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    sublight engines

    now the sublight engines on the deadalus and even the promethius look like chemical thrusters or rocket engines yet they obviously cant be powered by jet fuel or rocket fuel because you would need a LOT of it so its proboably powered by naquada generators. furthermore, the engines of the 302 look almost the same as those on the deadalus and promethius so would it be possible to power them with a naquada generator?
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    #2
    If I understand how a Naquadah Reactor works, given that Naquadah seems to be some form of room temperature superconductor, then the source of energy would be electrical.

    It is more likely that the sublight engines featured on the USAF starships and other craft of similar propulsion would use Ion Engines. Highly charged ionised particles of hydrogen or helium electromagnetically accelerated for thrust. Each Ion Engine would then logically be powered by it's own fusion reactor, similar in design and execution to the Impulse Engines of Star Trek.

    Theoretically Ion Engines would be the most efficient form of propulsion, this side of an Inertialess Drive that is.

    Just a thought!
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      #3
      302's have aerospikes.


      and our engines DO breathe air. watch the odd "transparent blue-backlight panel displaying engine status"
      the panel is properly visible in Deadalus variations. moreso, it shows the oxygen level in the engines. its at the same part of the craft as the sidepanel where they see the Kobol message(or whatever her name).


      EDIT: massive thrust enhancement can be done by a electron cannon array ionizing exhaust fuel to be further accellerated

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        #4
        Ion thrusters we reverse engineered from the Hebridians sample engine they let us study.
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          #5
          plasma drive holds more power.

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            #6
            Plasma is just highly charged, ionised particles, so isn't a plasma drive and an ion drive, literally the same?!

            Just a thought in relation to this, how do the Earth ships steer? There doesn't seem to be any sign of a propellant based Reaction Control System, so I just assumed that given that the USAF ships have internal artificial gravity and Inertial Dampers that that is a variant form of the Goa'uld inertialess engines.
            THERE ARE THINGS KNOWN...
            AND THINGS UNKNOWN...
            AND IN BETWEEN...LIES THE STARGATE

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              #7
              seeing how the Oddy broke through the clouds in "Pegasus Project", id say:

              -Inertial Dampeners(which induce the gravity field, "Eton") turn F=ma to F=xma. its not canon, but its what i think. the only way for inertia to be reduced is to reduce the EFFECT of mass. this makes the deadalus as easy to control as a fighterplane.

              -Inertialles Drive. the Deathglider had one. removes gravity effect and removes Inertia effect.

              -Maneuvering engines. apparently the smaller ones are for maneuvering



              the difference between ion, plasma and particles are vague.

              Ions: outer electrons gone. Plasma: nucleae and electrons free. particles: all stuff including ions and plasma and nucleus particles

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                #8
                All major earth ships has sublights and the 302 has fuel as stated in Enemy at the gate.
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                  #9
                  in theor there chemical engines, they look and when throtteling up sound like chemical engines. but going by the way the 304s can accelerate and maneuvere they behave like ion engines. and if they were chemical engines they would leave a trail (even in space), but so would an ion engine (ion trail), a flowing trail of ionised particles. so it behaves like an ion engine, sounds and uses fuel like a chemical engine, and has no trail like neither. hmmm a puzzler.

                  there most likely a combination of both with a dash of artistic licence

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                    #10
                    Ion drive it is ^^
                    => they got their's of the people from the episode "Space Race" as they installed a Stargate on that planet in order to allow the people from their to use the network of gates without having to travel somewhere else first.

                    greetings LAX
                    ps: The 302's now have an iondrive as well (the early development had it have "normal" jet engines and a rocket booster to go into orbit (to use the hyperspace-window-generator their - how that went, we all know ^^) but they do use the normal drive outside the atmosphere as well now, so i guess they replaced the standart engines, which is of course very good, giving them higher range and maybe even a higher speed)

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                      #11
                      302's use aerospikes, which are designed to work in and outside atmosphere. but i guess the 304 ones are modded mainly to work in space.

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                        #12
                        302s have combination airbreathing and non-airbreathing engines which can be assisted by the large rocket booster in the center.
                        Also, IF (they aren't) they are ion engines, then there wouldn't be a trail of ions, there'd be a trail of neutral gas. If the Ion engines truly work by accelerating ions out the back, then the ions have to be neutralized (today, we use an electron gun) otherwise the ship will have a net charge opposite that of the ions and simply attract them back to the ship resulting in no net thrust.
                        Also, it looks more like the 304s use fusion engines accelerating plasma from fusion reactors.
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                          #13
                          As it has been said, ion and plasma drives are theoretically the same. Highly charged particles (that would be the protons and electrons) and for a lack of a beter word, is pushed out like a fart. Both hold the same engine power potential. I'm guessing study from goauld, heribidian (or whatev.) and other races engines helped us progress.Mainly though, i'd guess the asgard gave us a little upgrade along with our hyperdrive coz those guys are the best

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                            #14
                            Ion drives are also rockets, where the fuel is accelerated charged particles.

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                              #15
                              plasma engines are WAY more powerfull than ions.


                              as i said:

                              IONS: outer electrons gone. there is still an atom, it only misses a few electrons. it does not have to be gaseous per se. all metals are ions: they have an ionic roster with free electrons, its why they conduct. all salts are ionic: they have + and - ions and it makes them have melting temperatures of like, 1000's of degrees.
                              NaCl, the stuff you eat every day, trivial name is salt. Na(+) and Cl(-). two ions.

                              PLASMA: superheated gas. there is NO atomic structure. nucleae and electrons roam free. the nucleus has NO electrons whatsoever in orbit. most notorious for its heat: plasma is hot, and thus melts materials. if you're hit by normal plasma, you get serious burns. the staffweapon was accurate. and the only accurate plasma weapon we have ever seen. stun weapons are plasma weapons, but not normal as you simply dont get away unscaved. you are burned, simple as that. unless they fire cold plasma.


                              as you can see, plasma holds much more thrust as you are dealing with MUCH more kinetic energy. heat=energy. so plasma is made by superheating gas to some 5000 degrees. this burning creates heat and thrust. now a plasma engine goes further and uses an electrical field to futher accellerate the plasma. thus more thrust. and seeing as the charge of particles is important aswell, plasma holds more thrust. for Hydrogen, it doesnt matter. but imagine, say, carbon. 6 protons. thus 6 electrons. but can only bind 4. so while ionized carbon would be C (4-), plasma carbon would be C(6-). and the further up the periodic table, the bigger the difference

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