Experimental and analytical evaluation of efficiency of helicopter planetary stage /

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 ...

Dynamic analysis of multimesh-gear helicopter transmissions /

Choy, Fred K.
Oswald, Fred B.
Townsend, Dennis P.
Lewis Research Center.

January 1988

Prepared at Lewis Research Center."February 1988"--Cover.Includes bibliographical references (p. 7)....

Testing of UH-60A helicopter transmission in NASA Lewis 2240-kW (3000-hp) facility /

Mitchell, Andrew M.
Coe, Harold H.
Oswald, Fred B.
Lewis Research Center.

January 1986

Prepared at Lewis Research Center."August 1986"--Cover.Includes bibliographical references (p. 6).Mo...

Efficiency testing of a helicopter transmission planetary reduction stage /

Handschuh, Robert F.
Rohn, Douglas A.
United States. Army Avition Research and Technology Activity. Propulsion Directorate.
Lewis Research Center.

Prepared at Lewis Research Center and Propulsion Directorate, U.S. Army Aviation Research and Techno...

Performance data from a wind-tunnel test of two main-rotor blade designs for a utility-class helicopter /

Singleton, Jeffrey D.
Wilbur, Matthew L.
Yeager, William T.
United States. Army Aerostructures Directorate.

January 1990

Prepared at the Army Aerostructures Directorate, USAARTA-AVSCOM, Langley Research Center.Bibliograph...

Vibratory loads data from a wind-tunnel test of structurally tailored model helicopter rotors /

Yeager, William T.
United States. Army. Aerostructures Directorate.

January 1991

Prepared at the U.S. Army Aerostructures Directorate.Bibliography: p. 4-5.Mode of access: Internet

Aerodynamic performance of a 0.27-scale model of an AH-64 helicopter with baseline and alternate rotor blade sets /

Kelley, Henry L.
United States. Army Aerostructures Directorate.

January 1990

Prepared at the Aerostructures Directorate, USAARTA-AVSCOM, Langley Research Center.Bibliography: p....

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...

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 ...

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...

Helicopter mission optimization study /

Olson, John Richard, 1934-
United States. National Aeronautics and Space Administration. Scientific and Technical Information Office.
United Technologies Corporation.

January 1978

Dec. 1978.Contract NAS1-14980.Includes bibliographical references (p. 68).Mode of access: Internet

Evaluation of composite components on the Bell 206L and Sikorsky S-76 helicopters /

Baker, Donald J.
United States. Army Aerostructures Directorate.

January 1990

Prepared at the Aerostructures Directorate, USAARTA-AVSCOM, Langley Research Center.Bibliography: p....

An Experimental study of the sensitivity of helicopter rotor blade tracking to root pitch adjustment in hover /

Wilkie, W. Keats.
United States. Army. Aerostructures Directorate.

January 1991

Prepared at the U.S. Army Aerostructures Directorate.Includes bibliographical references (p. 3).Mode...

An enhanced integrated aerodynamic load/dynamic optimization procedure for helicopter rotor blades /

Chattopadhyay, Aditi, 1958-
Chiu, Y. Danny.
Langley Research Center.
Lockheed Engineering & Sciences Company.
Analytical Services & Materials, Inc.

January 1990

Prepared at Analytical Services & Materials, Inc., and Lockheed Engineering & Sciences Company for L...

Performance testing of a main rotor system for a utility helicopter at 1/4 scale /

Berry, John D.
Army Research and Technology Laboratories (U.S.). Structures Laboratory.
United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch.

"April 1982"--Cover."Structures Laboratory, AVRADCOM Research and Technology Laboratories, Langley R...

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 ...

Dynamic analysis of multimesh-gear helicopter transmissions /

Choy, Fred K.
Oswald, Fred B.
Townsend, Dennis P.
Lewis Research Center.

January 1988

Prepared at Lewis Research Center."February 1988"--Cover.Includes bibliographical references (p. 7)....

