will be issued on or about 13 April 1998. Potential sources are requested to send a letter of interest and capability along with hardware brochures and other non-proprietary, descriptive literature toMr. George W. Houck, Contracts and Subcontracts Specialist, The Pennsylvania State University, North Atherton Street, P.O. Box 30, State College, PA 16804, not later than 10 days after the publication date of this CBD announcement. (0089)

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