25/07/2026

Rev counter for our engine

I am surprised and concerned at how expensive some original parts for our boat engines can be.My Yanmar 2GM20F engine did not come with a rev counter, a tachometer, and when I started looking for the original part, especially the engine sensor, I almost fell on my ass: 200 euros for the engine sensor and at least 100 more for the clock !! A search […]

18/07/2026

Ruggedized tablet to navigate (by the sea)

This time we are going to talk about using a tablet as an economical plotter on our boats. We have prepared a video for you in which: we bought and tested the cheapest rugged, waterproof (aquatic) tablet on the market: The OUKITEL RT1. We compare it with other tablet options that we can also use on our boats as a plotter, we put it to […]

11/07/2026

12V Boat Fridge: How to Reduce Power Consumption and Save Your Batteries

A 12V fridge can become one of the biggest electrical loads on a boat. It runs 24 hours a day, works especially hard during summer, and, if the installation is not properly adjusted, it can drain the batteries much faster than expected. In episode 122 of The Low Cost Sailor, we look at how a compressor fridge really works, which factors determine its energy consumption, […]

04/07/2026

The best low cost battery monitors

Today we are going to get into the issue of batteries, one of the most expensive goods on our boats and the easiest to break down or run out, causing us the consequent annoyances. In the video we can see the basics of the monitors, the simplest and cheapest that only control the battery voltage, those that already allow us to know at what rate […]

20/06/2026

WiFi power failure detection alarm

In this post and in the associated video, we are going to see how we can take advantage of the benefits of the WiFi flood detector that we have seen in other episodes, to build an alarm that alerts us to the mobile when the power fails or the connection cable is disconnected to port of our ships. A very simple solution that we tell […]

05/06/2026

How Much Does It Cost to Own a Sailboat Per Year? Real Costs of a 10-Meter Sailboat in Spain

Buying a boat is relatively easy. The hard part comes afterwards. Many sailors focus on the purchase price and forget that the real costs begin once the boat is in the water. Marina fees, maintenance, insurance, fuel, inspections, and mandatory safety equipment can quickly turn a dream into a surprisingly expensive hobby. In this article, I’ll share the real costs of owning my own 10-meter […]