A flywheel has a plurality of lobes, each lobe being disposed generally in {HEAD ~ alignment} with {TAIL ~ an area} where the cam surface undulates closest to the open end of a cylinder 
with
A flywheel has a plurality of lobes , each lobe being disposed generally in { HEAD ~ alignment } with { TAIL ~ an area } where the cam surface undulates closest to the open end of a cylinder
OTH OTH OTH OTH OTH OTH OTH OTH 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