Page 19: of Marine News Magazine (June 2022)

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Propulsion device must have enough metal to withstand the torque, thrust, and other forces resulting from operation for reliable operation. We all know that equipment failures occurring during engagements are highly frowned upon.

When selecting propulsor size, the mechanical strength part is easy—the vendors have data tables on the equip- ment specifying the appropriate duty rating and recom- mended power limits. All equipment manufacturers and their distributors will help you pick the right size compo- nents and supply you with a good product, but you must decide what product you want ? rst. This is the subjective part, which comes ? rst in the selection process.

An example of a waterjet.

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