> I'd be willing to up that thrust-to-mass ratio somewhat; but I'm not
comfortable with routine interplanetary travel being measured in hours.
Then perhaps apply some sort of cosmic drag coefficient, with, say a
warp multiplier of
1/(100 - AU from sun) with a minimum of x1
to the thrust ratio while in the solar system. At this point it's not
pretty, but it could work as an approximation.
Similar factors could be applied to planets*. At 100AU from the sun, you
get full speed. At 1 AU, it's 1/100 optimal.
* Mathephiles could figure out some square root function for generic
gravity that could apply to all bodies.
Otherwise taking a nod from Traveller, apply something similar to the
100 Diameter rule.
--
Eric Funk
Knowledge Brings Fear -- Motto of Mars University, Futurama
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