As noted above, there is a lot of leeway in how this is interpreted. HP is ‘HorsePower equivalent’ so that you can get an idea of the power of the motor in comparison to a HP rating you might be more familiar with. We have indicated what the measurement is, although in the table we have used peak power as equal to input power and continuous as equal to output. Some quote only peak power or continuous power, some quote input power and output power. Power Ratings – measured in kiloWatts kW power rating quoted is taken from the manufacturer website. We have not given comparisons to Imperial/US measures except in ‘horsepower equivalent’, which is in itself not standardized due to how the power is measured by each manufacturer. The table can be searched with any keyword – manufacturer, for instance, or can be sorted by any of the columns: Peak kiloWatt power, Continuous kiloWatt power, estimated HP equvalent, Voltage, Dimensions (Length, Width, Height), Weight, RPMs, Type of motor and cooling system (air, liquid, water), and whether it is regenerative – capable of recharging when the boat is under sail propulsion.Īll measurements are in metric. If there are many models, we give a range from without lining the specs up with specific models. If there are 3 models in the line, we will give the specs for each model with a comma in between. ![]() For the specifications we have tried to make it a user friendly as possible. The motors are organized in alphabetical order by manufacturer, then by model line. If you are going to be using the table extensively the page is best viewed on a computer rather than smartphone or tablet. At the bottom of the page is a Sortable/Searchable Table that lets you compare motors easily. In these low-speed situations, the combustion motor can be shut down so the system can switch to the electric motor for more efficient operation.The top of this web page is an Illustrated Guide with photos of the motors and specifications to the right. However, most of their time is spent idling or actively maneuvering to support other vessels. Tugboats employed by harbor services can use a combustion motor to get where they are needed in a hurry. Hybrid Electric Parallel SerialĮlco’s EP hybrid-electric parallel and serial system benefits commercial and pleasure vessels. ![]() With the flip of a switch, the vessel can switch to exclusively power the electric motor with batteries for situations when the motor would be inefficient. The parallel hybrid-electric configuration allows the motor to drive the propeller directly and charge the batteries while the electric motor is inactive. The parallel hybrid-electric configuration features a diesel or gas motor that is connected to the propeller shaft through an electric motor and a clutching system. The serial hybrid-electric configuration is great for boaters who go on day cruises and want to have a backup power supply should a trip take longer than battery power alone can sustain. This provides boaters with the option of running the motor strictly off battery power for a quiet, clean boating experience, or switching to the generator when the batteries are low. Instead, the generator powers the motor and charges the batteries. The difference is the addition of a gas or diesel generator, which has no direct connection to the propeller shaft. Similar to the all electric configuration, the electric motor drives the propeller shaft directly. The batteries can be strategically positioned to keep the boat balanced. Installation is simple, and the motor fits most standard motor mounts. This system is ideal for day cruises in displacement and semi-displacement boats such as sailboats, launches, tenders, and sloops. ![]() With the all electric configuration, an electric motor powered by batteries drives the propeller shaft.
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