Fuel is still consumed even when maintaining a constant velocity at FTL speeds. Why? Let me explain, and this is straight from information provided to us in the game. Short version the fuel is for the reactors that power the ship and the Mass Effect fields, long version:
It clearly states a ship needs to maintain its Mass Effect fields to sustain superluminal speeds. Without the Mass Effect fields a ship would drop back to its reletivistic subluminal speeds. Forgot which game's codex even goes as far to say that a sudden collapse of the Mass Effect fields at FTL velocities results in the destruction of the vessel.
So now we know a ship needs to keep its Mass Effect fields up to have Superluminal velocties. Mass Effect fields are produced by running a current through the substance known as Eezo. Current requires power or energy which is probably produced by the ships reactors. Reactors in the Mass Effect universe still require fuel.
A ship will still need to fuel its reactors to produce the power needed to run the current through the drive cores to produce the Mass Effect fields to permit FTL velocities.
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Now some physics for the fun of it or the really bored.
Now this is actually very interesting from a real physics perspective because of Newton's Law no less. See Newton's law is based in a reality where Mass does not change. What does the Mass Effect universe do? Change mass. Now the concept of mass changing is not a foreign concept in theoritical physics. Newton's Law is still true, but what is truely conserved is momentum.
Now if momentum remain constant (no acceleration or decceleration is applied) and mass remains constant, then velocity will remain constant. Now guess what happens if you can suddenly change the mass of an object? You guessed it, velocity will actually change since momentum will be conserved. The velocity will have to change to the new mass to keep the same constant (which is momentum).
Suprisingly Bioware did consider this when they designed their setting. Serious mad prop kudos to them. But this also explains why ships need to maintain their fields to sustain FTL. Without the field the ship will return to its original mass and resume its original none FTL speed.
Another considering, it seems the pocket of reality that exists inside a ME field is constant. So lets say when the Normandy is travelling at FTL, everyone inside the ship has the same mass they had before they were inside the field in relation to everything else that is inside the ship (so 'reality' remains constant for those inside the ship and its field). What is different is the mass of everything inside of the field in relation to the rest of the universe, hence why Einstien's barrier is finally broken and they have FTL velocities in this universe.
Modifié par Madecologist, 08 avril 2012 - 06:38 .