Thanks for the advice, Kevin! The boat weighs around 6 tons. It has an 11-foot beam, designed as a liveaboard, built in 1981. I pulled a two-cylinder diesel out, around 15-horse.
--- In electricboats@yahoogroups.com, Kevin Pemberton <pembertonkevin@...> wrote:
>
> Hi Bill,
>
> Sorry I need to ask, what kind of 30 ft sailboat do you have i.e.
> displacement not brand as you have already told us? I notice you have
> asked about stringers. The weight and vibration is not an issue as much
> as the torque you well be able to apply. The kit you purchased is what
> 25hp? That will be a lot of torque if you lay into it, (or fall on the
> stick). I would use good old Lead Acid batteries, You will hear lithium
> but chargers must be trouble free to keep the batteries from bricking.
> To cruise, simple rock solid low tech systems are easer to repair in
> backwoods ports. Import duties in many places are through the roof and
> in most countries lead acid is universal.
>
> Most of the weight you install in your boat will be the batteries so
> keep them low in the boat to keep your center of gravity as low as you
> can. One advantage of lead, is it is ballast that will make your boat a
> little slower but stiffer under sail.
>
> Just remember, the latest and greatest is cool, but purpose built is better.
>
> May your sails always be full and the wind always at your back.
>
> Kevin Pemberton
>
> On 12/28/2012 02:51 PM, billbrockway wrote:
> > We pulled the diesel out of our 30-foot sailboat and are now getting ready to rebuild the stringers to install the 10.5-kw kit and gear reduction I bought from Thunderstruck motors.
> >
> > If anyone has used this 48-volt kit, could you offer advice on which type of battery you used? I want to design the engine compartment to hold them as efficiently as possible, so any advice or experience will be appreciated.
> >
> > Thanks!
> >
>
>
> --
> Committing murder in exchange for lifestyle
> makes you a "thug" not a "Rights Activist"
>
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