almost done this here techmarine. his backpack is taking forever though

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they are so much worse lol higher disk loading also means higher stress on the airscew

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like, jet engines are only better than props if you're going really fast (which a heli is obviously not doing, its main job is to hover) and fewer, larger props is always better than more, smaller props

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Or, in simpler terms: pushing a large volume of air slowly takes less energy than pushing a small volume of air very fast, and F = ma

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btw, what I mean when I say propellers are strictly more efficient than jets (at low velocities)

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