BAADS New Sailor Training

Topic T3A2- Sailing Theory

1) Why does a sailboat sail?

a. Watermelon Seed Theory……

b. Wind Pressure
i. True wind
ii. Apparent wind
iii. Indicators
1. Masthead fly
2. Telltales
3. Water, Smoke, Flags
iv. Lift

c. Water Resistance
i. Keel, Centerboard, Daggerboard(s) Rudder
ii. Heeling effects
1. Waterline
2. Leeway

d. Downwind Sailing
i. Dead down wind- it’s all wind pressure