Feasible single-staged reusable spacecraft

I'm trying do design a feasible passenger/cargo spacecraft stationed on a space station.

It's a far future setting, but I'd like to stay as close to real physics as possible, specifically, anti-gravity is not available. At the same time there are means to provide large amounts of energy. It doesn't matter how it's achieved. Some kind of a nuclear reactor or even something like a matter/antimatter reaction assembly would be ok.

The spacecraft should have following capabilities:

• efficient and safe landing on a terrestrial planet or a moon without any pre-existing infrastructure;
• atmospheric flight;
• orbital launch without any pre-existing infrastructure;
• able to carry at least 5 passengers and $\leq$ 50 metric tons / $\leq$ 200 $m^3$ of cargo to and from the surface;
• landing and orbital launch with g-forces safe for regular untrained people;
• reusable.

Other requirements:

• single-staged system;
• maximum dimensions: width: 90m, length: 90m, height: 50m.

Is that possible? Are there any problems with the concept I'm missing? What kind of propulsion system would be viable for this spacecraft?

posted over 8 years ago

Elza‭

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