It's an interesting topic.. and I like to be involved with this conversations though my science may not be in-depth enough beyond the scope of sci-fi movies..
Sarkus said:
Personally I don't think you'd go too far wrong viewing spaceships along the same lines as current submarines, but they wouldn't land on planets. Combat will be much along the lines of tracking things on sonar, and with the wonderful complexity of having to play chess with the orbital mechanics.
=> The next question will be the technology of teleportation, whereby if ships were needed to transport material, people or attack means, whether teleportation would be a secure enough means that we don't get our lungs in our heads when we travel down. Though of cos, dependent on whether Warp technology is discovered earlier than teleportation or vice versa.
Sarkus said:
At inter-stellar speeds even spotting another ship as you hurtle around at a reasonable fraction of "c" is remote, let alone stopping to have a chat with them, a cup of tea, and then trading weapon barrages.
I don't believe tracking other ships will be based on Sonar, sound signals are too slow for interstellar communications/tracking. Though light photons may be better means of detection, if Warp technology were to be invented, I believe Warp detection mediums may be used.
Billvon said:
I think that's only true if radiation is an issue. If it's not it may not matter much. At the energy levels required for interstellar travel there likely won't be any minor malfunctions
So far our science has shown that the higher technology a source of fuel is being used, the more dangerous it is. Fission technology cars are being experimented on at this moment, but yet not considered safe enough to be used, as we won't want every car on our streets to be another possible atom bomb. But if one day, science discovers a new more effective fuel with little side effects, that might change.
Billvon said:
In many cases very NON aerodynamic shapes will have advantages for interstellar travel. A thick flat plate in front of the vehicle could provide a buffer for erosion from interstellar dust. Another example would be the field coils for a ramscoop to collect fuel during interstellar travel.
A thick flat plate is definitely not the most cohesive shape to faster travel, but may provide a stronger armor plating, though this speculation is that we are using hard alloys to defend our hulls. Comets travel with a thick crust of ice around their bodies and they are normally smooth at their most pivotal angles. If ramscoop is being used to collect interstellar dust as fuel, I may believe that front hull designs may look like the 'Libra' symbol, where the scoop is along the side tails.
Billvon said:
Spheres maximize the internal volume for a given surface area, and generally maximize enclosed space for a given amount of structure. If you assume constant moderate acceleration you don't need to deal with spinning (or more esoteric artificial gravity methods.)
That does make sense, though it won't be exciting to see ships in space as ping-pong balls..our planets/suns/comets are like spheres, and it's only natural to believe spaceships will be the same. Still, base on this theorem, why wouldn't our city buildings be spherical or circular in shape, which points to the fact that it ain't easy to build hard circular walls, so if hard alloy metals are being used, it won't be easy to bend them to be circular too, and would you feel comfortable to stay in a circular room??
Billvon said:
That makes a lot of assumptions - that you need guns with barrels, that they need to have two axes of external rotation etc. Look at a typical stealth aircraft; they have orders of magnitude more destructive power than a World War II bomber, but no turrets.
I agree here. There may not be a need for turrets, there may be multiple connecting nodes of firing points on the ship's hull that allows firing from many angles. Though there may still be a need to protect these nodes from the constant erosion that may occur due to interstellar travel. A starship captain won't like the idea of falling out of Warp in a battle scenario only to find all his weapons disabled due to travelling. If EM shielding technology (may not be EM) is engaged, they may be allocated to protect the nodes more.