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by kuprel 3745 days ago
Specific energy of hydrogen is 142 MJ/kg. Why not a hydrogen fuel cell powered electric jet?
2 comments
taneq 3744 days ago
Because hydrogen is very hard to store in any reasonable size or shape, and that's even without focusing on the inefficiency of generating it.
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jessaustin 3744 days ago
Ammonia doesn't have this or several of the other drawbacks of hydrogen, but is otherwise equivalent.
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maaku 3744 days ago
Drag on a bigger airframe.
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