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Old 30-10-2014, 12:52   #16
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Re: Nextgen generators

The 5.5kw is a 2 cylinder. I stood next to one at the boat show">Annapolis boat show and could hold a conversation at normal levels. I'm looking at this model too due to weight and size restrictions. This one will fit in my anchor locker at the base of the mast.
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Old 30-10-2014, 13:16   #17
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Re: Nextgen generators

The 5.5 is a vertical twin, I don't know if the pistons are 180 out or not, it could be either.
The 3.5 is a horizontal single which means primary vibration should be front to back and not up and down, which is smoother? I have no idea. Sound wise the twin should be smoother as there are twice as many power strokes, but vertical twins are not known for lack of vibration.

A three cyl engine ala Northrn Lights should be the smoothest
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Old 30-10-2014, 20:58   #18
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Re: Nextgen generators

For your AC unit, check on a soft start. It lowers the starting load and that is the worst peak load. As for a watermaker, get a Spectra and run it on DC.
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Old 30-10-2014, 21:52   #19
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Re: Nextgen generators

I installed the 5.5k in June this year and am very happy with its performance. Quieter than expected without much vibration. Can't give you longterm durability on the exhaust elbow but I do know the shop thats makes it along with a few other weldments on the unit and quality is apparent in all their work. IMHO I would recommend the 5.5. I removed my aft head and mounted it there. So far I've had no complaints on the noise.
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Old 31-10-2014, 07:21   #20
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Re: Nextgen generators

Quote:
Originally Posted by Capt Hugh Wilde View Post
For your AC unit, check on a soft start. It lowers the starting load and that is the worst peak load. As for a watermaker, get a Spectra and run it on DC.
Intent is to go with an inverter / charger that will help with in rush current.
I haven't set on a watermaker, I won't get one of those until I leave, but I believe even Tellie has said if you have a generator go with a Cruise RO, maybe he was just being nice I don't know, but I have time to figure that out.

Be difficult I think to have enough solar so that I would never need a generator on my boat, so if I'm going to have a generator anyway, doesn't it make more sense to use the AC power for more than just charging batteries? I believe to keep a generator happy, you need to use it a couple of times a week, and when it's used to load it up enough so that it gets fully heated up. I'm thinking a two to three hour run, twice a week, that should give me more water than I could possibly use and keep the generator exercised, but not put significant time on it, ought to last a long time if cared for at a usage rate like that.

I still intend on Solar, just use the gen to get me past the bulk phase in the morning a couple of times a week and letting the Solar handle the absorption part during the day, plus have a back up for those week long times of heavy overcast and rain you sometimes get, without a generator I assume those times are hard on batteries.
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