Technology & Equipment
Technology & equipment on a circumnavigation – power, water, refit & more

Panama – Shelter Bay Marina – our catamaran is being craned out of the water
A photo documentation... 15.05.2026 First, we maneuver the catamaran into the narrow entrance of the crane basin. We've had plenty of experience with this by now, and the dockworkers pull the boat forward with the lines as soon as we reach the basin. A sense of scale... this gantry crane is wide enough for Joline. The crane's lifting slings are lowered into the water. A diver checks underwater that the slings are correctly positioned...

Installation of a Zen 50 watermaker on a Lagoon 421
Contents Prologue Installation diagram Water inlet for the watermaker Pump unit Central unit with membranes and energy recovery Watermaker wastewater Drinking water outlet & test sampling Connection to the water tanks Overview of materials & components Production of drinking water with the watermaker Operational experience & conclusion Prologue On a bluewater yacht, water is not simply a comfort, but a central issue for safety and independence. At the latest when sailing for extended periods away from harbors, one cannot ignore it...

Photo documentation: Joline comes out of the water – Guatemala
Haul - Out in the RAN - Marina in Guatemala - Rio Dulce 24.05.2025 This season, we've chosen the Rio Dulce as our hurricane-season retreat. Deep in the interior and surrounded by Guatemala's lush jungle, there are numerous marinas that long-distance sailors often use for a weather-related break. We had catamaran sailor friends as references who had sailed here...

Catamaran – Sailing with the spinnaker
13.01.2025 We're often asked what sails we use on our catamaran Joline. Downwind sailing, in particular, is a topic many crews avoid. We've compiled our experiences from over 10.000 nm and an Atlantic crossing here and would like to encourage you to consider it. Photo documentation - Spinnaker sailing on a catamaran. We chose spinnakers as our downwind sails on Joline for a...

Joline comes out of the water – Aruba
01.07.2024 To the countryside for the summer... Joline was last in July 2023 She's on dry land in Arrecife, Lanzarote. Back then, we were getting her ready for the Atlantic crossing. Now, after many thousands of nautical miles, she's due back on dry land. It's time to check everything's in order. The stresses on the boat on such a long journey with wind and waves...

Selection of watermakers for blue water yachts
Independence through water from the sea. Water requirements - How much water do I need? What is a watermaker and how does it work? Classic systems with high-pressure pumps. Systems with energy recovery. Which watermaker did we choose and why? Install it ourselves or have it installed? Which accessories are useful? Operation and maintenance. Sources of error - This can be expensive. Independence through water from the sea. As bluewater sailors, we are almost always in the best,...