3 ms·
Auto rotation converts air speed (i.e. drag) into lift. That may slightly reduce the relative costs of drag (by providing benefit) but it still has to be overco
by Someone1234 9y ago
Auto rotation converts air speed (i.e. drag) into lift. That may slightly reduce the relative costs of drag (by providing benefit) but it still has to be overcome by forward momentum.
- fastball 9y agoBut that's probably more of an issue for max speed than it is for efficiency, which would explain why it's operating speed is only 150kmph.