US SAILING - BASIC CRUISING
EXAM
When are navigation lights required to be shown?
From sunset to sunrise or in restricted visibility
What is the combined angle of the Port and Starboard Sidelights?
What is the angle of each individually?
Combined angle is 225*
Each sidelight is 112.5*
What is the angle of the Stern Light?
135*
(360-225=135)
What is the angle of the Masthead or Steaming Light?
225*
Center of Effort
The focal point of the force of the wind on the sails.
Center of Lateral Resistance
The focal point of the force of the water on the underbody of the boat.
How to find Center of Effort on the Main Sail
EXAM
When are navigation lights required to be shown?
From sunset to sunrise or in restricted visibility
What is the combined angle of the Port and Starboard Sidelights?
What is the angle of each individually?
Combined angle is 225*
Each sidelight is 112.5*
What is the angle of the Stern Light?
135*
(360-225=135)
What is the angle of the Masthead or Steaming Light?
225*
Center of Effort
The focal point of the force of the wind on the sails.
Center of Lateral Resistance
The focal point of the force of the water on the underbody of the boat.
How to find Center of Effort on the Main Sail
