Some Obscurish facts
#719
If a man weighing 150 Ib. had wings instead of arms, he would need to have a breastbone sticking out about 6 ft. in front of him in order to contain all the muscles necessary to power the wings sufficiently to make him fly
If a man weighing 150 Ib. had wings instead of arms, he would need to have a breastbone sticking out about 6 ft. in front of him in order to contain all the muscles necessary to power the wings sufficiently to make him fly