Speed, Range and Power Relationships for Electric Sailing…

Example Speed Power Relationship Graph

In a recent discussion with someone considering an electric drive system for his sailboat, I was explaining some of the relationships between speed, power, and range.  The amount of power needed to push the boat at a given speed has a cubic, or third order, relationship (at the speeds we’re talking about for sailing). I’ll…

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NEB-25 Motor Alignment in the Sailboat

Another nice feature of the motor frame on the NEB-25 Inboard Electric Motor, is its ability to be precisely positioned and adjusted to the alignment of the propeller shaft, during the motor alignment stage of its installation. This alignment feature was added to the motor frame in the Q2-2022 version of the motor. The mechanics…

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