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Racing Carbon Hydrogenerators

Your hydrogenerator was your loyal energy producer for many miles and many trips where it played in an hostile environment (salt, moisture, unidentified floating object,...).

Like any technical equipment on your boat, it may be the right time to have it reviewed before leaving peacefully for future offshore sailing?

This is our recommendation every two years or every 10 000 miles. Watt&Sea proposes different levels of revision packages to suit all your needs.

Servicing your hydrogenerator will allow you to benefit from a 6 months warranty for the work done and for the parts replaced.

How to revise your hydrogenerator?

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  • Leave your hydrogenerator to your installer-retailer, in an appropriated transportation package, propeller removed.
  • Choose from one of the five levels of revisions below.
  • Upon receipt of goods, Watt&Sea workshops will conduct their review and establish, if necessary, an estimate of additional repairs.
  • Keep your invoice attesting the 6 months warranty granted.

The packages

Packages / references :
Generator inside check : oil, bearings, seals X X X X
Checking the airtightness X X X X
Replacement of parts subject to wear (bearings, static and dynamic seals) X X X
Oil replacement X X
General waterproofness control in water tank X X
Disassembling of the carbon leg X
Reassembling of the carbon leg. Patching of the 4 fixing holes + finishing X X
Filling of the corrosion with aluminium / epoxy resin. Painting of the generator X
Final electrical test X X X X

Packaging in supplement if necessary, transport costs to be added depending on your location.
NB : The converter does not need service and its revision is not included.

WATT&SEA Helpful Tips

Apart from factory servicing, we recommend you to regularly :

  • Remove the propeller and clean the shaft from fouling
  • Check the wire exiting from the hydrogenerator leg (not cut nor pinching)
  • Check the external connections (no corrosion)



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40 Rue Chef de Baie
17000 La Rochelle

+33(0)5 46 41 31 99