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2. Electric boat - Wikipedia

   en.wikipedia.org/wiki/Electric_boat

   An electric boat is a powered watercraft driven by electric motors, which are powered by either on-board battery packs, solar panels or generators. [1] While a significant majority of water vessels are powered by diesel engines, with sail power and gasoline engines also popular, boats powered by electricity have been used for over 120 years.

3. Marine propulsion - Wikipedia

   en.wikipedia.org/wiki/Marine_propulsion

   Rolls-Royce Marine Spey, a gas turbine developed by Rolls-Royce Holdings in the 1960s for marine propulsion. Marine propulsion is the mechanism or system used to generate thrust to move a watercraft through water. While paddles and sails are still used on some smaller boats, most modern ships are propelled by mechanical systems consisting of an ...

4. General Dynamics Electric Boat - Wikipedia

   en.wikipedia.org/wiki/General_Dynamics_Electric_Boat

   General Dynamics Electric Boat [2] ( GDEB) is a subsidiary of General Dynamics Corporation. It has been the primary builder of submarines for the United States Navy for more than 100 years. The company's main facilities are a shipyard in Groton, Connecticut, a hull-fabrication and outfitting facility in Quonset Point, Rhode Island, and a design ...

5. Electric aircraft - Wikipedia

   en.wikipedia.org/wiki/Electric_aircraft

   An electric aircraft is an aircraft powered by electricity . Electric aircraft are seen as a way to reduce the environmental effects of aviation, providing zero emissions and quieter flights. Electricity may be supplied by a variety of methods, the most common being batteries . Most have electric motors driving propellers or turbines.

6. Virginia-class submarine - Wikipedia

   en.wikipedia.org/wiki/Virginia-class_submarine

   On 22 March 2021, the U.S. Navy added the 10th boat of the Block V series of the Virginia -class attack submarine, issuing a $2.4 billion adjustment on the December 2019 contract. This brings the total cost of the contract with prime contractor General Dynamics Electric Boat to $24.1 billion.

7. General Dynamics - Wikipedia

   en.wikipedia.org/wiki/General_Dynamics

   General Dynamics traces its ancestry to John Philip Holland's Holland Torpedo Boat Company. In 1899, Isaac Rice bought the company from Holland and renamed it Electric Boat Company. Electric Boat was responsible for developing the U.S. Navy's first modern submarines, which were purchased by the Navy in 1900.