alt Hacker NewsIts all doable tho.
McMurtry Spéirling already demonstrates that riding on walls is possible with its fan producing twice the required force.
Flying can be an additional module you install for a one time jump, a gimmick.
Even acceleration is plausible considering McMurtry numbers.
But that's the whole point. It's a gimick. Just like half the features on the cybertruck, which either don't work in reality or make little to no sense.