Digital system gives pilot partial command when primary system fails. Emergency system provides digital control of rigid circulation-control rotor for experimental X-wing aircraft. In addition to centering collective-pitch control, new command provides limited roll control via collective pitch and gyroscopic decoupling in pitch and aerodynamic decoupling.
Emergency Control for a Circulation-Control Helicopter Rotor
NASA Tech Briefs ; 11 , 6
1987-06-01
Miscellaneous
No indication
English