Still an very nice concept though, that mirage drive. Human leg muscles are indeed much stronger then the upper torso and tire less quickly. Still not the same as sailing though
The MirageDrive is not the sailing part... it makes it easier to get around. Kinda like having a ready outboard. For performance sailing, think of it as a super ooch'er! You just pedal to get moving if desired or don't pedal at all. Doesn't require it.