One more homemade invention arrives on the market. Its inventor is Ante Grabovac. It is about flippers for outboard engines and Z stern that save fuel and reduce time of motor boating. The flippers are not subject of cavitation and galvanic effects, they don`t need Koper and don`t spend zinc protector. They are made of composite materials and their price depends on the engine size ranging from 150 to 600 kn.

 

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