Forget about the gas engine, too dangerous. There is a reason no sailboat companies put them in.
Depending on your use of the boat. If you only need 4 hours of engine use, then go electric. You can always use your generator if you need a longer motor time. If you are motoring down the icw, I would probably go with the diesel engine.
On Sat, Sep 7, 2019, 1:19 PM jheape@gmail.com [electricboats] <electricboats@yahoogroups.com> wrote:
I have to make a decision soon about replacing my Westerbeke 21hp diesel. I certainly will NOT put a Westerbeke back in, so it comes down to another similar size diesel, electric, or maybe even gas (which is doable and WAY cheaper than diesel). I have read most of the topics here and on the Cruiser Forum about electric conversions. I was wondering if anyone could offer some specific thoughts on my boat regarding an electric conversion. One advantage of the Hunter is that it is a very good light air boat, particularly with the tall mast which I have.Hunter 34 specs34' overall28' waterline11.5 beam11,820 displacementCurrently has a 14", 3 blade Campbell Sailor propHave a 3650 watt generator2 160 watt 12vdc solar panels in parallel4 100 amp 12vdc battery house bankI was looking at a Thunderstruck 10kw motor with a 2:1 gear reduction. 200 amp 48vdc battery bank. 30 amp 48vdc battery charger. Install 2 more solar panels (I use the solar panels as my bimini so have the room to mount them) and wire in series for 48vdc.Looking at what others have described as their performance characteristics it seems I could motor 2 to 3 hours at 4 kts (with the diesel I usually cruise at 5 kts) and use 50% of the battery bank if starting fully charged. I figure with he solar panels and the generator running I could double that time if needed.Replace diesel with a rebuilt, about $6k if I do most of the work. New diesel would be $9-10kGas, about $3k if I do the workElectric, about $5k if I do the workAny thoughts, comments from anyone?
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Posted by: Kev <captainyoung@gmail.com>
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