a folding propfan blade journaled for {HEAD ~ rotation} about {TAIL ~ an axis} extending at substantially a right angle to said blade from a folded position to a run condition, 
a folding propfan blade journaled for { HEAD ~ rotation } about { TAIL ~ an axis } extending at substantially a right angle to said blade from a folded position to a run condition ,
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH