Table 12: Pitch trim strategies for lowest cruise drag.
Case |
Baseline |
Strategy II |
Strategy X |
|
Concept |
Untrimmed cruise |
Deflection of elevator only |
Most effective control surfaces deflected |
|
Deflections |
δ1 δ2 δ3 δ4 δ5 |
0.0° 0.0° 0.0° 0.0° 0.0° |
10.367° 0.0° 0.0° 0.0° 0.0° |
3.7402° 0.0° 0.0° 0.0° -8.6295° |
Cruise |
α CD ΔCD (counts) ΔCD/ CD (%) |
0.71789° 0.569 0 0 |
2.0727° 0.00551 -18 -3.2 |
0.71789° 0.00554 -15 -2.6 |