Plasma Magnet Sails to get manned missions to Mars in 1 week

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The plasma magnet sail engine is little more than 2 pairs of charged rotating coils and is therefore extremely simple and inexpensive. A fully powered plasma magnet sail using a small nuclear power source could accelerate at 0.5G and reach 400-700 km/sec (0.2% of lightspeed) in half a day.

* Carrying a 10 Kilowatt power source enables very cheap missions to the Gravitational lens with trips taking 5 years. Multiple gravitational lens missions are needed since you can only observe what is on the exact opposite side of the sun from the gravitational lens mission
* 10kW power supply could propel a 2500 kg craft with an acceleration of 0.5g, reaching 400-700 km/s in just half a day. Greason suggested that with this acceleration, the FOCAL mission for gravitational lens telescopes requiring many craft should be achievable.
* A stream of charged particles could be generated from Phobos or Demos to slow the Plasma magnet sail to Mars. If you were slowing a 100-ton manned spacecraft, then
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