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Although the Neumann Drive may be better for the long haul, the HiPEP is betterwhen it comes to acceleration. On his website, Neumann notes that his ion thruster is not good at throwing a lot of power over time, meaning it would be used to keep satellites in their orbit or send probes into space rather than launch a spacecraft.

The Neumann Drive runs based on a reaction between electricity and metal. Electr

ic arcs strike magnesium (or whatever other chosen fuel works) causing ions to spray. A magnetic nozzle focuses the ions to create thrust.

Being fuel efficient is cost effective, Neumann notes on his website. To send akilo of anything into space, it can cost anywhere between $10,000 to $50,000. An International Space Station (ISS) requires seven tonnes of fuel to keep coursein space, bringing that cost up to a minimum of $70 million. "A more efficient engine would require less fuel needing to be brought up  which would result in a dramatic reduction in costs," Neumann writes on his website.

Neumann has lodged a patent and is currently securing funding for the next stage of research and development.

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