{HEAD ~ The present invention} relates to a flywheel for a barrel engine and {TAIL ~ a barrel engine} incorporating this flywheel 
relates to
{ HEAD ~ The present invention } relates to a flywheel for a barrel engine and { TAIL ~ a barrel engine } incorporating this flywheel
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH