In some embodiments, the flywheel has {HEAD ~ a radial outer edge} defining the maximum radius of the flywheel, and {TAIL ~ each} of the lobes extends to the radial outer edge 
In some embodiments , the flywheel has { HEAD ~ a radial outer edge } defining the maximum radius of the flywheel , and { TAIL ~ each } of the lobes extends to the radial outer edge
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH