The report proposes a simple approach to automatic control for flying zero-G and subgravity maneuvers in a JC-131 aircraft. The method outlined involves modifying the aircraft's autopilot to sense and control pitch acceleration instead of pitch displacement. A parabolic display-control unit, designed to provide a visual display for zero-G flying, is used to develop an acceleration error signal to control the aircraft through a modified autopilot. Instrumentation and changes necessary to adapt the E-4 autopilot for zero-G and subgravity flying are discussed. Also discussed is a solution to the problem of extending the time a capsule may be kept in a zero-G free-floating state through use of a modified type B-7 flight controller and a third pilot controlling the aircraft from the float compartment. (Author)
Proposed Automatic Control System for Flying Zero Gravity and Subgravity Maneuvers in the C-131 Airplane
1969
22 pages
Report
Keine Angabe
Englisch
Aircraft , Transport planes , Pressure pattern flight , Automatic pilots , Flight control systems , Modification kits , Acceleration , Servomechanisms , Television display systems , Wiring diagrams , Reliability(Electronics) , Weightlessness , C-131 aircraft , JC-131 aircraft , Parabolic flight , Aircraft modification
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