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What type of reactor does The Raddus in SW:TLJ use for propulsion? What type of fuel is it using?

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    Possible duplicate of Which fuel is used by the Rebel cruisers in The Last Jedi?
    – amflare
    Commented Dec 28, 2017 at 19:03
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    @amflare - Not a dupe. One is asking what fuel the ship uses, the other (this one) is asking about the means of propulsion. Since the engines are ionic those aren't the same thing.
    – Valorum
    Commented Dec 28, 2017 at 19:51
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    @Valorum This question is asking both. </pedantry>
    – Möoz
    Commented Jan 5, 2018 at 3:33

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The film's Incredible Cross-Sections book indicates that the Raddus' sublight engines are ionic in nature. The ship evidently scoops up interstellar ions, accelerates them to a high velocity and then ejects them out of its enormous engines, creating thrust.

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It stands to reason that the fuel (whatever it is) is therefore being used to create energy (to accelerate the ions) rather than directly burned. The earlier Force Awakens: Cross-Sections factbook notes that almost all large ships use hypermatter controlled fusion as their primary power source.

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