Category Archives: Electric Drive

Report of electric drive system on Waarschip 730 “Wahine”

100% Ecopowered sailing

Great project for the Vendée Globe. No diesel or gasoline on board.

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Electric Drive Running

The electric drive system is running! It’s a bit noisier than I had hoped for and the engine doesn’t run entirely smoothly yet. However, Wahine runs at approximately 5 knots at full throttle, which is what I had hoped for. … Continue reading

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Motor controller, charger and DC converter arrived.

Motor controller, battery charger and DC-DC converter arrived from china today.

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Engine and saildrive installation

Got the sail drive installed and created an engine seat.

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Saildrive with electric motor

Just a few pics of the saildrive and motor.

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New solar cells

I ordered a second batch of solar cells. Along with more poly crystalline cells for creating additional small panels, I got some mono crystalline ones also. These are quite a bit thinner than the poly crystalline ones though surprisingly not … Continue reading

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Ramp up the voltage

I’ve chosen to run the electric system on board “Wahine” at 36V rather than 24V. Mainly, so I can get sufficient revs. from the electric engine. In order to charge the batteries at this voltage, you need something like 41V. … Continue reading

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Drilling through the hull to mount the saildrive

Somewhat of a ‘here we go!’ moment to put the drill to the bottom and go straight through! Reminds me of the joke: “What does a belgian (fill in your neighbouring countryman here) do when his boat has a hole … Continue reading

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Homemade solar panels

First solar panel for the electric boat. I bought some PV cells on e-bay and put the first panel together this morning. This is my first DIY solar project, so I started out a bit shaky, first breaking a cell … Continue reading

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Electric motor and genset

The electric motor and generator for the electric propulsion system that I am planning to install on my boat this spring, have arrived this week! The motor is a Motenergy (Mars Electric) ME0907 and the genset is a Kipor IG1000 … Continue reading

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