Testing of UH-60A helicopter transmission in NASA Lewis 2240-kW (3000-hp) facility /

Mitchell, Andrew M.
Coe, Harold H.
Oswald, Fred B.
Lewis Research Center.

January 1986

Prepared at Lewis Research Center."August 1986"--Cover.Includes bibliographical references (p. 6).Mo...

Efficiency testing of a helicopter transmission planetary reduction stage /

Handschuh, Robert F.
Rohn, Douglas A.
United States. Army Avition Research and Technology Activity. Propulsion Directorate.
Lewis Research Center.

Prepared at Lewis Research Center and Propulsion Directorate, U.S. Army Aviation Research and Techno...

Performance data from a wind-tunnel test of two main-rotor blade designs for a utility-class helicopter /

Singleton, Jeffrey D.
Wilbur, Matthew L.
Yeager, William T.
United States. Army Aerostructures Directorate.

January 1990

Prepared at the Army Aerostructures Directorate, USAARTA-AVSCOM, Langley Research Center.Bibliograph...

Vibratory loads data from a wind-tunnel test of structurally tailored model helicopter rotors /

Yeager, William T.
United States. Army. Aerostructures Directorate.

January 1991

Prepared at the U.S. Army Aerostructures Directorate.Bibliography: p. 4-5.Mode of access: Internet

Aerodynamic performance of a 0.27-scale model of an AH-64 helicopter with baseline and alternate rotor blade sets /

Kelley, Henry L.
United States. Army Aerostructures Directorate.

January 1990

Prepared at the Aerostructures Directorate, USAARTA-AVSCOM, Langley Research Center.Bibliography: p....

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...

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 ...

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...

Helicopter mission optimization study /

Olson, John Richard, 1934-
United States. National Aeronautics and Space Administration. Scientific and Technical Information Office.
United Technologies Corporation.

January 1978

Dec. 1978.Contract NAS1-14980.Includes bibliographical references (p. 68).Mode of access: Internet

Evaluation of composite components on the Bell 206L and Sikorsky S-76 helicopters /

Baker, Donald J.
United States. Army Aerostructures Directorate.

January 1990

Prepared at the Aerostructures Directorate, USAARTA-AVSCOM, Langley Research Center.Bibliography: p....

An Experimental study of the sensitivity of helicopter rotor blade tracking to root pitch adjustment in hover /

Wilkie, W. Keats.
United States. Army. Aerostructures Directorate.

January 1991

Prepared at the U.S. Army Aerostructures Directorate.Includes bibliographical references (p. 3).Mode...

An enhanced integrated aerodynamic load/dynamic optimization procedure for helicopter rotor blades /

Chattopadhyay, Aditi, 1958-
Chiu, Y. Danny.
Langley Research Center.
Lockheed Engineering & Sciences Company.
Analytical Services & Materials, Inc.

January 1990

Prepared at Analytical Services & Materials, Inc., and Lockheed Engineering & Sciences Company for L...

Performance testing of a main rotor system for a utility helicopter at 1/4 scale /

Berry, John D.
Army Research and Technology Laboratories (U.S.). Structures Laboratory.
United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch.

"April 1982"--Cover."Structures Laboratory, AVRADCOM Research and Technology Laboratories, Langley R...

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 ...

Dynamic analysis of multimesh-gear helicopter transmissions /

Choy, Fred K.
Oswald, Fred B.
Townsend, Dennis P.
Lewis Research Center.

January 1988

Prepared at Lewis Research Center."February 1988"--Cover.Includes bibliographical references (p. 7)....

Testing of UH-60A helicopter transmission in NASA Lewis 2240-kW (3000-hp) facility /

Mitchell, Andrew M.
Coe, Harold H.
Oswald, Fred B.
Lewis Research Center.

January 1986

Prepared at Lewis Research Center."August 1986"--Cover.Includes bibliographical references (p. 6).Mo...

Experimental and analytical evaluation of efficiency of helicopter planetary stage /

Abstract

Extracted data

Experimental and analytical evaluation of efficiency of helicopter planetary stage /

Abstract

Extracted data

Related items

Related items