Re: Physics help (I found it!)

[T.L.G.vanderLinden@student.utwente.nl (Timothy van der Linden)]

>No, my Explorer design doesn't use on board fuel for accell out of the sol
>system, or return decel.  A bigger problem Is I forgot the 2e7 exaust
>velocity was for a He3 system which obviously isn't very feasable for 17
>years of onboard storage.  (Liquid helium is incredibly good at geting out of
>sealed containers.)  I havent bothered to try to figure out the numbers for
>Li6 fueled system yet.  But I remembered they sounded bad.

Keep in mind that the temperature where Helium becomes fluid and the
temperature where Helium becomes superfluid are not the same, there is a
difference of about 2 degrees between them.

Tim