ABOUT WINGLETS - Ultraligero.Net
ABOUT WINGLETS - Ultraligero.Net
ABOUT WINGLETS - Ultraligero.Net
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∆∆L/D %<br />
%<br />
3<br />
2<br />
1<br />
0<br />
-1<br />
Discus 2 WL, 685 lbs<br />
Discus 2 WL, 1160 lbs<br />
40 60 80 100 120<br />
V (kts)<br />
Fig. 7 Percentage gain in predicted lift-to-drag ratios due to<br />
winglets for unballasted and ballasted Discus 2.<br />
∆V CC %<br />
5<br />
4<br />
3<br />
2<br />
1<br />
0<br />
-1<br />
Baseline: Discus 2, 685 lbs<br />
Discus 2 WL, 685 lbs<br />
Discus 2, 1160 lbs<br />
Discus 2 WL, 1160 lbs<br />
2 4 6 8 10<br />
Thermal Strength (kts)<br />
Fig. 8 Percentage gain in predicted average cross-country speed<br />
due to winglets and ballast relative to unballasted Discus 2 (685 lbs)<br />
without winglets.
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