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