Helicopter Sizing by Statistics - Faculty of Aerospace Engineering
Helicopter Sizing by Statistics - Faculty of Aerospace Engineering
Helicopter Sizing by Statistics - Faculty of Aerospace Engineering
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Tail Rotor Diameter (m)<br />
8<br />
7<br />
6<br />
5<br />
4<br />
3<br />
2<br />
1<br />
0<br />
AHS Forum 58, June 2002<br />
USAAMRDL Report 1974:<br />
RAPID/RaTE analysis:<br />
Tail Rotor Diameter<br />
Database configurations<br />
Estimation<br />
FENESTRON Estimation<br />
FENESTRON configurations<br />
0 10000 20000 30000 40000 50000 60000<br />
Gross Weight (kg)<br />
2<br />
D/ D = [. 70÷ 73 .] − . 27DL{ lb/ ft }<br />
TR<br />
2<br />
D/ D = 688 . − . 19DL{ lb/ ft }<br />
TR<br />
D .0895 W 0<br />
TR =<br />
.<br />
D<br />
W<br />
ε ε<br />
where TR is in [ m] and 0 is in [ kg]<br />
( AVER = 8%, MAX = 25%, R = . 9754)<br />
.3081 W<br />
0<br />
0 154 .<br />
<strong>Faculty</strong> <strong>of</strong> <strong>Aerospace</strong> Eng., Technion - I.I.T.<br />
D<br />
TR<br />
F<br />
=<br />
0 391<br />
16
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