2006-2008 Four Winns Horizon 180 190 183 203 200 210 220 240 260 Boat Owners Manual

J.   The Effect of Boats Moored Along Side
2.. Excessive.or.unequally.distributed.weight.
A.boat.operator.should.be.aware.that.carbon.monox-
ide.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.concentration.on.your.boat...
See.Figure.B7.
Figure B-9: Inefficient trim angles
3.  Canvas configurations – Under various conditio-
ns,.adding.or.removing.canvas.may.raise.or.lower.
CO.levels..See.Figures.B-8,.B-9.&.B-11.
EXHAUST FUMES!
Hull exhaust from your boat can cause
excessive accumulation of poisonous carbon
monoxide gas within cockpit areas when using
protective weather coverings (while underway
or while stationary). Provide adequate ventila-
tion when the canvas top, side curtains and/or
back (aft) curtains are in their closed protective
positions.
Figure B-7: The effect of boats moored along side
K.   Backdrafting (Station Wagon Effect)
Backdrafting.or.the.“station.wagon.effect”.is.caused..
by.air.movement.over.or.around.a.boat.creating.a.low.
pressure.area.or.suction.area.around.the.stern.that.
can.increase.CO.level.on.the.boat..Backdrafting.can.
be.affected.by.relative.wind.direction,.boat.speed,..
and.boat.trim.angle..See.Figure.B-8.Backdrafting.–..
Airflows Over Boat and Behind Transom”.
4.. Opening.and.closing.ports,.hatches,.doors,.and.
windows.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.
B-10.and.B-11.
Figure B-10: Desired air flow through the boat
Figure B-8: Backdrafting - Air flows over boat
and behind transom
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:
Figure B-11: The effect of canvas configurations
1
..  Intentional.or.unintentional.excessive.trim.angle.
causing.high.bow.angle..See.Figure.B-9.
5.. Operating.a.boat.at.slow.speeds.with.a.following.
wind.should.be.avoided..Consider.changing.direc-
tion,.adjusting.speed,.or.both..See.Figure..
B-12.
Boating Safety - Section B
Owner’s Manual Page 
Product Specification
CategoriesFour Winns Manuals, Four Winns Vista Manuals, Outboard Marine Corporation Manuals
Tags, , , , , , , ,
Model Year2006, 2007, 2008
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- 217 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
CopyrightAttribution Non-commercial
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