Boating Knowledge Archives

Propwalk – The Wash Lift effect

May 1, 2024/by Grant Headifen

The wash-lift effect has been documented heavily by Dave Geer who is one of the worlds leading propeller engineers.

Rudder Force with Spring Lines

April 29, 2024/by Grant Headifen

The rudder can be a big help because it can change the direction of the thrust force.

Deploying the Anchor

April 15, 2024/by Grant Headifen

It is important that the person deploying the anchor and the helmsperson are in agreement about the anchoring plan first. Discuss the placement, the direction, the depth, the desired scope, and the setting plan.

Marine Radio Licensing

April 15, 2024/by Grant Headifen

To operate a marine radio lawfully, you must comply with the laws of the country in which you are operating the radio.

Typical Boat and Battery Wiring Schematic

April 15, 2024/by Grant Headifen

Here is a typical wiring schematic of how your batteries are connected into your boat and charging system.

Understanding Energy and Power

April 14, 2024/by Grant Headifen

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.

Propwalk – The Wash Lift effect

Rudder Force with Spring Lines

Deploying the Anchor

Marine Radio Licensing

Typical Boat and Battery Wiring Schematic

Understanding Energy and Power

Topping Up your Energy on a Sailboat

Anchoring with multiple anchors

Water and Water Making on Bareboat Charter

Available Energy Stored in a Battery