TY  - RPRT
TI  - Effect of tip shape on blade loading characteristics for a two-bladed rotor in hover
AU  - Ballard, J. D.
AU  - Orloff, K. L.
AU  - Luebs, A. B.
PY  - 1979
UR  - https://ntrs.nasa.gov/citations/19790065041
ID  - 19790065041
ER  -