Developing a shaftless propulsion system is something akin to the holy grail of submarine propulsion. High-power RDT technology remains generally unsophisticated; the performance and reliability of the RDTs need to be further improved, especially in regards to the development of high-power and low-speed electric motors, electromagnetic-thermal-fluid-solid coupling research, high power RDT cooperative design method, vibration and noise control, the improvement of anti-fouling and anti-damage capability, multiple RDTs cooperative control method. We review the research progress of shaft-less Rim Driven Thruster (RDT) in terms of both theoretical and experimental studies on driven motor performance, motor control systems, hydrodynamic performance, and optimization. Electric Boat was one of two teams… Initial funding of approximately $5 million was received by DRS from the Naval Undersea Warfare Center, Newport Division, in Newport, Rhode Island. DRS's power equipment facilitates realization of the U.S. Navy's vision of an electric warship utilizing a common ship power system architecture that can transfer electric power from propulsion and ship service systems to advanced electric weapons, sensors and countermeasures. Electric Boat is a wholly owned subsidiary of General Dynamics. The advantages of RDT make it a potentially highly effective and economical choice for a wider range of ships than other propulsion alternatives in the future. We use cookies to help provide and enhance our service and tailor content and ads. Known for identifying cutting edge technologies, he is currently a Co-Founder of a startup and fundraiser for high potential early-stage companies. He is the Head of Research for Allocations for deep technology investments and an Angel Investor at Space Angels. Copyright © 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 New big future Inc. All rights reserved.

“A rim-driven pump-jet has a ring-shaped electrical motor inside the pump-jet shroud, which turns the vane rotor inside the pump-jet cavity to create thrust,” as South China Morning Post reporter Minnie Chan described the system. ABB Azipod propulsion systems have a major impact on cruise vessel's operating efficiency - reducing energy … Dave Majumdar is the defense editor of The National Interest. DRS Technologies, Inc, PARSIPPANY: DRS Technologies, Inc. announced today that it was awarded a new $30 million contract, including options, to develop advanced shaftless propulsion technology for a next-generation U.S. Navy nuclear-powered submarine design study under the Tango Bravo program. The Columbia-class will use integrated electrical propulsion with a permanent-magnet motor turning the submarine’s drive shaft. Researchers have developed an advanced new rocket-propulsion system once thought to be impossible. See more ideas about Propulsion, Electric boat, Electric boat motor. U.S. naval experts are skeptical of the Chinese claims. Focused on defense technology, DRS develops and manufactures a broad range of mission critical systems. China claims an all electric rim-driven pump-jet had been fitted to the People’s Liberation Army Navy’s newest nuclear submarines. © Copyright 2020 Center for the National Interest All Rights Reserved. The U.S. Navy uses pump-jet propulsor technology onboard its Improved Los Angeles, Seawolf and Virginia-class attack submarines. By continuing you agree to the use of cookies.

DRS Technologies, headquartered in Parsippany, New Jersey, provides leading edge products and services to defense, government intelligence and commercial customers. China is talking about putting the new ultra quiet propulsion system on new nuclear-powered type 095 attack submarines and Type 096 ballistic missile submarines. However, PLAN has not confirmed which of its new submarines might receive the new propulsor technology. The chinese electromagnetic aircraft launch system has not been installed on any aircraft carrier. SCHOTTEL is one of the world’s leading manufacturers of azimuth propulsion and manoeuvring systems for ships of all sizes and offshore applications. The U.S. Navy is also planning to use a pumpjet propulsor onboard its forthcoming Columbia-class nuclear-powered ballistic missile submarines.

Brian Wang is a Futurist Thought Leader and a popular Science blogger with 1 million readers per month. Developing a shaftless propulsion system is something akin to the holy grail of submarine propulsion.

The Columbia-class will use integrated electrical propulsion with a permanent-magnet motor turning the submarine’s drive shaft. Mounting the system on a vessel for rotation about an axis perpendicular to the axis of the rotor enables steering of the vessel without use of a rudder. The options, if exercised, will extend the remainder of the work through May 2009. A force multiplier, these technologies will provide the electric warship with an affordable leap-ahead capability, allowing U.S. Navy forces to maintain technical superiority in the 21st century. Power surge: PWR-3 propulsion, munitions and electrical systems "PWR-3 technology offers superior performance, is easier to operate, provides a longer in-service life and reduced maintenance costs." plastic ropes melting around the shaft. The Chinese People’s Liberation Army Navy (PLAN) claims to have developed new electrically-powered pump-jet propulsor that would theoretically be much quieter than any current generation Western submarine propulsion system.

Mar 5, 2013 - Collected wisdom on shaftless propulsion with the aim of developing a planing speed jet-like propulsor with minimal risk of interrupted operation by debris, e.g. His blog Nextbigfuture.com is ranked #1 Science News Blog. “Yes, something...if genuine,” McGrath said. The base features underground submarine facilities with tunnel access, shielding Chinese submarines that enter the South China Sea from the prying eyes of US reconnaissance satellites. “This is one of our work team’s first world-leading projects, which has been used on [China’s] next-generation nuclear submarines,” PLAN Rear Admiral Ma Weiming told China Central Television in May according to SCMP. U.S. naval experts are skeptical of the Chinese claims. Several application cases are enumerated. “This solution provides proven, best-value technology that is lighter, smaller and more power-dense than any other U.S. Rear Admiral Ma Weiming, 57, became a household name in China in 2011 when he published during a speech to accept a national technology award that his team had successfully developed a Chinese electromagnetic aircraft launch system (EMALS). DRS Technologies, Inc, PARSIPPANY: DRS Technologies, Inc. announced today that it was awarded a new $30 million contract, including options, to develop advanced shaftless propulsion technology for a next-generation U.S. Navy nuclear-powered submarine design study under the Tango Bravo program. A rim-driven pump-jet has a ring-shaped electrical machine inside the pump-jet shroud, which turns the vane rotor inside the pump-jet cavity to create thrust. Arrangement for the supply of fluid to a continuously variable relationship transmission unit of the rolling traction type. Those vessels might include versions of the nuclear-powered Type 095 attack submarines and the Type 096 ballistic missile submarines. But quieter that U.S. subs? Which companies and technologies will continue to outperform. General Dynamics Electric Boat, GROTON: General Dynamics Electric Boat has won a $20 million, 18-month contract from the Defense Advanced Research Projects Agency (DARPA) to continue development of shaftless propulsion technology for submarines. High-power ship propulsion systems usually have low speed large diameter propellers. As the prime contractor direct to the government for integrated power systems equipment, DRS will design and develop a shaftless propulsor that eliminates the need for a traditional shaft that penetrates the submarine's pressure hull. It would mean that the PLAN is making genuine progress in developing novel submarine technologies and is starting to catch up.



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