Klapje vooruit, klapje achteruit...

Invarend sluis Gaarkeuken moet er gemanoeuvreerd worden. Even achteruit, klapje vooruit, achteruit, enz. Entering Gaarkeuken Lock theres need for some manouvering. This type of engine does not have a gearbox or the like. The engine can turn both ways. That's why it stops and starts every time.