Identifying the Course to Steer Algebraically
Tired of the graphical addition of vectors? Learn algebra and remember those trigonometric identities thaught by your high-school teacher
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A Software For Drawing Navigation Symbols
This software is for instructors and professors of navigation. It draws navigation vectors as per the International Maritime Organization drawing convention.
Making an Electricity Budget on A Sailboat
Is your energy production sufficient to meet your electrical needs? Read this text to understand how to assess the electrical balance sheet of your boat.
How Nautical Charts Represent the World
It is not a conspiracy, nor a computer bug. It is a fact established mathematical fact in 1837: every rectangular map of the world is a lie.
Diesel Engines: First Principles
A diesel engine relies on a controlled explosion in four stages: intake, compression, explosion and output. Unlike gas, diesel ignites on compression alone in the cylinder: no spark plug is needed.
Stepping the Mast: Yves Gélinas’ Approach
I describe how Yves Gélinas taught me to step the mast on Jean-du-Sud. The approach takes a day and no additional equipment… if the boat is properly configured.
Repowering An Alberg 30: Final Remarks
I have finished Jean-du-Sud’s power train install. I answer why I chose a Beta Marine 20, detail the unforeseen costs and analyze the install time.
Repowering an Alberg 30 (part 3)
This text is about useful knowledge that should be understood prior to a power train install. It reduces the installation time and saves money.
Finishing an Epoxy Job (Underwater)
This video helps understanding how to finish an (underwater) epoxy job.