3 ms·
That, and that the amount of energy you put in to produce a unit of impulse with a theoretical EM drive is 10 times larger than the amount of energy required to
by Symmetry 10y ago
That, and that the amount of energy you put in to produce a unit of impulse with a theoretical EM drive is 10 times larger than the amount of energy required to produce that same impulse with a Hall effect thruster. For the journey to Mars that means the EM drive would tend to be much slower in practice even if it worked.