2004-2008 Four Winns Vista 248 268 288 288 298 328 348 Boat Owners Manual

Figure B7:The effect of sea walls and other confined spaces.
Be aware that cockpit and deck drains can be a source
of CO ingress into boats, especially boats with cockpit
or decks  enclosed  with canvas  or permanent  boat
structures.
Figure B9:  Backdrafting - Air flows over boat and
behind transom.
1.
2.
Intentional  or unintentional  excessive  trim  angle
causing high bow angle. See Figure B10.
J.
The Effect of Boats Moored Alongside
Excessive or unequally distributed weight.
A boat operator should be aware that carbon monoxide
is emitted  from any  boat’s exhaust.   The operation,
mooring, 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 their boat on other boats in the
area.  Of prime concern is the operation of an auxiliary
generator where  boats are  moored along side  each
other.  Be aware of the effect your exhaust may have
on other boats and be aware that the operation of other
boats’ equipment may affect the carbon monoxide con-
centration on your boat. See Figure 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 monox-
ide gas within cockpit areas when using protec-
tive 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 positions.
K.   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 or suction area around the stern that can in-
crease 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.
When airflow is moving forward inside the boat, CO
may be entering the boat. See Figures B11 andB12.
Under certain speed and operating conditions the low
pressure area  may form in other  regions and permit
carbon monoxide to enter the hull through openings that
are not on  the back of  the boat.  Boat  factors which
may affect CO concentration:
Vista™ Owner’s Manual
Section B
Page 7
Product Specification
CategoriesFour Winns Manuals, Four Winns Vista Manuals, Outboard Marine Corporation Manuals
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Model Year2004, 2005, 2006, 2007, 2008
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- 348 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
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Wikipedia's PageOutboard Marine Corporation
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2004-2008 Four Winns Vista 248 268 288 288 298 328 348 Boat Owners Manual SKU UPC Model
Michael on Feb 03, 2014.

i like this boat


jorge on Oct 22, 2012.



jorge on Oct 22, 2012.



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