I have a cheapo 2 cycle generator that I bought from Northern Tools. It only cost me $150. It claims to put out 1200 watts, but I think that is an exaggeration. It will only get my 40 amp battery charger up to the mid 30s.
This may well be due to the fact that a battery charger is an inductive, not resistive, load.
So far it works great. But I've only had it a month. It sounds like a moped while running. I anchor from the stern and place in on the foredeck. That way the exhaust blows off the boat, not over it.
Have you read Don Jordan's article
on anchoring from the stern. I do that a fair bit with my trimaran...and she seems happy about it.
Remember to ground your generator. I can't find a ground on my "fire sale" boat (thanks SD), so I just connected a wire to the generator ground and tossed it overboard. A little "trailer park", but it works. You might not want to be tempted to connect to the AC ground on your boat. On my boat, it appears that the only ground for the AC panel runs to the shore power line. So the only way you are grounded is if you are connected to shore power.
I would be wary of grounding to the water...since that is an excellent way of creating a galvanic corrosion problem, especially on the Sillette sonic drive leg that the Gemini's use. Until you are sure you're not creating a problem, I would highly recommend tilting the sonic drive leg up. Also, grounding the AC genset to the water may also create an electrocution hazard for people in the water... I'd check with the manufacturer about the proper grounding method for using it on a boat.
I run my computer all day, but besides that, I just run a few lights and electric start the engine. I only have to run the generator every other day, for about an hour or so before I run out of juice.
Gemini Catamaran Split Decision
This of course is partially dependent on how large your house bank is, what kind of computer you have and whether the lights are incandescent, cold cathode fluorescent, halogen or LED.
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You know what the first rule of sailing is? ...Love. You can learn all the math in the 'verse, but you take
a boat to the sea you don't love, she'll shake you off just as sure as the turning of the worlds. Love keeps
her going when she oughta fall down, tells you she's hurting 'fore she keens. Makes her a home.
—Cpt. Mal Reynolds, Serenity (edited)
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