Aerodynamic characteristics of two rectangular-plan-form, all moveable controls in combination with a slender body of revolution at Mach numbers from 3.00 to 6.25 Page: 4 of 40
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NACA RM A55J07 3
CL lift coefficient,
CD drag coefficient, q~a
Cm pitching-moment coefficient about body nose, p
control normal force
CNc control-normal-force coefficient, qS
C h hinge-moment coefficient, qSc
I body length
M Mach number
q free-stream dynamic pressure
r body radius
rb body radius at base
S control plan area, exposed
x longitudinal coordinate
x control center of pressure, fraction of control chord
EM, control center of pressure for c. variable, 8 = 00, percent of
2g control center of pressure for 8 variable, a = 00, percent of
angle of attack of body
8 control deflection angle relative to body axis, positive for down-
ward deflection of trailing edge
* o rate of change with angle of attack, , unless otherwise spec-
8 rate of change with control deflection angle, ~ unless other-
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Wong, Thomas J. & Gloria, Hermilo R. Aerodynamic characteristics of two rectangular-plan-form, all moveable controls in combination with a slender body of revolution at Mach numbers from 3.00 to 6.25, report, December 28, 1955; (digital.library.unt.edu/ark:/67531/metadc61904/m1/4/: accessed October 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.