À VENIR - Le froid à bord

Dans cette enquête sur la gestion du froid à bord, l’équipe du Excess Lab vous interpellera sur des sujets liés à l’énergie.

Nous chercherons à comprendre vos usages et vos réels besoins en la matière …à très vite !

Sujet en ligne le Mardi 18 Mai à minuit.

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An necessary evil, most if not all of our cruising will be tropical and everyone needs to have a break from the heat and humidity from time to time.

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Interesting topic for tropical climates! In a perfect world, nobody wants a heavy genset and aircon system onboard. But reality comes into play when it's 35 degrees and 80% humidity and you still want to enjoy your multiple day cruise!

There is another solution. The INTEGREL SOLUTION. Similar cost to a generator, none of the weight

Integrel is interesting but if it was as perfect as they say, why would anyone still manufacture generators..? It may bring only part of the solution but as any product, has pros AND cons. Although worth investigating. Interesting topic indeed!

The power ‘solution’ with most appeal to me is parallel hybrid. Redundancy, plus regen under sail with minimal incremental weight in shape of motor/generator. There’s a good explanation of the benefits here:
https://www.hybrid-marine.co.uk/index.php/hybrid-info/which-hybrid-is-best

This system with shaft driven feathering props on a beachable Excess would get my attention. Needs lithium 48v battery sized for 3-6 hours silent motoring or to run small standalone cabin aircon overnight. Lithium prices are now low enough that lithium parallel hybrid system is a realistic alternative to a generator.

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