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russ_watters
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They don't fly at low speed for long, and that's a lot of added aerodynamic stress to design for. The takeoff weight is about 20x the landing weight!sophiecentaur said:Revisiting that earlier post, it makes me wonder why they don't use wings to aid takeoff. Up as far as several tens of km, a wing would provide some lift. More efficient than a rocket at low speeds. All the combinations must have been tried over the years - as has aircraft-assisted takeoff.