As he suspected , the teardrop shape is n't as good at fooling the wind in varying conditions as we all thought ; .
The Foil features truncated sections with lopped - off tails , to cope better with real - world turbulences .
As he suspected , the teardrop shape is n't as good at fooling the wind in varying conditions as we all thought ; and the Foil features truncated sections with lopped - off tails , to cope better with real - world turbulences .