2001-2003 Four Winns Horizon 180 190 200 Owners Manual

Aboatoperatorshouldbeawarethatcarbonmonoxideis
emitted from any boat’s exhaust. The operation, moor-
ing, and anchoring in an area containing other boats may
be in an atmosphere containing CO not of the operator’s
making.  An operator likewise needs to be aware of the
effect of his actions on other boats. Of prime concern is
the operation of an auxiliary generator with boats moored
along side each other.  Be aware of the effect your ex-
haust may have on other vessels and be aware that the
operation of other vessel’s equipment may affect the car-
bon monoxide concentration on your vessel.  See Fig-
ure B8.
Figure B10:  Inefficient trim angles.
3.
Canvas Configurations - Under various conditions,
adding or removing canvas may raise or lower CO
levels.  See Figures B9, B10 & B12.
Exhaust Fumes!
Figure B8:   The effect of boats moored along side.
Hull exhaust from your boat can cause exces-
sive accumulation of poisonous carbon  mon-
oxide gas within cockpit areas when using pro-
tective weather coverings (while underway or
while stationary). Provide adequate ventilation
when the canvas top, side curtains and/or back
(aft) curtains are in their closed protective po-
sitions.  (See Preface for actual warning label
regarding  carbon monoxide  and weathering
cover/canvas.)
J.
Backdrafting (Station Wagon Effect)
Backdrafting or the “station wagon effect” is caused by
air movement over or around a boat creating a low pres-
sure area of  suction area around the stern  which can
increase CO level on the boat. Backdrafting can be af-
fected by relative wind direction, boat speed, and boat
trim angle.  See Figure B9 Backdrafting - Airflows Over
Boat and Behind Transom”.
4.
Opening and closing ports, hatches, doors, and win-
dows may raise or lower CO levels on board a boat.
See Figures B11 and B12.
Under certain speed and  operating conditions the low
pressure area may form in other regions and permit car-
bon monoxide to  enter the hull through  openings that
are not on the back  of the vessel.  Boat factors which
may affect CO concentration:
Figure B11:  Desired air flow through the boat.
Figure B9:  Backdrafting - Air flows over boat and
behind transom.
1.
2.
Inefficient trim angle. See Figure B10.
Excessive or unequally distributed weight.
Figure B12:  The effect of canvas configurations.
180/190/200
Owner’s Manual
08/01
Horizon
Section B
Page 7
Product Specification
CategoriesFour Winns Manuals, Outboard Marine Corporation Manuals
Model Year2001, 2002, 2003
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- 131 pages
Document TypeOwner's Manual
LanguageEnglish
Product BrandBoats and Cruisers, Four Winns. For support contact your dealer at http://www.fourwinns.com/locate-dealer.aspx
Document File TypePDF
Publisherfourwinns.com
Wikipedia's PageOutboard Marine Corporation
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