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Have you looked into the Victron Quattro Charger/Inverters? There are models that can output up to 140 amps at 48V. This would allow use of less expensive, AC generators. Then you would have AC power

Thanks Dan. You're a trove of good information! Have you had any issues with the ME1616?

I have not built the genset yet. It was suggested to me by one of the engineers at Thunderstruck that I could do it with the ME1616 with a rectifier and regulator. But I have not researched it any

John, Looking back and wondered how things went for you? We have a 35,000lb, 12.5:1 L:B power cat, 50' x 17' which runs 23" x 18" props. At 750rpm (1500rpm using 2:1 reduction) we get about 7kn using

Dan (and anyone else who wants to explain!), Delving back a little... I just got a quote from one of the few marine DC genset places, and unfortunately it matches what I could find from the others -

I agree with Eric. That said, more and more electric outboards are coming on the market and prices should become competitive. Building your own battery saves thousands if not tens of thousands of

Thanks Eric, Reuben This is really interesting. The summary below is perfect. It looks like the electric conversion cost has to drop significantly in order for this to be a feasible,

Reuben is getting closer to what might be required. Raj, is your regular trip 30 miles round trip or one way? In either case, your current boat converted to Torqeedo power as suggested will have a

Your 75HP could be replaced with a 55kW motor and produce the same types of speed with similar (or same) boat and loads. Let’s assume 50kWh for your 1-hour round trip. That would be the size of

I currently have a 75HP two stroke on a custom built wooden 20 ft deep V. We use this for almost every trip now. Thanks Raj Sent: Saturday, May 20, 2023 4:52 PM To:

The basic ratio developed by this group almost 15 years ago, and used widely across the industry now is: 1kW/ton to achieve 95% hull speed. ?For my boat, Bermuda 30, full keel ketch, 10,800#

One more question - with the load you carry (persons and gear) - how much HP do you now require to go the speed you want and size and type of current boat. a deep V hull is not needed for river

I want to say thanks to all of you for the depth of knowledge and the thought you all put into your responses. I will reply with some pics when I install over the next couple weeks. Aaron Smith

For a reference point, hull speed for a 30 foot boat is about 9mph ->so over 3 hours for the trip.? At hull speed a very conventional electric boat could have the range at a very reasonable price.?

Raj, Besides William Atkin, I suggest you look at the designs of Phil Bolger. In some ways they are kindred spirits, a generation or so apart. Both were very practical designers. Some people

Hi Reuben I have not yet finalized on a boat size. The more information I collect, especially from the responses I have had so far, I am more I am inclined to consider a vessel which I can use for

I’m an advocate for electric propulsion. Before being able to offer any suggestions, one needs a bit more info. 1. How big a boat are you considering? 2. What speed do you want to go and for how

Raj, There was an article in Professional Boat Builder about someone who created an electric catamaran for service similar to your short trips. It was highlighted on the

I will be carrying about 8 persons max plus likely one piece luggage each. The typical load will be 2 to 3 persons. The boat does not have to be big, heavy and fast. I do have a 23 foot

Thank you Greg. This is a great link and does open up new ideas and a different approach. I’ll investigate further. Raj Sent: Monday, May 15, 2023 10:48 AM To: