Transcript pe/bss/04 handling boat Augmented

Chapter
4
Handling Your Boat
Boating Skills And Seamanship
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Lesson Objectives
Boating Skills And Seamanship
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1/3 rule & fueling
Gas in bilge
Propeller operation & selection
Boat maneuvering & trimming
Boat loading/safe conduct
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Lesson Objectives (2)
Boating Skills And Seamanship
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Man overboard/pre-trip checks
Departing & returning to a dock
Anchoring
Towing a skier
Adverse weather
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Fueling Your Boat
Boating Skills And Seamanship
• What should you do prior to fueling?
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Fueling Your Boat
Boating Skills And Seamanship
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Turn of engines
Close doors/hatches
Turn off electrical equip.
Extinguish open flames; no smoking
Turn off galley heaters and stoves
Instruct crew on safe practices
Ground fuel nozzle to boat prior to pumping
and keep it grounded while pumping
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Fueling Your Boat
Boating Skills And Seamanship
• What are some steps
to take after fueling?
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Fueling Your Boat
Boating Skills And Seamanship
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Open doors/hatches.
Run blower 4 minutes.
Clean up fuel spills.
Sniff for fumes.
Have a fire extinguisher at hand.
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Fueling Your Boat
Boating Skills And Seamanship
• Gas in bilge
• Portable gas tanks
• Fill on dock after grounding
• Remove from pick-up bed and ground before
filling
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Fuel Usage
Boating Skills And Seamanship
• 1/3 rule for round trips
• 1/3 tank for trip out
• 1/3 tank returning home
• 1/3 tank in reserve
• Refueling along the way
• Calculate fuel consumption and allow for reserve
• 20% reserve
• 10% reserve
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Your Boat’s Propeller
Boating Skills And Seamanship
• Diameter
• Pitch
• Size
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Propeller
Characteristics
Boating Skills And Seamanship
• Who can describe how a twin screw
propeller works?
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Propeller
Characteristics
Boating Skills And Seamanship
• What is the function of the shear pin?
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Shear Pin or Slip Hub
Boating Skills And Seamanship
• Weak point in connection of propeller
to shaft
• Breaks before drive shaft and gears
are damaged.
• Propeller often destroyed first
• Carry spares
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Propeller
Characteristics
Boating Skills And Seamanship
• Cavitation
• bubbles of partial vacuum that appear around
blades due to a small prop
or too much pitch.
• Ventilation
• air sucked down into the blades.
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Propeller Selection
Boating Skills And Seamanship
• How do you select a propeller?
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Steering
Boating Skills And Seamanship
• How does driving a boat differ from
driving a car?
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Steering
Boating Skills And Seamanship
• Car
• Front wheels steer in direction you want to go
• Boat
• Stern steers in opposite direction
• Use spring line to control movement
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Steering
Boating Skills And Seamanship
• Pivot point
• Stopping a boat
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Steering
Boating Skills And Seamanship
• Single inboard engines
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Single Propeller vs.
Twin Propellers
Boating Skills And Seamanship
• Advantages?
• Disadvantages?
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Twin Propellers
Steering techniques
Boating Skills And Seamanship
• Steer with rudder when at speed
• Use differential prop thrust at dock
• Use both rudder and thrust to walk
sideways
• Forward on port, reverse on starboard to swing
bow to starboard
• Since forward prop has more thrust, rudder to
port with above also moves stern to starboard
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Tilt Adjustment
Boating Skills And Seamanship
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Jet Drives
Boating Skills And Seamanship
• Propulsion
• Steering
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Loading Your Boat
Boating Skills And Seamanship
• What are some considerations?
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Loading Your Boat
Boating Skills And Seamanship
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Balance
Trim
Don’t overload; what sea condition
Secure load so does not shift
Safety
• No riding on gunwale, seat backs, transom or
bow
• Don’t stand
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Before You Go
Boating Skills And Seamanship
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Brief guests
Get weather report
Check emergency equipment
Check gas and oil
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Engine Start Up
Boating Skills And Seamanship
• What are things to check when starting
the engine?
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Undocking Situations
Boating Skills And Seamanship
• Leaving dock /
wind and current
off dock
• Demonstrate
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Undocking Situations
Boating Skills And Seamanship
• Leaving dock
wind and
current on
bow
• Demonstrate
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Undocking Situations
Boating Skills And Seamanship
• Leaving dock
wind and current
on bow
• What if wind and
current on stern?
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Turning in Narrow
Channel
Boating Skills And Seamanship
• Wind on stern
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Watch Your Wake
Boating Skills And Seamanship
• May cause damage
• Obey No Wake Zones
• Liability
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Man Overboard
Boating Skills And Seamanship
• What actions do you
take?
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Man Overboard
Boating Skills And Seamanship
• Sound alarm indicating which side the
person fell over. (Helm turns toward that
side, moving stern away)
• Deploy throw cushion or life ring.
• Maintain a spotter
• Turn boat around.
• Approach PIW slowly with bow in wind
• Engines in neutral
• Prepare ladder
• Retrieve PIW
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Docking
Boating Skills And Seamanship
• No wind
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Docking
Boating Skills And Seamanship
• Wind off dock
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Docking
Boating Skills And Seamanship
• Wind on dock
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Mooring to Permanent
Anchor
Boating Skills And Seamanship
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Anchoring
Boating Skills And Seamanship
• Rode
• Shackle
• Thimble
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Anchoring
Boating Skills And Seamanship
• Why are anchors different?
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Types of Anchors
Boating Skills And Seamanship
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Bruce
Fisherman
Plow
Danforth
Spade
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Anchoring
Boating Skills And Seamanship
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Carry two anchors
Check bottom
Use correct scope
Check your position
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Anchoring
Boating Skills And Seamanship
• What is proper scope in calm water?
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Anchoring
Boating Skills And Seamanship
• What are the steps
to deploy anchor?
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Anchoring
Boating Skills And Seamanship
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Boat’s Motion
Lowering Anchor
Setting Anchor
Anchor Dragging
Deck Fastenings
Checking Position
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Towing a Skier
Boating Skills And Seamanship
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Have an observer
Good towline
Signaling
Obey the rules
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Towing a Skier
Boating Skills And Seamanship
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Heavy Weather
Boating Skills And Seamanship
• Running into a sea
• Running in a beam sea
• Broaching
• Running in a following sea
• Pitchpoling
• Yawing
• Using a drogue
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Impaired Visibility
Boating Skills And Seamanship
• Fog
• Rain
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Narrow Inlets
Boating Skills And Seamanship
• Hidden shoals
• Hidden cross currents
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Small Boat Safety
Boating Skills And Seamanship
• Avoid moving
• Keep low to move
• Wear life jacket
• Check weather
• Load boat carefully
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Running Aground
Boating Skills And Seamanship
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Check for leaks
Raise outboard
Move passengers to stern
Try rocking boat
Place anchor astern and pull off
Call for assistance
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Environmental
Concerns
Boating Skills And Seamanship
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Follow markers
Don’t stir up bottom
Use proper anchoring technique
Properly dispose of waste
Beware of oil and fuel spills
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