The Effects of Extensible Rocket Racks on Lift, Drag, and Stability of a 1/10-Scale Rocket-Boosted Model of the McDonnell XF3H-1 Airplane for a Mach Number Range of 0.60 to 1.34 : TED No. NACA DE 31 Page: 3 of 43
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2 S NACA RM SL55F15
*"", INTRODUCTION
** * As part of the general external-stores program at Langley Aeronautical
* "Laboratory, the NACA is testing 1/10-scale models of the McDonnell XF3H-1
S... airplane equipped with internally stowed extensible rocket racks. These
tests are being performed to determine what effect the presence of these
rocket racks will have on the lift, drag, trim, and stability of the model
while flying at transonic speeds. The results of the first test are pre-
sented herein.
The model was supplied by the McDonnell Aircraft Corporation, and
the test was conducted by personnel of the Pilotless Aircraft Research
Division of the Langley Aeronautical Laboratory and at its testing sta-
tion at Wallops Island, Va.
SYMBOLS
aZ acceleration parallel to wing chord plane at center of gravity,
positive toward tail, ft/sec2
an acceleration perpendicular to wing chord plane at center of
gravity, positive upward, ft/sec2
at acceleration perpendicular to plane of symmetry, near center
of gravity, positive toward right wing tip, ft/sec2
b wing span, ft
CC chord force coefficient, a W
g gSwing
CD total-drag coefficient, CN sin a + CC cos a
CL total-lift coefficient, CN cos a - CC sin a
Cm pitching-moment coefficient, positive for a moment tending to
Pitching moment
raise nose
QSwing5
Yawing moment
Cn yawing-moment coefficient, wing
qSwngb
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Crabill, Norman L. The Effects of Extensible Rocket Racks on Lift, Drag, and Stability of a 1/10-Scale Rocket-Boosted Model of the McDonnell XF3H-1 Airplane for a Mach Number Range of 0.60 to 1.34 : TED No. NACA DE 31, report, June 16, 1953; (https://digital.library.unt.edu/ark:/67531/metadc59639/m1/3/: accessed April 25, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.