Flight measurements of the effects of blade out of track on the vibration levels on a tandem rotor helicopter /

A wind-tunnel investigation of parameters affecting helicopter directional control at low speeds in ground effect /

Yeager, William T.
Mantay, Wayne R.
Young, Warren H.
Langley Research Center.

January 1974

Prepared at Langley Research Center.Cover title.Includes bibliographical references (p. 14).Mode of ...

Effect of advanced rotorcraft airfoil sections on the hover performance of a small-scale rotor model /

Althoff, Susan L.
United States. National Aeronautics and Space Administration. Scientific and Technical Information Division.

January 1988

"September 1988"--Cover.Includes bibliographical references (p. 7-8).Mode of access: Internet

Hovering characteristics of a rotor having an airfoil section designed for flying-crane type of helicopter /

Shivers, James P.
United States. National Aeronautics and Space Administration.

Cover title."April 1961."Aerodynamics, aircraft; Aircraft; Propulsion systems, air-jet.Includes bibl...

Flight investigation of effects of selected operatings conditions on the bending and torsional moments encountered by a helicopter rotor blade /

Ludi, LeRoy H.
United States. National Aeronautics and Space Administration.

Cover title."April 1961."Aircraft; Propulsion systems, air-jet; Stresses and loads.Includes bibliogr...

Measurements of the time-averaged and instantaneous induced velocities in the wake of a helicopter rotor hovering at high tip speeds /

Heyson, Harry H.
United States. National Aeronautics and Space Administration.

Cover title."July 1960."Aircraft; Propulsion systems, air-jet.Includes bibliographical references.Mo...

A flying qualities study of a small ram jet helicopter /

Connor, Andrew B.
Tapscott, Andrew B.
United States. National Aeronautics and Space Administration.

Cover title."April 1960."Wings rotating, experimental studies; Helicopters; Flying qualities.Include...

The effects of various combinations of damping and control power on helicopter handling qualities during both instrument and visual flight /

Salmirs, Seymour.
Tapscott, Robert J.
Langley Research Center.

January 1959

"NASA TN D-58.""Langley Research Center, Langley Field, Va.""October 1959."Title from cover.Includes...

Considerations of methods of improving helicopter efficiency /

Dingeldein, Richard C.
United States. National Aeronautics and Space Administration.

Cover title." April 1961."Aerodynamics, aircraft; Aircraft; Propulsion systems, air-jet.Includes bib...

Hovering measurements for twin-rotor configurations with and without overlap /

Sweet, George E.
United States. National Aeronautics and Space Administration.

Cover title."November 1960."Aerodynamics, aircraft; Propulsion systems, air-jet.Includes bibliograph...

An analytical evaluation of airfoil sections for helicopter rotor applications /

Bingham, Gene J.
Langley Research Center.

January 1975

Prepared at Langley Research Center.Cover title.Includes bibliographical references (p. 12-13).Mode ...

Full scale wind-tunnel tests of blowing boundary-layer control applied to a helicopter rotor /

McCloud, John L.
Brady, James A.
Hall, Leo P.
United States. National Aeronautics and Space Administration.

Cover title." September 1960."Aircraft; Propulsion systems, air-jet.Includes bibliographical referen...

Surface pressure measurements at two tips of a model helicopter rotor in hover /

Gray, R. B. (Robin Bryant), 1925-
Langley Research Center.
United States. National Aeronautics and Space Administration. Scientific and Technical Information Office.

January 1980

Subject Category 02."May 1980"--Cover.Includes bibliographical references.Mode of access: Internet

Analysis of stall flutter of a helicopter rotor blade /

Crimi, Peter, 1935-
Langley Research Center.
Avco Corporation. Systems Division.

January 1973

"Prepared by AVCO Systems Division ... for Langley Research Center."Cover title.Bibliography: p. 132...

Analysis of helicopter maneuver-loads and rotor-loads flight-test data /

Beno, Edward A.
Langley Research Center.
United Aircraft Corporation. Sikorsky Aircraft Division.

January 1973

"Prepared by Sikorsky Aircraft Division, United Aircraft Corporation ... for Langley Research Center...

Hovering characteristics of a rotor having an airfoil section designed for a utility type of helicopter y James P. Shivers and William J. Monahan.

Shivers, James P.
Monahan, William J.
United States. National Aeronautics and Space Administration.

Cover title."December 1962."Includes bibliographical references.Mode of access: Internet

A wind-tunnel investigation of parameters affecting helicopter directional control at low speeds in ground effect /

Yeager, William T.
Mantay, Wayne R.
Young, Warren H.
Langley Research Center.

January 1974

Prepared at Langley Research Center.Cover title.Includes bibliographical references (p. 14).Mode of ...

Effect of advanced rotorcraft airfoil sections on the hover performance of a small-scale rotor model /

Althoff, Susan L.
United States. National Aeronautics and Space Administration. Scientific and Technical Information Division.

