For General Aviation aircraft , the nacelle weight according to Torenbeek method is computed from:
where typical values for the factors are:
Engine Type |
|
|
|
Single Engine
|
2.5 |
0.0 |
0.5 |
Multi Engines |
|
|
|
Horizontally Opposed Piston Engines |
0.320 |
0.0 |
1.00 |
Radial Piston Engines |
0.045 |
-0.25 |
1.25 |
Turboprop Engines |
0.140 |
0.0 |
1.00 |