Originally Posted by onetrack
"...I conducted a wind tunnel test..."-John Cobb
and btw, no one is claiming 30% reduction in frontal area. but the world's foremost authority on aerodynamics in cycling has seen a 30% reduction in "DRAG".
Then he will be able to provide the numbers that showed a rider saw a 30% reduction in drag from one aero position to another just from a change in crank length.
Still says nothing about whether they can maintain power in that position or can hold that position for the an Ironman cycle section.
Till then your opinion on his opinion has been duly noted.