Science Art: Scheme of quadrocopter impellent (X and H configuration), by Ulrich Heither
This looks like a heraldic emblem to me, but it’s not. It’s also not merely an abstract diagram of circular forces, though that’s a little closer. It’s a schematic… Read the rest “Science Art: Scheme of quadrocopter impellent (X and H configuration), by Ulrich Heither”