Two On A Big Ocean The Story of the First Circumnavigation
of the Pacific Basin
in a Small Sailing Ship


      

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RE: [world-cruising] AC vs. DC systems

From: Sellar, William E. (no email)
Date: Fri Jul 11 2003 - 11:25:04 EDT

  • Next message: pete_widders: "[worldcruising] Tidal Wheel"

    In either system you need a plan of where the energy is coming from. With your AC plan it was from gas or diesel to power the genset. Where will it come from in a DC plan? Solar panels, High-output alternator (therefore diesel), wind generator, water generator, all of the above? You need to calculate the number of amp-hours you will use in a day and be sure that you have a source to replace them. Heat and air conditioning are big users of DC amp hours as would be refrigeration. You will also need a very big house battery bank. Will be a challenge to come up with the DC amp hours to run all these systems from wind and solar panels.

    Of course you could use the genset to replace the DC amp hours, but you were trying to eliminate the genset.

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