Some people think that the torque, or turning motion, of the engine’s propeller causes a boat to make the tight circles that threaten to overrun those who have fallen or been thrown overboard into the water.
That’s not the case.
Leaving aside for the moment why you might be ejected from your boat, here’s what causes the so-called “circle of death.”
At the helm, you are gripping the wheel. Some event occurs that causes you to be ejected from the boat. Instinctively, you are holding on to that wheel, and so, as you go overboard, the wheel is turned, your hands being the last things in contact with the boat (unless you hit a tower, arch, outrigger or windshield on the way overboard). Now you are in the water, and…
