Stern turbulence
WARNING!
Carbon Monoxide Poisoning. When the boat moves
forward, an area of lower pressure air is formed behind
the boat — so-called turbulence. In certain conditions,
this turbulence can be powerful enough to draw the
exhaust fumes into the cockpit or cabin, creating a risk
of carbon monoxide poisoning to people on board.
The turbulence problem is most pronounced on tall,
broad-beamed boats with a transom stern. But even for
other boat types, low-pressure suction can be a
problem in certain conditions, such as driving with
cockpit awnings rigged. Other factors that can increase
the effect of turbulence are wind conditions, load
distribution, swell, trim, open hatches and ventilators
etc.
Most modern boats are, however, designed so that the
problem of low-pressure suction is very rare. Should
turbulence nevertheless occur, hatches or ventilators
must not be opened since this might exacerbate the
problem. Instead, try to change the speed, trim or load
distribution. If possible, take down or open the cockpit
awning. Contact your boat dealer for the best solution
for your boat.
Safety Information
14 47713726 12-2021 © AB VOLVO PENTA
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