A Mathematical Model of a Single Main Rotor Helicopter for ... - Read
A Mathematical Model of a Single Main Rotor Helicopter for ... - Read
A Mathematical Model of a Single Main Rotor Helicopter for ... - Read
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Name<br />
Aircraft mass and inertia<br />
Aircraft weight<br />
Aircraft roll inertia<br />
Aircraft pitch inertia<br />
Aircraft yaw inertia<br />
Aircraft cross product <strong>of</strong> inertia<br />
Center <strong>of</strong> gravity stationline<br />
Center <strong>of</strong> gravity waterline<br />
Center <strong>of</strong> gravity buttline<br />
Fuselage (Fus)<br />
Fus aerodynamic reference point<br />
stat ion line<br />
Fus aerodynamic reference point<br />
wa t er 1 ine<br />
Fus drag, c1 = B = 0<br />
Fus drag, variation with ci<br />
Fus drag, variation with a2<br />
Fus drag, variation with B2<br />
Fus drag, cx = 90"<br />
Fus drag, 6 = 90"<br />
Fus lift, a = B = 0<br />
TABLE J-1. - Continued .<br />
A1 g eb ra ic C ompu t e r Examp le<br />
Units<br />
symbol mnemonic value<br />
- LO<br />
q<br />
WAITIC<br />
XIXXIC<br />
XIYYIC<br />
XIZZIC<br />
XIXZIC<br />
STACG<br />
WLCG<br />
BLCG<br />
STAACF<br />
WLACF<br />
D1<br />
D2<br />
D3<br />
D4<br />
D5<br />
D6<br />
lb<br />
slug-f t<br />
slug-f t<br />
slug-f t<br />
slug-f t<br />
in.<br />
in.<br />
in.<br />
in.<br />
in.<br />
f t2<br />
f t2/rad<br />
f t /rad2<br />
f t2/rad2<br />
f t2<br />
f t2<br />
XLO ft2<br />
8000<br />
2700<br />
12800<br />
10800<br />
950<br />
196<br />
73<br />
0<br />
200<br />
54<br />
5.5<br />
-4.01<br />
41.56<br />
141.16<br />
84.7<br />
156.1<br />
-4.11<br />
Fus lift, variation with a<br />
a (L/q)<br />
aa<br />
XL1 f t2/rad 15.64<br />
Fus side <strong>for</strong>ce, variation with B a (Y/q)<br />
a6<br />
Y1 f t2/rad 93.85<br />
Fus rolling moment, variation with<br />
B<br />
a(R/q)<br />
at3 YL1 ft3/rad 246.31<br />
Fus rolling moment, B = 90" YL2 ft3 0<br />
43