Morning again Rupert,

I left out one bit of information from my reply for the JTAS 4 Gazelle dropping the tanks allows the close escort to make a six parsec jump.

Tom Rux

> On October 11, 2019 at 5:44 AM Thomas RUX <xxxxxx@comcast.net> wrote:
>
>
> Morning form the Pacific Northwest Rupert,
>
>
> > On October 10, 2019 at 11:34 PM Rupert Boleyn <xxxxxx@gmail.com> wrote:
> >
> Snip
> >
> > Going back to the original question about the Gazelle, at
> > 300/400 Dtons and looking at the tables for drives (I'm using
> > /The Traveller Book/, so the results might be different with
> > other editions), a 300 DTon hull isn't listed and so uses the
> > same size drives as a the next bigger - the 400 DTon hull. Thus
> > to get a J5 at 300 DTons we need a 'K' Jump Drive and Power
> > Plant, also enough to give J5 at the full 400 DTons. However,
> > the rules for fuel consumption use actual hull size, and say
> > that 300 DT and J5 needs 0.1 x 300 x 5 = 150 DTons, while 400 DT
> > and J4 requires 0.1 x 400 x 4 = 160 DTons. Thus with 100 DT drop > tanks and 60 DTons of onboard jump fuel the Gazelle can do J4
> > with tanks, J5 with the tanks' fuel but jettisoning the tanks
> > (with 10 DT left over), and J2 from internal fuel with no tanks.
>
> JTAS 4 introduced the Gazelle as a 400 displacement ton hull with Jump-4, Acceleration-4, and two longitudinal fuel tanks engineered to be droppable in extreme circumstances.
>
> Tom Rux