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~ Current Project Status ~

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December 2002

MTTC / Navy Fleet Maintenance Reduction Projects -

Current Status As of 12/01/02

Vibracon: A contract has been awarded to NSWC/Philadelphia and shock test planning has commenced. A minimum of two pumps and a compressor will be barge-shock tested using Vibracon shocks as the leveling and hold-down devices.

DDG Valve Actuators: NSWC/Philadelphia has been awarded a contract to conduct at-sea test and evaluation. They are currently interviewing vendors and factory representatives have visited USS ARLEIGH BURKE (DDG-51) to look at the intended test application.

Variable Speed Drive: NAVASEA and NAVSSES Philadelphia are currently restructuring the Statement of Work to take advantage of recent developments in VSDs. The object of this project will be to evaluate the new second genteration VSDs in development. The Gen2 devices will substantially reduce weight, volume and cooling requirements -- all major objections to the first generation devices.

Magnetic Couplings: Six couplings have been procured. Two have been installed on elevator hydraulic pumps on USS NIMITZ (CVN-68). Shortly, another coupling will be used on the Air Conditioning Chill Water Pump on a west coast CVN and three more applications on an east coast CVN.

Scullery Dishwashers: MTTC, using experienced commercial appliance engineering expertise, has visited a number of ships to observe the dishwasher in its operational environment and has developed a list of probable fixes for the problems noted. Currently, MTTC is modifying a used dishwasher to evaluate the proposed fixes and make recommendations for a MACHALT kit.

UNREP Phone/Distance Line: The final report on the September testing was issued on October 18, 2002. The response had been very positive. NAVSEA has stated that it intends to expedite changes to NWP-4 that would permit the use of "sportsman"-type lasers for the ships being replenished. NSWC Panama City has been tasked to continue to look at the display for use on the replenishment ships. The MTTC portion of this project is now complete.

Distiller Anti-Scale: The prototype unit is ready for at-sea testing. Plans to install on a west coast ship have been delayed because the USS CARL VINSON (CVN-70) (Smart Ship) availability work package has been overloaded. NSWC/Philadelphia is now looking at the next available ships USS JOHN C STENNIS (CVN-74) or USS THEODORE ROOSEVELT in Norfolk.

Vertical Package Conveyors: NSWC/Philadelphia has made great progress in the past quarter. The PLC, Light Curtain, chain auto oiler and variable drive has been installed and programmed. Testing at the land-based test site will begin soon. Installation of the PLC has been accomplished on the USS HARRY S. TRUMAN (CVN-75) (3 conveyors) and is underway on the USS CARL VINSON (CVN-70). Design of the light curtain for combatants has begun.

CIWS Acutator Cam Pin: The Navy In-Service Engineering Agent in Louisville, KY has been provided a prototype entrance unit for system testing. It will be installed as soon as a test mount becomes available. General Dynamics, Burlington, VT has been testing the entrance unit in one of its ammunition handling systems for several months with no failure evident. The Navy is starting preliminary work to institutionalize the modification, contingent upon successful testing.


Speedwrap Insulation: During the first week of May, BBNT, Inc. conducted a six-month evaluation on the USS THEODORE ROOSEVELT (CVN-71). The sailors especially appreciated the laundry application since it appeared to lower temperatures by at least five degrees F. Flex hoses were noted as an unexpected hand-and-glove application. A 12 month inspection will be conducted late November, 2002. Results are not yet available.  


Electrospark Deposition (ESD): In-situ repair of hydraulic rams. Prior to utilization on fleet asset diving plane rods, the ESD process must be formally approved by NAVSEA. It is considered to be a SUBSAFE item. A draft process instruction has been written and is in routing. Comments are already being received. Given the critical nature of the equipment, a quick response is anticipated.


Firezone Joiner Doors: A contract has been awarded to NSWC/Philadelphia to help NAVSEA determine the requirements and specifications for shipboard interior doors. MTTC has commenced researching commercial specifications, sources and products. After the Navy has defined its needs, MTTC will advise the Navy commercial products (doors, closures, hinges) that will meet its requirements. 


Hatch Gas Springs: A contract has been awarded to NSWC/Philadelphia. Navy engineers will work with the vendors to develop engineering criteria for Navy applications. Sample gas springs will be procured and tested to ensure applicability and reliability.


Self-Cleaning Strainer: MTTC has placed an order for a Spencer Self-Cleaning Strainer that meets Navy requirements. Delivery is expected in January 2003. Testing requirements for shock, vibration and electromagnetic interference (EMI) have been determined and a solicitation for services will be issued in December or January.


Please Give Us A Call

For additional news or information about opportunities involving Navy Fleet Maintenance Reduction, contact: Dick Gilbert [email protected]


Phone: (502) 452-1131 Ext. 307;   Fax (502) 451-9665


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MTTC is a U.S. Navy Sponsored Center

Back Issues

MTTC Navy Projects

For more information how MTTC can help your company benefit from the Fleet MaintenanceReduction Program, contact Dick Gilbert: [email protected]   

(502) 452-1131.



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