Why a persistently airborne nuclear-powered fortress isn’t feasible.

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Similar to the Ausmerzer in Wolfenstein II: New Colossus or the Helicarrier in the Avengers universe.

In: Engineering

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Anonymous 0 Comments

Flying takes a large amount of energy, per unit weight. Nuclear reactors are very heavy, requiring more power, requiring more reactors, … It’s been tried several times and it’s not a viable engineering solution.

You can go small, NASA is sending a nuclear powered drone named Dragonfly to fly around on Titan. It uses nuclear electricity to charge batteries and then makes flights on battery power; oh yes, and the gravity on Titan is 14% of Earth gravity.

But Avengers large – we can’t even make things like that powered by fossil fuels. Nuclear is much more massive per unit power output.

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