pierdusud

Beta marine 20

Repowering An Alberg 30 (Part 1)

This article is the first of two about installing a complete inboard power train on an Alberg 30. Its focus is on the design. An inboard power train is not the sole engine paradigm compatible with Alberg 30s. Although not covered here, one may also be interested in the design where an outboard engine is installed in the aft lazarette (AtomVoyager, 2020).

Trade winds.

Preparing for An Ocean Crossing

I am preparing for an ocean crossing. We will be leaving La Rochelle, sail south the Canary Islands, which will be our springboard for the trade winds. We hope to finish our crossing in Antigua, but our final destination is Nassau. It is a bit late in the season, as...

Celestial navigation

What is the sine of one degree?

Prior to the invention of computers, calculators, or even sliding rules, having what is known as a « sine table » was however of critical importance.

How did we find those values?