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Port Revel Shiphandling Course Manual


Year: 2006
Language: english
Author: Port Revel
Publisher: Port Revel
Edition: -
ISBN: -
Format: PDF
Quality: eBook
Pages count: 297
Description: A good few years ago, a casual visitor wandering through the woods on the Chambaran plateau of
the Dauphiné foothills in France might have been surprised to see several miniature ships calmly
sailing on a lake there. They would have been steered by very serious-looking men whose
behaviour and language clearly indicated that they were experienced mariners.
“Another bunch of nutcases – the privileged few indulging their latest craze," he might have
murmured, going back to his more serious interest of flower spotting or mushroom collecting.
As maritime safety becomes an increasing concern, Port Revel is even more relevant than ever in
training ships' captains and pilots to handle emergency situations.
But… why is training necessary?…
Because human error is still the main cause of accidents.
… and why train on manned scale models? …
Because this is still the best way to acquire certain reflexes which, when the time comes, will make
all the difference between being good and being the best. Training on the scale models provides
experience that could never be gained on real ships for the simple reason that neither ship-owners
nor local authorities would allow such risks to be taken. Scale models allow the shiphandler to
make mistakes. Scale models allow experimentation on ship behaviour to explore unknown fields
beyond the limits of safety.
Training on the manned 1:25 scale models is a complement to training on electronic simulators
(similar to those used in the aviation industry) as it provides additional experience through a feeling
of "déjà vu":

Contents

1 CONTENTS
2 FOREWORD
3 INTRODUCTION
4 SHIPHANDLING REFERENCES
5 UNIT 1 – The manned models
6 UNIT 2 – Shiphandling fundamentals
7 UNIT 3 – Forces under control
8 UNIT 4 – Shallow waters & confined waters
9 UNIT 5 – Stopping the ship
10 UNIT 6 – Ship interactions in canals
11 UNIT 7 – Escort tugs
12 NOTES
FOREWORD
INTRODUCTION
1. WHY TRAINING ?
2. PRESENTATION OF THE CENTRE
2.1. WHERE AND HOW THE TRAINING IS DONE
2.1.1. The lake and its equipment
2.1.2. The models
2.2. HOW THE TRAINING CENTRE FUNCTIONS
2.3. DEVELOPMENTS AT PORT REVEL
2.3.1. Tractor Tugs
2.3.2. Track Recording System
2.4. WHAT RESULTS CAN BE EXPECTED
SHIPHANDLING REFERENCES
UNIT 1 – THE MANNED MODELS
1. THE SHIPS
2. THE LAKE
3. SIMILARITY PRINCIPLES
UNIT 2 – SHIPHANDLING FUNDAMENTALS
1. SUMMARY OF FUNDAMENTALS
2. JUDGEMENT OF FORCES AND MOTION
3. HOW TO REACH A GIVEN DESTINATION
3.1. JUDGEMENT OF DISTANCE AND SPEED
3.2. JUDGEMENT OF HEADING
3.3. JUDGEMENT OF MOTION - RATE OF TURN RELATIVE BEARING VARIATIONS
3.4. JUDGEMENT OF SHIP'S BEHAVIOUR
3.5. INERTIA AND MOMENTUM
3.6. CONCLUSION
4. FORCES NOT UNDER CONTROL
4.1. WIND
4.2. CURRENT
4.2.1. Momentum
4.2.2. Length and Speed
4.2.3. Bottom clearance
4.3. SWELL
4.4. SEICHES
4.5. ICE
4.6. SHALLOW WATERS AND CANAL EFFECTS (PM: SEE UNIT 4)
SOGREAH – PORT REVEL SHIPHANDLING COURSE MANUAL 2006 PAGE 3
UNIT 3 – FORCES UNDER CONTROL
1. FORCES ACTING ON A SHIP
1.1. ENGINE TYPES
1.2. PROPELLERS
1.3. RUDDERS
1.4. THRUSTERS
1.5. TUGS
1.6. MOORING LINES
1.7. ANCHORS (PM: SEE UNIT 5)
2. PIVOTING POINT
UNIT 4 – SHALLOW WATERS & CONFINED WATERS
1. SHALLOW WATERS
1.1. SHALLOW WATER EFFECTS
1.2. WAVE FORM
1.3. SINKAGE AND SQUAT
1.4. DEPTH AND WIDTH OF INFLUENCE
2. CANAL EFFECTS
2.1. BANK EFFECTS
2.2. SATURATION SPEED OR SCHIJF LIMITING SPEED
2.3. TRANSIT THROUGH CANALS
2.3.1. Straight section of channel or canal
2.3.2. Channel bends
2.3.3. Channel or river bends with a current
UNIT 5 – STOPPING THE SHIP
1. USE OF ANCHORS
2. EMERGENGY STOPS
2.1. HARD TURNING
2.2. RUDDER CYCLING
2.3. CRASH STOP
UNIT 6 – SHIP INTERACTIONS IN CANALS
1. MEETING
2. OVERTAKING
2.1. OVERTAKING A MOORED SHIP
2.2. OVERTAKING A SAILING SHIP
UNIT 7 – ESCORT TUGS
1. OBJECTIVES
2. ASD TUGS
3. VSP TUGS
4. FORCES
5. COMMANDS FOR ASD TUGS
6. COMMANDS FOR VSP TUGS
7. MORE COMMANDS

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