ADJUSTING SAIL SHAPE You can adjust the shape of the sail for different wind conditions. A sail with more draft from front to back gives you more power in light winds. A sail with less draft performs better as the wind builds and you want to depower to keep the boat under control and sailing well.
Ease the backstay
Ease the cunningham
Ease the outhaul
Power-up for Light Wind A fuller draſt adds power.
A fuller sail has more power for light winds.
A flatter sail works better in high winds.
Tighten the cunningham
Tighten the backstay
Tighten the outhaul
Depower for Stronger Winds A flatter draſt reduces power.