Boating Knowledge Base
Have a sailing question? Access NauticEd’s sailing and boating knowledge base, and gain in-depth answers to your sailing questions. If you’re interested in powerboating, visit our new powerboating blog.
Understanding Energy and Power
Energy: The concept of energy is likened to water for the easiest understanding. A bucket of water holds a specific amount of water which is measured in a quantity of gallons or liters. It is finite; when it is all drained out, it is gone. To gain more, it must be replaced from a source.
Dock Line Release
Have a dock line untying plan based on the wind and the current direction and then communicate this to the crew. Depending on which is stronger...
Lifts and Knocks in Sailing
Lifts and Knocks are technical terms for how the direction of the wind changes, requiring changes in how you respond while sailing...
Personal Flotation Devices
The terms “life jacket” and “PFD” are interchangeable, with the latter used in the USA and the former used in most of the rest of the world.
Vessels in Restricted Visibility
What is the safe speed at night, in fog? As safe as it needs to be under good seamanship.
Sails – Getting Familiar with a Charter Boat
We’re pretty certain here that you know how to operate sails on a sailboat, however – chances are that you’re chartering a boat much bigger than you’re normally used to.
Maintaining a Lookout
The Rule Every vessel shall at all times maintain a proper look-out by sight and hearing as...
Luffing and Backwinding Sails
Luffing is when the sail is flapping in the wind. Back winding happens usually right before luffing occurs.
Crossing Situations Nav Rules
The Rule 15 (a) when two power-driven vessels are crossing so as to involve risk of collision, the vessel...
Spinning Propeller
As you sail along, the water flowing over your propeller will cause it to spin. Some sailboats are fitted with a special alternator that will create electricity...
Rudder Force with Spring Lines
The rudder can be a big help because it can change the direction of the thrust force.
Standing Rigging
To keep the mast from toppling over, an array of rods, cables, ropes (lines), and wires are attached at various spots on the mast and run down to the bow, stern, and sides of the vessel.
Sinking
A boat sits down in the water until it has displaced the same weight of water as the weight of the boat. It is a universal arrangement between boat and water...
Sailboat Wind Power Generators
Wind-power generators are typically installed only on ocean-crossing vessels, where the vessel is away from the marina for extended periods of time and where there is a need for conserving onboard fuel.
Tacking and Gybing Maneuvers
Tacking when you want to sail in a direction to exactly where the wind is coming from— guess what—you can’t! The best we can do is to follow a zig-zag course by sailing at about 30 to 40 degrees off the wind...
Raising the Alarm in Emergencies
A comprehensive list of how and the equipment used to raise the alarm in sailing emergencies
Securing Your Sailboat
It is convenient to have dock lines that are pre-set to the right length with loops on the end and are permanently mounted onto the marina cleats. Now, when you return to the dock you simply slip the loops over your vessel cleats.
Alternating Current and Direct Current
In your house, your wall outlets deliver alternating current (AC) electricity. The electricity provided to your house and your marina from the national electric grid is AC. Most of the devices...
Mediterranean Mooring Techniques
Mediterranean Mooring Techniques is where the rubber meets the road—or, in this case, where the gel coat does not touch the big bad hard concrete wall.
Magnetism
We begin with a phenomenon called magnetism. This phenomenon was known thousands of years before electricity. Magnetism was discovered...
Propwalk factors – The p factor
There are two combined reasons that work in unison to create propwalk.
Electric Devices and Standards
A word of caution whenever using any home AC appliances on a vessel. Generally, these devices will work fine
Mediterranean Mooring – Long Line Ashore
The long-line-ashore is a useful Mediterranean mooring method. It is mostly used in the Mediterranean as a customary way of mooring a lot of boats along a shoreline.
Bilge Pumps on a Charter Boat
Boats have two types of pumps to empty bilge water; electronic and manually operated.
