Commercial Acquisition Department, Bldg 11, Naval Undersea Warfare Center Division, Newport, Code 59, Simonpietri Dr., Newport, RI 02841-1708

59 -- ROTOR/STATOR SET FOR FABRICATION OF PROTOTYPE SLOTLESS, BRUSHLESS DC MOTOR SOL N66604-98-Q-2601 DUE 032498 POC J. Whiteman, Purchasing Agent at (401) 841-3006 X 323; FAX (401) 841-4519; Contracting Officer, C. Garand at (401) 841-2442 X269 WEB: Naval Undesea Warfare Center Division, Newport, http://www.npt.nuwc.navy.mil/contract/. E-MAIL: J. Whiteman, Purchasing Agent, whiteman@code59.npt.nuwc.navy.mil. The Naval Undersea Warfare Center Division, Newport has a requirement for purchase of four (4) each prototype rotor/stator sets. The rotor/stator sets are to be used by the government to build a submersible electric motor. The quote is to include all labor and materials for design and fabrication of the permanent magnet type rotors and associated slotless stators. The contractor shall design and fabricate four (4) each prototype rotor/stator sets with the following performance and geometric criteria: I -- Rotor/Stator set is to be for fabrication of a slotless, brushless dc motor. 2 -- Performance requirements of motor are: 40 HP at 700 RPM 400 volts max 100 amps max efficiency 85% 3 -- Rotor assembly is to be dynamically balanced to 1000 RPM 4- Stator will have "Hall Effect" position sensors to be mounted and tested at small diameter end of assembly. 5-Two thermal sensors are to be mounted in each stator 6- The motor geometry is given in the drawing (upon request) -- motor cross section is conical, using an 11.25 degree half angle -- id of rotor at leading edge: 14.72" -- id of rotor at trailing edge: 13.74" -- length of rotor assembly: 2.5" 7-Stator end turns are to be no more than .5" in length 8-Cross section of stator end turns at large diameter end of assembly is to be cylindrical with no taper. 9-Motor air gap to be uniform .075" wide and same 11.25 deg conical taper as rotor and stator. 10-Power and sensor leads are to exit small diameter end of assembly and have insulation which is waterproof to 20 psi. Delivery shall be to NUWC, Newport, RI, F.O.B. Destination by 1 June 98. *See Note #1 the proposed contract is 100% set aside for small business concerns. The Government intends to award a single contract on a Firm Fixed Price basis. A request for quote including a drawing will be available to all offerors that submit a written request. All responsible sources may submit a quotation which shall be considered by the Government. The SIC Code for this action is: 3679 All responsible sources may submit a quotation which shall be considered. (0071)

Loren Data Corp. http://www.ld.com (SYN# 0284 19980316\59-0020.SOL)