Measurements made on untwisted, plywood covered rotor compared with measurements on similar rotor having 8° of linear washout and with rotor theory in order to determine effects of blade twist on helicopter performance; effects of twist on climb and power-off gliding performance also indicated.
Flight investigation of effects of rotor-blade twist on helicopter performance in high-speed and verticalautorotative-descent conditions
Nat Advisory Committee Aeronautics -- Tech Note
1948
27 pages
Report
Englisch
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