Linear Acceleration: A form of transit in space flight where a spacecraft points toward a destination and accelerates for half of the distance it needs to travel, then decelerates for the other half, currently not viable due to the high amounts of DeltaV and fuel required.
I'm working on a Sci-fi universe where due to humanity's lack of gravity manipulation technologies (BS artificial gravity plaiting, anti-gravity, etc.) human ships are oriented like towers (Engine being like the foundation, decks being different floors) and use Linear acceleration to mimic the sensation of gravity in space. (yes I did get inspiration from the Expanse)
Qualities im looking for:
- high fuel efficiency
- capable of acceleration of 9.8 m/s^2 or higher for days to years at a time
- the shorter the structure, the better (no kilometer-long metal structures, as flipping halfway for deceleration would cause high amounts of stress on the craft that could tear it in half)
- Optional: cool as all heck
- Also optional: doesn't involve super-hypothetical tech (Such as small artificial black holes)
- Technology at this point is to where fusion reactors are possible to build and maintain for long periods of time and Mankind is close to antimatter technologies (synthesis, reactors, etc.) and basic FTL (akin to a warp drive) (FTL is used to jump between two points in space nearly instantly but is incredibly dangerous, thus traditional space travel is used for interplanetary distances and traveling to jump points)
- The distances travel range from between Earth and the moon to Earth to the farthest parts of the Kuiper belt
- The engine can be turned off and on a near infinite amount of times (a common problem with current rocket technology is that engines can be ignited and shut off only a set number of times)
- RADIATION IS NOT A CONCERN FOR ME As long as it can be shielded against, as these engines are only used in space.