Meet the pilot who invented the airplane 'vasectomy'

http://www.cnn.com/

Meet the pilot who invented the airplane 'vasectomy'

A consultant for Disney's new animated film "Planes" reveals how he prevented propellers from turning backwards and what it was like to invent an airplane "vasectomy."

http://us.top99news.com/2013/08/02/meet-the-pilot-who-invented-the-airplane-vasectomy/