Repulsorlift Technology

The predominant vehicle technology is called repulsorlift. Repulsorlift is preferred over more primitive thrust methods because it is quieter, cleaner, and more efficient than other propulsion systems. By producing antigravity repulsor fields, these drives allow exacting control and high speeds—or incredible cargo-hauling capacity.

The versatile repulsor power plant can be adjusted to run on a variety of easily found power sources, such as minerals, solar power, and fusion. However, power cells and energy generators are preferred because they produce the most power for the least mass.

Repulsorlift vehicles are also popular because they are not restricted to roads and other smooth pathways—a boon to frontier and poor planets that can’t afford funding for highway construction. Almost all atmospheric vehicles, and a majority of “ground” vehicles in the Known Galaxy, rely upon repulsor technology. Primitive wheeled, hover, and hydrocarbon-burning engines are normally found only on the most primitive worlds, or on planets where repulsorlift isn’t feasible due to random gravity and radiation fluctuations.

Many high-speed repulsorcraft, such as airspeeders and cloud cars, use ion engine afterburners to boost performance and speed, making them superior to many spacecraft in atmospheric performance.

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Source: REUP:404