Static Stability
v
.....
......
, ....
-%°
NATIONAL
ADVISORY
COMMITTEE
FOR AERONAUTICS
REPORT
No. 572
DETERMINATION -;
OF THE
CHARACTERISTICS WINGS
OF TAPERED
By RAYMOND
F. ANDERSON
./
/
.!
REPRINT
OF REPORT
No. $'/2, ORIGINALLY
PUBLISHED
FEBRUARY
15J_7
r
B..t
.f
.......
--i.
REPRODUCED qY
NATIONAL TECHNICAL INFORMATION SERVICE
U. S OEPARFMENFOF Cr_MMERCt
\ 1940
i
AERONAUTIC I. FUNDAMENTAL Metrio Symbol Unit
SYMBOLS AND DERIVED UNITS English i [ Abbrevia•t tion m s kg _........ kph 'rope SYMBOLS,
Unit
Abbreviafinn ft(or mi) sec(or hr) Ib hp
Length ....... Time ........ Fores ........
t F
meter .............. 2.. _ second ................. weight of I kilogram ...... horsepower (metric) ........ fkilometers per hour ...... 1.meters per second.._ __.__ 2. GENERAL
foot (or mile) .......... second (or hour) ........ weight of 1 pound ...... horsepower _._ ....... _ miles per hour ......... feet per second ........
Power.
_
....
".
P.
Speed .......
V
W g m I # S
Weight=rag Standard acceleration or 32.1740 ft/sec 2. Mass== W
of gravity=9.80665
m/s _
Moment g of inertia----m_. (Indicate axis radius of gyrationk by proper subscript.) Coefficient viscosity of
v Kinematic viscosity p Density (mass per unit volume) Standard density of dry air, 0.12497 kg-m-4-s 2 at 15 ° C . and 760 ram; or 0.00.0378 lb-ft-' sec 2 'Specific weight of "standard" air, 1.2255 kg/m a or of 0.076511b/cuft , "" . . SYMBOLS _ Angle of setting of wings (relative to thrust line) Angle _ of stabilizer setting (relative to thrust • line). Resultant Resultant Reynolds moment angular number, velocity
$. AERODYNAMIC ,' i, Area of Wing. Gap Span Chord Aspect True ratio, air speed pressure, 1 _pV Cz--_ Ca-- D C' Do vo _-_ Cm=q_ C_=q_ C= ¢ C q-_ a . a, a, a_ ba _v •• . st
s.
G b e A V q L D
Q
0 R
Dynamic Lift,
absolute
coefficient coefficient
.....
......
, ....
-%°
NATIONAL
ADVISORY
COMMITTEE
FOR AERONAUTICS
REPORT
No. 572
DETERMINATION -;
OF THE
CHARACTERISTICS WINGS
OF TAPERED
By RAYMOND
F. ANDERSON
./
/
.!
REPRINT
OF REPORT
No. $'/2, ORIGINALLY
PUBLISHED
FEBRUARY
15J_7
r
B..t
.f
.......
--i.
REPRODUCED qY
NATIONAL TECHNICAL INFORMATION SERVICE
U. S OEPARFMENFOF Cr_MMERCt
\ 1940
i
AERONAUTIC I. FUNDAMENTAL Metrio Symbol Unit
SYMBOLS AND DERIVED UNITS English i [ Abbrevia•t tion m s kg _........ kph 'rope SYMBOLS,
Unit
Abbreviafinn ft(or mi) sec(or hr) Ib hp
Length ....... Time ........ Fores ........
t F
meter .............. 2.. _ second ................. weight of I kilogram ...... horsepower (metric) ........ fkilometers per hour ...... 1.meters per second.._ __.__ 2. GENERAL
foot (or mile) .......... second (or hour) ........ weight of 1 pound ...... horsepower _._ ....... _ miles per hour ......... feet per second ........
Power.
_
....
".
P.
Speed .......
V
W g m I # S
Weight=rag Standard acceleration or 32.1740 ft/sec 2. Mass== W
of gravity=9.80665
m/s _
Moment g of inertia----m_. (Indicate axis radius of gyrationk by proper subscript.) Coefficient viscosity of
v Kinematic viscosity p Density (mass per unit volume) Standard density of dry air, 0.12497 kg-m-4-s 2 at 15 ° C . and 760 ram; or 0.00.0378 lb-ft-' sec 2 'Specific weight of "standard" air, 1.2255 kg/m a or of 0.076511b/cuft , "" . . SYMBOLS _ Angle of setting of wings (relative to thrust line) Angle _ of stabilizer setting (relative to thrust • line). Resultant Resultant Reynolds moment angular number, velocity
$. AERODYNAMIC ,' i, Area of Wing. Gap Span Chord Aspect True ratio, air speed pressure, 1 _pV Cz--_ Ca-- D C' Do vo _-_ Cm=q_ C_=q_ C= ¢ C q-_ a . a, a, a_ ba _v •• . st
s.
G b e A V q L D
Q
0 R
Dynamic Lift,
absolute
coefficient coefficient