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Questions tagged [beamed-propulsion]

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Externaly delivered non-nuclear pulse propulsion?

This question asks about the feasibility of an Orion-like pulse propulsion system using chemical explosives instead of nuclear explosives as pulse unit. Unfortunately, those simply lack the energy ...
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1answer
181 views

Why has beam-powered propulsion not seen more use?

To me at least, beam-powered propulsion seems like a great idea. High specific impulse, non-negligible thrust, and no heavy nuclear reactors on board. It's even been successfully tested by Escape ...
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How much can static cling be used to move things in space? Tractor Beam

Can static cling occurs in space? Can a static charge be amplified laterally to move objects in space similar to Star Trek's tractor beam? Can a static charge could be carried by a sustained particle ...
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What are the benefits from using the Sun as a gravitational lens for beamed interstellar propulsion?

What would be gained from placing a powerplant with a photon beam canon and a light sail on opposite sides of the Sun, perfectly alligned, both at >550 AU from the Sun? That'swhere the lens starts, ...
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How could the laser from Earth to a spacecraft be used other than to propel its light sail?

The Starshot Breakthrough Initiative, sponsored by Yuri Milner, now finances the attempt to use a huge laser on Earth to propell a tiny spacecraft to huge velocity. Not having to carry the energy for ...
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Do any realistic rocket systems use different substances for propellant and fuel?

In his Edge.org Annual Question response, Progress in Rocketry, George Dyson exults in the success of Blue Origin and SpaceX in landing their rockets after pushing them past the Kármán line, and then ...