b'Asoperatorslookattheoperationalprofileofavessel,areinplaceandrunningconstantly.Youreusingthat Derecktor noted that an honest accounting of all operat- power anyway. Your engines are spinning, you might as ing time is imperative. Sometimes operators or municipalwell use it, Derecktor explained. With a hybrid system, or government planners fall into the pitfall of measuringwhen youre backing down your generator or propulsion the distance and time between point A and B, but over- engine doesnt necessarily have to be running. In that case, looking the power needed to get off the dock or possiblyyou may be pulling the energy from the battery, and thats loitering after a vessel is off shoreside power and your housewasted energy that could otherwise be used on the route and auxiliary loads are drawing from the batteries. Thoseitself. So, what we encourage them to do is consider tying transition times can add up, he noted, and make a mate- up the boat so that you dont have to use your propulsion rial difference on your actual operational profile, which inmotors at the pier, Derecktor said. And that can be chal-turn influences some design decisions. Whether its, again,lenging for operators. Its more of a cultural shift, an op-the hull design or the propulsion system design, batteryerational shift. He understands the obstacle of having to sizing, or motor sizing. retrain staff and change routines. However, such changes can drastically improve the benefits operators get out of the His team encourages operators to also consider how theyinvestment in an alternative propulsion system. Not taking operate. Derecktor gave the example of a recent customerthose steps could even make the system less efficient than a whoswitchedfromconventionalpropulsiontoaserialconventional system.hybrid system. In the past, the operation put on a bow line and backed down on their engines to keep the boatAstechnologycontinuestobedeveloped,refined,and against the pier, which works when conventional enginestested, there will be more options for a wider variety of op-DOCK TO DOCK EFFICIENCYServices that Carry the World. Forward.Vessel Design & EngineeringInterior Design SolutionsConstruction Management Our waterjets represent Vessel Conversion & Refits the pinnacle of all-round operational efficiency, agile crowley.com/engineering manoeuvrability, for swift turnarounds, and durability.www.hamiltonjet.com11 MAY 2025'