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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Continuous Improvements – Wiring

Over the course of developing our electric sailboat propulsion system, numerous design changes and improvements have been developed, tested, and incorporated into the baseline design. Looking back, we’ve gone though some significant updates of the motor frame, the gear box, the battery pack, and the cockpit computer.  Lots of software updates for the cockpit computer!…

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