The vibration damper plate 160 may be configured as {TAIL ~ a single 360 degree arcuate ring} or may be configured as {HEAD ~ several arcuate segments} 
The vibration damper plate 160 may be configured as { TAIL ~ a single 360 degree arcuate ring } or may be configured as { HEAD ~ several arcuate segments }
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD