A nozzle having {HEAD ~ a radius} only slightly less than {TAIL ~ a radius} of the impeller is disposed in trailing relation to the stator 
less than
A nozzle having { HEAD ~ a radius } only slightly less than { TAIL ~ a radius } of the impeller is disposed in trailing relation to the stator
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH