On 6/8/2021 7:07 PM, Rupert Boleyn wrote:
> On 09Jun2021 1049, Mark Urbin wrote:
[snip]
> IMTU contragravity counters an objects weight, but aside from minor
> 'drifting' from leaning the craft one way or the other you can't move
> horizontally using it. To do that you need another source of thrust.
> That's thrusters on a spaceship, or possibly some kind of rocket at
> TL9-, and s on a grav tank, g-carrier, and sometimes on an air/raft,
> but more commonly air/rafts use ducted fans (IMTU thrusters give off a
> hot exhaust that's not something you want on a basic civilian vehicle).
>
That is a nice H. Beam Piper feel.   Military units used the hot jets as
anti-ground personnel weapons at times.  I'm pretty sure that was done
in Uller Uprising.