January 1988

"September 1988"--Cover.Includes bibliographical references (p. 7-8).Mode of access: Internet

Hovering characteristics of a rotor having an airfoil section designed for flying-crane type of helicopter /

Shivers, James P.
United States. National Aeronautics and Space Administration.

Cover title."April 1961."Aerodynamics, aircraft; Aircraft; Propulsion systems, air-jet.Includes bibl...

Flight investigation of effects of selected operatings conditions on the bending and torsional moments encountered by a helicopter rotor blade /

Ludi, LeRoy H.
United States. National Aeronautics and Space Administration.

Cover title."April 1961."Aircraft; Propulsion systems, air-jet; Stresses and loads.Includes bibliogr...

Measurements of the time-averaged and instantaneous induced velocities in the wake of a helicopter rotor hovering at high tip speeds /

Heyson, Harry H.
United States. National Aeronautics and Space Administration.

Cover title."July 1960."Aircraft; Propulsion systems, air-jet.Includes bibliographical references.Mo...

A flying qualities study of a small ram jet helicopter /

Connor, Andrew B.
Tapscott, Andrew B.
United States. National Aeronautics and Space Administration.

Cover title."April 1960."Wings rotating, experimental studies; Helicopters; Flying qualities.Include...

The effects of various combinations of damping and control power on helicopter handling qualities during both instrument and visual flight /

Salmirs, Seymour.
Tapscott, Robert J.
Langley Research Center.

January 1959

"NASA TN D-58.""Langley Research Center, Langley Field, Va.""October 1959."Title from cover.Includes...

Considerations of methods of improving helicopter efficiency /

Dingeldein, Richard C.
United States. National Aeronautics and Space Administration.

Cover title." April 1961."Aerodynamics, aircraft; Aircraft; Propulsion systems, air-jet.Includes bib...

Hovering measurements for twin-rotor configurations with and without overlap /

Sweet, George E.
United States. National Aeronautics and Space Administration.

Cover title."November 1960."Aerodynamics, aircraft; Propulsion systems, air-jet.Includes bibliograph...

An analytical evaluation of airfoil sections for helicopter rotor applications /

Bingham, Gene J.
Langley Research Center.

January 1975

Prepared at Langley Research Center.Cover title.Includes bibliographical references (p. 12-13).Mode ...

Full scale wind-tunnel tests of blowing boundary-layer control applied to a helicopter rotor /

McCloud, John L.
Brady, James A.
Hall, Leo P.
United States. National Aeronautics and Space Administration.

Cover title." September 1960."Aircraft; Propulsion systems, air-jet.Includes bibliographical referen...

Surface pressure measurements at two tips of a model helicopter rotor in hover /

Gray, R. B. (Robin Bryant), 1925-
Langley Research Center.
United States. National Aeronautics and Space Administration. Scientific and Technical Information Office.

January 1980

Subject Category 02."May 1980"--Cover.Includes bibliographical references.Mode of access: Internet

Analysis of stall flutter of a helicopter rotor blade /

Crimi, Peter, 1935-
Langley Research Center.
Avco Corporation. Systems Division.

January 1973

"Prepared by AVCO Systems Division ... for Langley Research Center."Cover title.Bibliography: p. 132...

Analysis of helicopter maneuver-loads and rotor-loads flight-test data /

Beno, Edward A.
Langley Research Center.
United Aircraft Corporation. Sikorsky Aircraft Division.

January 1973

"Prepared by Sikorsky Aircraft Division, United Aircraft Corporation ... for Langley Research Center...

Hovering characteristics of a rotor having an airfoil section designed for a utility type of helicopter y James P. Shivers and William J. Monahan.

Shivers, James P.
Monahan, William J.
United States. National Aeronautics and Space Administration.

Cover title."December 1962."Includes bibliographical references.Mode of access: Internet

A wind-tunnel investigation of parameters affecting helicopter directional control at low speeds in ground effect /

Yeager, William T.
Mantay, Wayne R.
Young, Warren H.
Langley Research Center.

January 1974

Prepared at Langley Research Center.Cover title.Includes bibliographical references (p. 14).Mode of ...

Effect of advanced rotorcraft airfoil sections on the hover performance of a small-scale rotor model /

Althoff, Susan L.
United States. National Aeronautics and Space Administration. Scientific and Technical Information Division.

January 1988

"September 1988"--Cover.Includes bibliographical references (p. 7-8).Mode of access: Internet

Hovering characteristics of a rotor having an airfoil section designed for flying-crane type of helicopter /

Shivers, James P.
United States. National Aeronautics and Space Administration.

Cover title."April 1961."Aerodynamics, aircraft; Aircraft; Propulsion systems, air-jet.Includes bibl...

Flight measurements of the effects of blade out of track on the vibration levels on a tandem rotor helicopter /

Abstract

Extracted data

Flight measurements of the effects of blade out of track on the vibration levels on a tandem rotor helicopter /

Abstract

Extracted data

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