01519nam 2200457Ia 450 991069727330332120230902161907.0(CKB)5470000002386187(OCoLC)645463331(EXLCZ)99547000000238618720100701d1994 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierForward sweep, low noise rotor blade[electronic resource] /inventor, Thomas F. Brooks[Redacted ed.][Washington, DC] :[National Aeronautics and Space Administration],[1994]1 online resource illustrationsNASA case ;no. LAR-14569-1-CUTitle from PDF title screen (NASA, viewed June 23, 2010).NASA case ;LAR-14569-1-CU.Blade slap noisenasatBlade-vortex interactionnasatNoise reductionnasatRotary wingsnasatSwept forward wingsnasatBlade slap noise.Blade-vortex interaction.Noise reduction.Rotary wings.Swept forward wings.Brooks Thomas F1407638United States.National Aeronautics and Space Administration.GPOGPOBOOK9910697273303321Forward sweep, low noise rotor blade3489622UNINA