How a Ship Holds Still Without an Anchor // TRAIN BRAIN

How a Ship Holds Still Without an Anchor

Modern dynamic-positioning systems use sensors, computers, and thrusters to hold a ship over one exact location, sometimes for weeks.
The moonpool is the doorway to the seabed; dynamic positioning keeps that doorway in exactly the right place.
#DPSystem #DynamicPositioning #ShipTechnology #MarineEngineering #CasualNavigation

Casual Navigation

Your Window Into The Maritime World Casual Navigation creates content that explores many different aspects of the maritime industry, with the aim of making it fun and interesting for anyone to enjoy. We publish new videos on the Second and Last Friday o...

The Dew-Point Rule for Cargo Ventilation

Two Thermometers Can Save a Cargo

Why “Always Ventilate” Is Dangerous Advice

One Moisture Mistake Cost More Than $1 Million

When a Ship Starts Raining Inside

How Air Releases Moisture at Sea

Why Do Ships Fill Themselves With Seawater?

Why Steel Hulls Create Condensation Risk

A Ship Can Literally Sweat on Its Cargo

When Saving Fuel Costs More Than an Accident

The Fuel Saver Can Ignore the Person Steering

A Fuel-Saving Delay Can Put a Ship on the Ground

The Fuel Saver That Could Ruin a Crash Stop

Why “Full Ahead” Does Not Always Mean Full Power

Saving Fuel Can Make a Ship More Dangerous

Why Moonpools Are Brilliant Engineering

Soviet Ships Watched Their Submarine Being Taken

Recovering K-129 Through a Moonpool

From Offshore Drilling to Cold War Espionage

How a Ship Holds Still Without an Anchor

Four Propellers Invented a New Kind of Ship

The Ship That Tried to Drill to Earth’s Mantle

Moonpool Operational Advantages

Why Ships Use Moonpools

How Ships Tame a Violent Moonpool

How Moonpools Affect Ship Performance

A Moonpool Can Shake Like a Giant Piston

The Water Inside This Ship Can Turn Violent

Moonpool Water Levels and Air Pressure

Why Doesn’t the Ocean Flood This Hole?

The Secret Hole Used to Steal a Submarine

Why Ships Can Snap in Half

When the Sea Turns Into a Giant Support Beam

These Numbers Tell You If a Ship Is Bending

Why Ships Cannot Be Loaded Evenly

How Buoyancy Bends a Ship

Big Ships Are Designed to Bend

Why Don’t All Ships Use This Ring?

How Ships Reduce Propeller Cavitation

Why Water Can “Boil” on a Propeller

How an Aerofoil Nozzle Creates Thrust

Aerofoil Theory in Ship Propulsion

The Origin of the Kort Nozzle

How a Kort Nozzle Generates Its Own Thrust

Why Tugboats Put a Wall Around Their Propellers

Why Propeller Tip Vortices Waste Energy

The Pressure Difference Moving a Ship Forward

Why Tugboats Use Kort Nozzles

Are Ropes Finally Being Replaced?

Why Ships Cannot Just Use Unbreakable Rope

The Most Dangerous Place on a Ship During Mooring

More Ropes Cannot Always Save the Ship

A Giant Ship Is Held Still by Geometry

One Rope Can Turn Deadly in Seconds

Why Don't Free-Fall Lifeboats Flip Over?

Why Every Detail of a Ship Door Matters

The Same Door That Saves You Can Hurt You

One Ship. Three Doors. Three Different Dangers

The Barrier Between a Flooded Room and a Lost Ship

How Quick-Acting Ship Doors Work

These Clamps Are What Actually Stop the Water

The Most Annoying Part of a Ship Door Has a Job

The Flood Helps Keep This Door Shut

This Door Is Basically Part of the Hull

Your Front Door Could Never Do This Job

Did Wet Cargo Sink This Ship?

The Paperwork Said “Safe”, The Rain Said Otherwise

Why Liquefied Cargo Can Capsize a Vessel

When Solid Cargo Starts Acting Like Liquid

How Can a Pile of Rock Sink a Ship?

The “Missing” Hull Section That Connects Two Ships

Why ATBs Are So Flexible

The Oil Spill Law That Made ATBs Take Off

Why a Locked Tug Handles Like a Ship

A Barge Snapped in Half While Leaving Harbour

When Two Vessels Become One Ship

The Steel Lock That Lets a Tug Ride the Waves

One Steering Failure Broke the Whole Connection

How a Notch Barge Is Secured to a Tug

How Pushing a Barge Solved the Towline Problem