The fuel feed system 1, wherein the passageway includes an air intake aperture at {HEAD ~ the infeed end}, whereby the air intake aperture connects the passageway with {TAIL ~ an air intake passageway} 
The fuel feed system 1 , wherein the passageway includes an air intake aperture at { HEAD ~ the infeed end } , whereby the air intake aperture connects the passageway with { TAIL ~ an air intake passageway }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL