Thegoalofthepreviouspaperwasnottoquantifythetrue wearratesofthebladesbutjusttoassesswhichofthenew shapedbladewasthebestintermsofwearresistanceandifthe newdesignallowedlowerwearratesandlongerdurability.The goalofthispaperistoquantifythevolumetricwearrates,tobuild a3Dwearmapshowingthetrue3Ddistributionofmateriallosses overtheblade'ssurfaceandtoassessthedischargeefficiency.