Wind Speed
Vertical Caps
D2's/Uppers
D1's/Lowers
0 - 5 knots
-3
-2
5 - 10 knots
-1
10 - 15 knots (base)
27
15
18
15 - 20 knots
1.5
1
20 - 25 knots
3
2
25+ knots
5