A Lagrange-D'Alembert forumulation of the equations of motion of a helicopter carrying an externally suspended load /

Materials for helicopter gears.
Published: (1979)

A mathematical model of the UH-60 helicopter /
by: Hilbert, Kathryn B.
Published: (1984)

An aeroelastic analysis of helicopter rotor blades incorporating piezoelectric fiber composite twist actuation /
by: Wilkie, W. Keats, et al.
Published: (1996)

Helicopter impulsive noise : theoretical and experimental status /
by: Schmitz, F. H.
Published: (1983)

An experimental investigation of helicopter rotor hub fairing drag characteristics /
Published: (1989)

Helicopter model rotor-blade vortex interaction impulsive noise : scalability and parametric variations /
Published: (1984)

Aerodynamic performance of a 0.27-scale model of an AH-64 helicopter with baseline and alternate rotor blade sets /
by: Kelley, Henry L.
Published: (1990)

Calculation of flight vibration levels of the AH-1G helicopter and correlation with existing flight vibration measurements /
by: DiTaranto, R. A.
Published: (1989)

Rotating shake test and modal analysis of a model helicopter rotor blade /
by: Wilkie, W. Keats, et al.
Published: (1997)

Helicopter airborne laser positioning system (HALPS) /
Published: (1990)

Validation of helicopter gear condition indicators using seeded fault tests /
by: Dempsey, Paula, et al.
Published: (2013)

Comparison of predicted and measured temperatures of UH-60A helicopter transmission /
by: Coe, Harold H.
Published: (1989)

Unsteady velocity measurements taken behind a model helicopter rotor hub in forward flight /
by: Berry, John D.
Published: (1997)

Simulation and evaluation of SH-2F helicopter in a shipboard environment using the interchangeable cab system /
by: Paulk, Clyde H., et al.
Published: (1983)

Mars science helicopter conceptual design /
by: Johnson, Wayne, 1946-
Published: (2020)

A piloted simulation of helicopter air combat to investigate effects of variations in selected performance and control response characteristics /
by: Lewis, Michael S.
Published: (1987)

System life and reliability modeling for helicopter transmissions /
by: Savage, M., et al.
Published: (1986)

Documentation of ice shapes accreted on the main rotor of a UH-1H Helicopter in level flight : final report /
by: Hanson, M. K.
Published: (1986)

Medium-sized helicopter noise abatement flight test data report /
by: Pascioni, Kyle A.
Published: (2021)

Helicopter rotor noise due to ingestion of atmospheric turbulence /
by: Simonich, John C. (John Charles), et al.
Published: (1986)

A mathematical simulation model of a CH-47B helicopter /
by: Weber, Jeanine M., et al.
Published: (1984)

A study of the application of differential techniques to the global positioning system for a helicopter precision approach /
by: McCall, Daryl L.
Published: (1984)

Design of helicopter rotor blades for optimum dynamic characteristics /
Published: (1985)

Simulation and analysis of differential global positioning system for civil helicopter operations /
by: Denaro, Robert P., et al.
Published: (1983)

Impact of flying qualities on mission effectiveness for helicopter air combat (vol. 1) /
by: Harris, T. M.
Published: (1983)

Maneuver acoustic flight test of the Bell 430 helicopter data report /
by: Watts, Michael E.
Published: (2014)

Helicopter acoustic flight test with altitude variation and maneuvers /
by: Watts, Michael E.
Published: (2016)

Wind-tunnel evaluation of a 21-percent-scale powered model of a prototype advanced scout helicopter /
by: Phelps, Arthur E., et al.
Published: (1985)

Performance data from a wind-tunnel test of two main-rotor blade designs for a utility-class helicopter /
by: Singleton, Jeffrey D.
Published: (1990)

Simulation of nap-of-the-earth flight in helicopters /
by: Condon, Gregory W.
Published: (1991)

Simulations of the Mars helicopter test propeller in hover configuration at Martian pressure and air density /
by: Wagner, Lauren N.
Published: (2019)

An investigation of adaptive controllers for helicopter vibration and the development of a new dual controller /
by: Mookerjee, Purusottan
Published: (1986)

Fatigue life estimates for helicopter loading spectra /
Published: (1989)

Model helicopter rotor high-speed impulsive noise : measured acoustics and blade pressures /
Published: (1983)

Calculation of three-dimensional unsteady transonic flows past helicopter blades /
by: Chattot, J. J.
Published: (1980)

A survey of current rotorcraft propulsion health monitoring technologies /
by: Delgado, Irebert R.
Published: (2012)