{TAIL ~ A particle separator} for a tip turbine engine includes {HEAD ~ 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  
{ TAIL ~ A particle separator } for a tip turbine engine includes { HEAD ~ 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
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH