The X1 aircraft is comparable in size to a small regional airliner and can achieve a maximum takeoff weight exceeding 25,000 pounds with the help of four wing-mounted electric motors. The battery-electric propulsion system delivered more than one megawatt of power during the maiden flight.



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That is very much a it depends. Freight trains are like that, as are passenger trains on steel bridges, or anything with a large diesel engine. However we know how to make tracks that are not like that. Concrete bridges dampen vibration well. Elective EMUs are also much quieter.