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EXAMPLE HELICOPTER CALCULATIONS
|
page |
|
|
Disc loading |
5 |
|
Induced velocities in wake |
5 |
|
Vertical drag |
7 |
|
Power loading |
9 |
|
Power to hover, main rotor |
9 |
|
Solidity |
16 |
|
CjIg |
18 |
|
Average lift coefficient |
18 |
|
Tip angle |
19 |
|
Collective pitch |
20 |
|
Average drag coefficient |
24 |
|
Lock number |
31 |
|
Coning in hover |
32 |
|
Main rotor tip loss factor |
34 |
|
Effective disc loading |
35 |
|
Effective induced velocity |
35 |
|
Tip angle with tip and root losses |
36 |
|
Hover power with tip and root losses |
36 |
|
Blade element conditions |
41 |
|
Effect of twist |
42 |
|
Power due to wake rotation |
52 |
|
Ground effect |
68 |
|
Main rotor hover power |
75 |
|
Tail rotor hover power |
75 |
|
Blade element conditions |
76 |
