Hello Bruce... I have a 48 volt Thoosa electric drive in my steel sailboat and i wouldn't dream of grounding anything. The system is totally electrically isolated from the steel hull and I want to keep it that way. I don't feel the need for any AC on the boat aside from an occasional extension cord from shore power to run the battery charger. I have two large zincs welded to the hull and they show absolutely no activity. I change the shaft zinc annually and even that shows minimal wasting.
No ground,,, that would be my advice
good luck ... Simon
On 2 March 2018 at 15:00, brucenoble@bellsouth.net [electricboats] <electricboats@yahoogroups.com> wrote:
OK my head is spinning from all these electric ground post. some say ground some say no ground. im getting dizzy I am building a small solar boat with a 48 volt motor ,with two banks of 48 volt batteries and three 270 watt solar panels and NO hook up for shore power.....ok chime in please ground or no ground to earth....Bruce
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Posted by: simon gabbott <simong1881@gmail.com>
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