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Re: pteros have lift-off

Like David M says, think of a pterosaur launch as a modified downstroke. The outer wing is already starting to operate as an opening/lifing device as it begins to unfold very early in the cycle.

A little confused here... at the bottom of the downstroke the wings are just coming to the end of a chiefly horizontal segment in their stroke cycle, the south pole of their circular stroke, if you will... unless the wingstroke only operates chiefly in the horizontal plane. Maybe this is the key >> do you envision a manus stance much wider than the pedal stance?