There is as well another source of propulsion very powerful and very interesting in space, it is gravity. Well used, you can save lols of fuel by calculating ideal trajectories through a solar system. And I am sure space ships will use it to save fuel in the future.
Precisely and I do hope military fuel is still a factor in game. It is after all the sustenance of the Sirius Corporation, and everyone wants them to be alright...right? Oh come on!According to the Frontier manual, the hydrogen fuel is used as an energy source for hyperspace travel, and waste products of that are then used as reaction mass for thrusters. (Possibly helium and rarer heavier elements left over from a fusion reaction?)
Military fuel was "an engineered molecule with anti matter atoms suspended in it." so probably gained greater mass-efficiency than a fusion-based reaction by using antimatter annihilation.
In First Encounters, certain ships were able to transmit a signal that made civilian drives but not military drives explode. It's not clear what mechanism this used: it is unlikely to be directly related to the choice of fuel source since the fusion-based drive sounds like it has the far safer source...
I recall growing up on speculation of using ramjets to scoop hydrogen as interstellar fuel (late 70s/early 80s); I vaguely recall a Sky at Night piece about it. Always assumed that this was the basis of the original Elite game which allowed scooping of fuel from a sun. Something like this:
http://www.centauri-dreams.org/?p=8145
WHY:S:S:S:S
I hope they fix this, even if it means being stranded in inter-planetary space with no fuel at all![]()