02289oam 2200649 a 450 991070080570332120120821153933.0(CKB)5470000002412965(OCoLC)747821476(EXLCZ)99547000000241296520110825g19821985 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierDesign of helicopter rotor blades for optimum dynamic characteristics[electronic resource] /by David A. Peters, ... [and others][St. Louis, MO.] [Dept. of Mechanical Engineering, Washington University] ;[Hampton, Va.][Langley Research Center][1982-1985]1 online resource (<4> volumes) illustrations[NASA contractor report] ;NASA CR-169352, NASA CR-169940. NASA CR-175380, NASA CR-176076Title from title screen (viewed Aug. 21, 2012).3rd semi-annual report for period 16 January 1983-16 July 1983 missing.Includes bibliographical references.Dynamic characteristicsnasatHelicopter designnasatMass distributionnasatOptimizationnasatRotary wingsnasatStiffnessnasatHarmonicsnasatInertianasatMassnasatStructural weightnasatRotor bladesnasatStructural designnasatDynamic characteristics.Helicopter design.Mass distribution.Optimization.Rotary wings.Stiffness.Harmonics.Inertia.Mass.Structural weight.Rotor blades.Structural design.Peters D. A1419080Washington University (Saint Louis, Mo.).Department of Mechanical Engineering.Langley Research Center.GPOGPOGPOBOOK9910700805703321Design of helicopter rotor blades for optimum dynamic characteristics3532440UNINA