Rules of Thumb 路 Speed & Smarts
David Dellenbaugh鈥檚 Speed & Smarts book: wind shifts, clear air, longer tacks and laylines.
SAILING THEORY
Upwind Leg
Shifts, pressure, laylines and course choices.
Where to tack?
Choose where to sail before deciding how to handle another boat. Learn to read shifts, find clear air, cover a rival and avoid sailing beyond the layline.
Coming soon 路 next course releaseQuiz 4 路 scheduled
Shifts & Power
Recognize the wind pattern, then decide whether your boat needs speed and power or more height.
Coming soon 路 next course releaseQuiz 3 路 scheduled
Avoid laylines
Keep options open: do the longer tack first and choose the short tack carefully.
Coming soon 路 next course releaseOpen quiz 2
Covering and protecting a lead
Choose the side to protect, then use a loose or tight cover to support that plan.
Coming soon 路 next course releaseQuiz 6 路 scheduled
Loose cover
Control separation and stay on the side you want without deliberately forcing the other boat to tack.
Coming soon 路 next course releaseQuiz 7 路 scheduled
Tight cover
Use disturbed air deliberately when encouraging a tack supports the side you want to protect.
Coming soon 路 next course releaseQuiz 8 路 scheduled
Championship Sailing
Prepare well, start in clear air and use a consistent strategy across a championship.
Coming soon 路 next course releaseOpen quiz 1
Open a lesson for its full notes, diagrams, animations and related quiz.