The advantage of the Electric Yacht 20.0 is its redundant tandem motors. It equates to a 36 hp shaft motor. My boat is a 32 footer. It had a Volvo MD33. The 20.0 exceeds its hp by 11 shaft hp. The 20.0 will operate as an Electric Yacht 10.0 up to 180 continuous amps but then if needed, the second motor can jump in and continue up to 360 amps continuous, providing significant extra power in a negative sea state. For up to a 40 footer, this was the recommended motor system by Electric Yacht. It provides significant power at a marginal greater cost and is also capable of redundant operations at half power. As a 48 volt system consider a 420 AH battery bank. My 32' is a 1976 and weighs in at 12500 lbs. I have two 48 volt DC, 10kw Fischer- Panda generators to charge the batteries OR run the boat on a full time basis. Restoration is near completion and installation of the powertrain is upcoming. Good luck to us all!
Hi!Just bought a 1979 Moody 39ft sailboat which is in need of a new engine. She displaces 18,078.00 lb / 8,200 kg.I've been researching replacements. I see lots of examples of boats 35ft and under, but not as many larger than that. I'm trying to figure out what would be needed motor wise to power her. I'd very much like to stay at 48V both for safety and practical reasons (availability of equipment at 48V).Looking at the Thunderstruck kit with ME1616, which would be undersized (their page says good to 15K displacement). That said all the reading I've been doing seems to point to it would work, just maybe slightly slower speed for the same kw ouptut of a smaller boat. That said as long as I can sustain 4ish knots I'd be more than happy, and I think that would be within range.Alternatively, what are my options if I need "larger"? Looking at the ElectricYacht setups they seem to pair two ME1616's together in parallel, so I guess that's one option. Are there others though? Is there a slightly large single motor people use for 15-20kw? (If I think i need that)
(Also, whichever option will be doing water cooled)Thanks!
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