Start this summer weekend  with our Friday Five for July 24. This is what caught our eye this week:

Deciding on Lithiums

Should we switch to lithiums even though they’re drastically more expensive? READ MORE

Preventing Electric Shock at the Dock

The human body runs on electricity and if you overload the nervous system with an external field, everything goes haywire. Every year several people die because they go swimming near a dock, a wiring fault creates an electric field in the water, and their muscles freeze. It is called Electric Shock Drowning (ESD). READ MORE

Skippers’ Tips: Compass interference & heater care

Decarbonising diesel heaters by running on paraffin and fluxgate compass interference READ MORE

How Long Does It Take to Produce a Nautical Chart?

Cartographers create new nautical charts by piecing together a puzzle. Sometimes all the pieces are in the box, other times surveyors and others have to go out into the field to gather the pieces of missing information. To a large degree, the more pieces are on hand, the quicker the chart assembly time. READ MORE

The Ol’ Wooden Plug Trick

Here’s another nifty usage for the tapered wooden plugs designed to prevent a sinking if a through-hull or other fitting fails. READ MORE

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