{HEAD ~ A particle separator} for {TAIL ~ a tip turbine engine} includes a generally conical inclined leading surface leading to a maximum radius and a tapered trailing surface having a radius at all points therealong less than the maximum radius  
for
{ HEAD ~ A particle separator } for { TAIL ~ a tip turbine engine } includes a generally conical inclined leading surface leading to a maximum radius and a tapered trailing surface having a radius at all points therealong less than the maximum radius
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH