At present, the mainstream spiral slurry of marine vessels is made of copper-nickel alloy or copper-manganese alloy. Of course, there are stainless steel, cast iron, and even fiberglass reinforced plastic propellers, but the number is small.Let's see how the copper-nickel alloy propeller is process

From a 3-horsepower electric to Mercury Racing's new 450R, there's a lot happening with outboards. MERCURY RACINGOutboard motors tend to evolve at the pace of the Nile crocodile, which dates to the early Pleistocene and has minimal updates for the 2019 model year. But lately, there's been a lot of