On Jan 20, 11:07=A0am, Dr J R Stockton <j...@[EMAIL PROTECTED]
> wrote:
> In rec.arts.sf.science message <fe41b5bc-f8e5-4ddb-90ad-8c35c9d0f971@[EMAIL PROTECTED]
> g2000prf.googlegroups.com>, Sat, 19 Jan 2008 14:47:46,
> "alanmc95...@[EMAIL PROTECTED]
" <alanmc95...@[EMAIL PROTECTED]
> posted:
>
>
>
> > I figure =A0the fastest route between the two would be a trip to earth
> >orbit and back to the second =A0Lunar point.
>
> Incorrect.
>
> The potency of the drives is not specified.
>
> The fastest route, given suitable drives, is to accelerate
> instantaneously to 0.99999999...c directly towards the other L point,
> and to decelerate instantaneously on arrival after about 1.3 seconds.
>
> The original question is inadequately specified.
>
> The lowest-energy route is to apply a small impulse forwards or
> backwards and almost exactly along the line of the orbit, such that when
> the ****p p***** the Moon its radial component of velocity is reversed so
> that it will in mirror-image fa****on reach the other L-point.
If your delta v is 1/1000 v, it will take on the order of 1/3 (1000)
months to reach the other Lagrange point. You're trading cheap fuel
for hellishly long trips- A. McIntire
>
> Much too small an impulse and the ****p will do lunar lithobraking;
> otherwise, too small and it will be deflected too much, too large and it
> will be deflected insufficiently.
>
> --
> =A0(c) John Stockton, Surrey, UK. =A0?...@[EMAIL PROTECTED]
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