An.engine.that.is.not.developing.full.power.and.the.load.
carried.in.a.boat.will.directly.affect.performance.of.the.
engine..Always.be.sure.the.engine.is.properly.tuned.
and.load.conditions.are.those.normally.experienced,.
before.changing.propellers.
30
TO
5
0
For.additional.information.on.factors.affecting.perfor-
mance,.please.consult.your.Four.Winns.dealer.
Boat Properly Trimmed
E - 5 RUNNING ANGLE & POWER
TRIM/TILT
Boat Too High - Trim Bow “Down”
Hull.planing.surfaces.have.the.least.amount.of.drag.
at a three to five degree angle with the water. This is
the.preferred.running.angle.when.boating..The.run-
ning angle has a significant impact on top speed and
handling..See.Figure.E2..Heavy.load.or.certain.water.
conditions may make it difficult to achieve the optimum
running.angle..The.running.angle.can.be.controlled.
through.the.use.of.the.power.trim..
Boat Too Low - Trim Bow “Up”
Figure E2: Running Angle
A. Power Trim
E - 6 TRIM TABS
Trim.angle.is.how.far.in.or.out,.the.drive.is.positioned..
in.relation.to.the.bottom.of.the.boat..The.trim.angle.of.
the.drive.has.a.distinct.affect.on.the.running.angle..
of.the.boat..
Electric/hydraulic.trim.tabs.are.standard.on.the.310.
Horizon™ models. Trim tabs help provide maximum
control.of.the.hull.in.all.water.and.load.conditions..
Used.properly,.trim.tabs.can:.
The.power.trim.system.permits.control.of.the.trim.angle.
of.the.drive.relative.to.the.boat,.at.the.touch.of.a.button..
It.allows.the.drive.to.be.raised.for.shallow.water.opera-
tion..Power.trim.also.allows.the.operator.to.adjust.the.
drive.while.underway.to.provide.the.ideal.running.angle.
for.a.given.load.and.water.condition..Additional.infor-
mation.can.be.found.in.the.engine.operator’s.manual.
included.in.the.owner’s.packet..
a.. Compensate.for.wind.and.load.listing.(level.the.
boat.side.to.side).
b.. Induce.faster.planing.and.help.achieve.optimum.
running.angle.(see.Section.E5.-.Running.Angle.&.
Power.Trim/Tilt).
The.proper.use.of.electric/hydraulic.trim.tabs.requires.
a.basic.understanding.of.trim.tab.operation.and.some.
practice.in.calm.water..Be.sure.to.read.the.manufac-
turer’s.literature.included.in.the.owner’s.packet.
B. Power Tilt
Power.tilt.allows.the.operator.to.raise.and.lower.the.
drive.for.trailering,.launching,.and.beaching..Additional.
information.on.power.tilt.can.be.found.in.the.engine.
operator’s.manual.included.in.the.owner’s.packet.
The.trim.tab.control.uses.two.(2).momentary-type.
rocker.switches...See.Figure.E3...The.trim.tab.switch-
es.control.the.attitude.or.position.of.the.boat...The.
trim tab switches are labeled for “Port” and “Stbd”.
NOTICE
DO NOT operate the motor with the water
intakes out of the water. Severe damage to the
engine systems can result. Consult the engine
operator’s manual for specific information.
Engines and Instrumentation - Section E
Owner’s Manual Page
| Categories | Four Winns Manuals, Four Winns Vista Manuals, Outboard Marine Corporation Manuals |
|---|---|
| Tags | Four Winns Horizon 310 |
| Model Year | 2007, 2008 |
| Download File |
|
| Document Type | Owner's Manual |
| Language | English |
| Product Brand | Boats and Cruisers, Four Winns. For support contact your dealer at http://www.fourwinns.com/locate-dealer.aspx |
| Document File Type | |
| Publisher | fourwinns.com |
| Wikipedia's Page | Outboard Marine Corporation |
| Copyright | Attribution Non-commercial |
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