![]() In fact, in many cases, the only solution is to create a 3D model of the propeller using a digital scanning device. The complex nature of a propeller’s helical surface can make this task very difficult. Today, many vessel owners, operators, and yards are faced with the challenge of replacing legacy propellers. It’s fair to say that while the propeller manufacturing industry has seen growth, it has also seen consolidation. For example, some large volume propeller manufacturers have permanently closed their doors and patterns, molds, and design data have been scattered to unknown corners of the globe. Sometimes, these propellers even outlive the companies that produced them. Marine propellers can last a long time – it is not uncommon to find a vessel running on its original set of propellers. ![]() A new utility automates feature extraction from 3D CAD data.
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