01782nam 2200469 450 991070438540332120160315141737.0(CKB)5470000002439827(OCoLC)944527026(EXLCZ)99547000000243982720160315j201502 ua 0engurcn|||||||||txtrdacontentcrdamediacrrdacarrierInvestigation of spiral bevel gear condition indicator validation via AC 29 2C combining test rig damage progression data with fielded rotorcraft data /Paula J. DempseyCleveland, Ohio :National Aeronautics and Space Administration, Glenn Research Center,February 2015.1 online resource (v, 27 pages) color illustrationsNASA/TM ;2015-218478Title from title screen (viewed on March 15, 2016)."February 2015."Includes bibliographical references (pages 26-27).Rotary wing aircraftnasatSpiral bevel gearsnasatFatigue testsnasatFatigue (materials)nasatHelicoptersnasatRotary wing aircraft.Spiral bevel gears.Fatigue tests.Fatigue (materials)Helicopters.Dempsey Paula J.1390004NASA Glenn Research Center,Fundamental Aeronautics Program (U.S.),GPOGPOBOOK9910704385403321Investigation of spiral bevel gear condition indicator validation via AC 29 2C combining test rig damage progression data with fielded rotorcraft data3490792UNINA