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Comment Re:Hmm, better idea? (Score 1) 150

Because landing upright works for Mars and the Moon; It also scales well to larger payloads.

Elon is being sneaky and developing a way to colonise Mars but getting paying customers to fund the necessary R&D.

The NASA method of using a heatshield, parachute and skycrane to land the Curiosity Rover on Mars was ingenious but at the maximum weight limit of what that method could achieve. Any heavier and it won't work.

A propulsive vertical landing on Mars could go much heavier. Much much heavier. Weights of 50 tons to the surface of Mars are being talked about.

Comment Re:Doesn't add up (Score 2) 198

In the UK every socket outlet can deliver 3kw (13 amps @ 230 volts). 3kw is normal for kettles which can boil one cup of water in about 90 seconds from cold. OTOH hair dryers don't need that much power because it would be ridiculously hot. For the same reason tumble dryers are usually only 1kw.

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