These mostly focus on propulsion and transport, but 4M is a different concept.
It certainly cannot sail under its own power, as 80 percent of the electricity generated on board is used for propulsion.
The Connies lit their propulsion tubes and drove feet first for the asteroid.
The only article of propulsion we could hire were saddle mules.
This was a battle royal of types and modes of application of the power of the steam-engine to the propulsion of ships.
It consists of an elongated cylinder having a charge chamber in its rear portion, which contains powder for propulsion.
Probably the most successful attempt at propulsion by this method was that of a French locksmith named Besnier.
The whales and the fishes have a similar mode of propulsion.
Winford snapped off the propulsion beams, seized two ray pistols that lay on the chart table, and ducked down the ladder.
One of the most interesting features of the float is the method of propulsion.
propulsion pro·pul·sion (prə-pŭl'shən)
A driving or propelling force.
The leaning or falling forward characteristic of the festination of parkinsonism.