Not sure if this has been raised here before although I imagine it has but what is the history, and the rational for using left wing feathers for shuttles, why the left and not the right? Using left wing feathers ensures that the shuttle rotates in a clockwise direction whereas the right wing would induce an anti-clockwise rotation, so what was behind the thinking that clockwise was better, has it anything to do with the predominance of right handers My first thought was it was something to do with earths rotation and the coriolis effect, (the water rotation down a plughole thingy) but that cannot be the case because we use the same shuttle in both hemispheres. So why only the left wing feathers? I assume that at some time in the past somebody has produced shuttles using the right wing feathers and had them tested, what was the outcome. Once again I assume they were not deemed to be any good otherwise we would see them being used, at least at basic club level, but why do we not see them, surely the flight characteristic would be the same, just the opposite rotation. Does anyone have any info as to what the outcome of such a test was (if indeed there was one) was the opposite rotation a distraction…or what?