4 ms·
> But even balloons are maneuverable in some sense, by changing their altitude. Most balloons are not equipped to actively change their bouyancy.
by zardo 4y ago
> But even balloons are maneuverable in some sense, by changing their altitude.
Most balloons are not equipped to actively change their bouyancy.
- cdot2 4y agoEspecially because the high altitude stuff are generally zero pressure balloons
- sandworm101 4y agoYou can use propellers to move up and down too. The buoyancy of a fixed amount of helium doesn't drop/rise much with altitude changes. It isnt like submarines. The needed vertical thrust to move a few thousand feet is minimal.