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igus® inc.

PO BOX 14349

East Providence

RI 02914

+1 800 521 2747
+1 401 438 7270

Combined water and wind powered battery charger for yachts

The DuoGen is a patented water and wind powered battery charger for use on cruising yachts. It has just been awarded 2nd position in the Yachting World Magazine Hall of Fame for performance on the Atlantic Rally for Cruisers. The DuoGen needed tough and reliable bearings due to the hostile environment. If bearings need to be replaced, this had to be possible mid-ocean with a minimum number of tools available. The main drive shaft runs through an igus® igubal® polymer plain spherical bearing, which allows the shaft to deflect under loading and still rotate. The wind turbine turns to the wind by allowing a plastic rotational molding to rotate on a 3 inch outside diameter hard anodized aluminium tube. Two iglide® G300 bearings are inserted into the hot molding during manufacture. As the molding cools on a jig, the bearings are pulled in to the correct size.

Colin Barden
Eclectic Energy Ltd.

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