TY - BOOK AU - Gessow, Alfred AU - Gustafson, F. B. ED - Washington. National Aeronautics and Space Administration (NASA) TI - NASA Technical Note [NASA TN D-382]: Effect of blade cutout on power required by helicopters operating at high tip-speed ratios PY - 1960/// CY - Washington PB - NASA KW - Aircraft design, testing and performance N1 - Bound together NASA TN D-381 to 390; Bound vol. Acc. No. 63662 contains Acc. No. TR15585 to TR15589, TR15610, TR15590 to TR15591 & TR15611 ER -