Performance and Motoring
Sailing
To get an idea of what your boat speed should be in various true wind speeds check out the polar diagrams. Fin Keel
Shoal Draft (Wing)
A discussion about the differences between a fin and shoal keel. [1]
A discussion about off shore performance.[2]
Are stock sails any good? [3]
Motoring
Backing up
Prop Walk
Does a 3 blade prop improve performance?