Wind tunnel investigation of helicopter directional control in rearward flight in ground effec
A theoretical analysis indicates that, for rotors, ground effect decreases rapidly with increases in...
Helicopter flight investigation of effects of gross changes in static directional stability on v/sto...
Aerodynamic interference between the main and tail rotor can have a strong negative influence on the...
A joint U.S. Army/NASA flight investigation was conducted utilizing a single-rotor helicopter to det...
Theoretically derived charts and equations are presented by which tail-rotor design studies of direc...
The results are presented of a wind tunnel investigation to determine the tail contribution to the d...
Ground proximity effects on longitudinal, lateral, and control aerodynamic characteristics of tilt w...
Prepared at Langley Research Center.Cover title.Includes bibliographical references (p. 14).Mode of ...
Since the author has always been interested in Aeronautical Engineering, and in particular, rotary-w...
Since the author has always been interested in Aeronautical Engineering, and in particular, rotary-w...
An investigation of the lateral-directional flying qualities of a tandem-rotor helicopter in forward...
Flight test with large helicopter showing trends of lateral and longitudinal control response with s...
Wind tunnel measurements show that the wake of a rotor, except at near-hovering speeds, is not like ...
As part of the general helicopter research program being undertaken by the National Advisory Committ...
The charts indicate, and flight tests confirm, that the region of vortex roughness which is similar ...
A theoretical analysis indicates that, for rotors, ground effect decreases rapidly with increases in...
Helicopter flight investigation of effects of gross changes in static directional stability on v/sto...
Aerodynamic interference between the main and tail rotor can have a strong negative influence on the...
A joint U.S. Army/NASA flight investigation was conducted utilizing a single-rotor helicopter to det...
Theoretically derived charts and equations are presented by which tail-rotor design studies of direc...
The results are presented of a wind tunnel investigation to determine the tail contribution to the d...
Ground proximity effects on longitudinal, lateral, and control aerodynamic characteristics of tilt w...
Prepared at Langley Research Center.Cover title.Includes bibliographical references (p. 14).Mode of ...
Since the author has always been interested in Aeronautical Engineering, and in particular, rotary-w...
Since the author has always been interested in Aeronautical Engineering, and in particular, rotary-w...
An investigation of the lateral-directional flying qualities of a tandem-rotor helicopter in forward...
Flight test with large helicopter showing trends of lateral and longitudinal control response with s...
Wind tunnel measurements show that the wake of a rotor, except at near-hovering speeds, is not like ...
As part of the general helicopter research program being undertaken by the National Advisory Committ...
The charts indicate, and flight tests confirm, that the region of vortex roughness which is similar ...
A theoretical analysis indicates that, for rotors, ground effect decreases rapidly with increases in...
Helicopter flight investigation of effects of gross changes in static directional stability on v/sto...
Aerodynamic interference between the main and tail rotor can have a strong negative influence on the...