Lesson 1
How your boat moves ahead
Fixed propeller shaft, outboard motor, sterndrive, waterjet, twin propellers and bow thruster: how each drive pushes and steers.
9 steps · 6 questionsKVB1 complete
Klein Vaarbewijs 1 (small craft licence 1) · Chapter 2
Propeller, rudder and manoeuvring
How your boat moves ahead, steers, turns, berths and stops, also with wind and current.
7 lessons42 questions
About this chapter
How a boat responds to throttle and steering depends on its drive. A propeller on a fixed shaft with a rudder behind it steers differently from an outboard motor that you turn as a whole, or a waterjet that steers with a jet of water.
In lesson 1 you get to know the drives that come up in the exam. After that it is about what the propeller and the rudder do, and about turning, berthing, leaving and stopping, also with wind and current.
Lessons
Get your licence with KVB1 complete.
With KVB1 complete you open every lesson and test.
Continue with lesson 1 · €10- Lesson 2
Propeller and prop walk
What the propeller does, pitch, right-handed and left-handed propellers, and how prop walk pulls the stern sideways.
9 steps · 6 questionsKVB1 complete - Lesson 3
The rudder
Why a rudder needs flowing water, what the stern does, the pivot point, and steering astern with a fixed propeller or an outboard motor.
9 steps · 6 questionsKVB1 complete - Lesson 4
Turning circle and turning around
The turning circle, why a right-handed propeller turns tighter over port going ahead, and turning around on open and on narrow water.
9 steps · 6 questionsKVB1 complete - Lesson 5
Berthing, mooring lines and leaving
Bow line, stern line, bow spring and stern spring, fenders, berthing without wind and leaving on the bow spring.
8 steps · 6 questionsKVB1 complete - Lesson 6
Wind and current
Lee shore and weather shore, wind from astern, berthing against the current, going with and against the current, holding against the current and leaving a lee shore.
9 steps · 6 questionsKVB1 complete - Lesson 7
Bow thruster, stopping distance and emergency stop
Berthing and turning with the bow thruster, what a bow thruster cannot do, the stopping distance and the emergency stop.
9 steps · 6 questionsKVB1 complete
Test
Chapter test
12 questions from all seven lessons. You answer everything first and then see your result, with an explanation for each question.