Report of the Second Piloted Aircraft Flight Control System - Acgsc.org
Report of the Second Piloted Aircraft Flight Control System - Acgsc.org
Report of the Second Piloted Aircraft Flight Control System - Acgsc.org
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APPENDIX - bsYMmLS<br />
The following symbols are used in this analysis:<br />
ratio <strong>of</strong> output amplitude at a given frequency to <strong>the</strong> output amplitude<br />
at zero frequency<br />
piston area, sq in.<br />
constant<br />
constant<br />
inertia index (transient response)<br />
inertia index (frequency response)<br />
low frequency band break frequency, cycles/sec<br />
high frequency band break frequency, cycles/sec<br />
cross-over frequency, cycle~/sec<br />
width <strong>of</strong> vane, rotary servomotor, in.<br />
polar moment <strong>of</strong> inertia, lb-in. sec2/rad<br />
inner radius, rotary servomotor vane, in.<br />
outer radius, rotary servomotor vane, in.<br />
lomi mass, lb sec2/in.<br />
upstream cylinder pressure, lb/sq in. abs<br />
downstream cylinder pressure, lb/sq in. abs<br />
drain pressure, lb/sq in. abs<br />
supply pressure, lb/sq in. abs<br />
ratio <strong>of</strong> valve travel to piston travel at fixed input<br />
ratio <strong>of</strong> valve travel to vane shaft rotation at fixed input, in./rd<br />
magnitude <strong>of</strong> step (measured at output), in.<br />
amplitude <strong>of</strong> output sine wave at zero frequency, in.
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