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I'm glad to see someone doing the math, but it's still looking at the issue from the opposite side as me. I'm sitting at anchor in Man Of War Harbor in Key West, terribly open to the north and with

What are the voltages of your solar panels and battery bank? I have bough a 48 volt 10 kW thunderstruck motor and now need to figure out how to charge the 48 volt battery bank using my two 12 volt (or

As long as you don't exceed the controllers max wattage you will be fine I use Epever controllers on my panels. One set is 1440 watts the other is 1015. They are about 5 years old and are easy to read

That boost charge controller from AliExpress looks interesting. Do you use one for each solar panel or can you connect multiple panels to one controller as long as you don't exceed the power rating

Hi Jack, While you could join the negatives as I understand the theory, one answer depends on whether you want to separately measure the current usage via a shunt. You could use separate shunts on the

Hi Jack, You ask some good questions.? There's a lot of info here, but you asked, so I'll tell you. 1) Pick a single point on the boat and declare it "ground zero."? 2) Now connect each subsystem

The devil is always in the details. Grounding for home construction is not an option. For boats, historically, like cars, we tend to ground the negative and also tie that to any shore power ground

Well that would be a tiring day! Yikes. Color me convinced that more battery and fuel based generator backup is the way.

Imho wind mills are not worth their investment unless you go to real high latitudes. I have mppt boost controllers so you don't have to put a lot of solar panels in series to charge your

I have a Trojan f25 that I converted into a houseboat it. Currently has 2440 watts of solar on the roof and 40 205 Amp hr 6 volt batteries it is currently wired 12 volt but have room to add 24 more

In my planned design I have two 48v propulsion Lifepo4 banks (one in each hull) and a 24v Lifepo House bank. The propulsion banks will be grounded by their respective pod motor which will be fixed in

Sure, you can do it. And it’s free. And it will give you power w/o sun. However, 200watts from a 400watt AIRX is unrealistic. Why? Power scales with the cube of the windspeed and the 400watt

“8ft…It was rather clunky looking on my 27ft boat.” That sounds exactly like my situation when I ran my AIR403 on my boat. I had maybe an 8’ galvanized tube that fit the AIR fitting,

Yes, you can run them under way. The only time you could not run them is in very high winds. The pole kit I had is 8ft, if I remember correctly. It was rather clunky looking on my 27ft boat.

Thanks. I guess that gets back to my question: is it safe to run the windmills when you are underway? Googling seems to indicate so? All the installations I see it looks as if the entire thing is

We had an airx. I would not recommend wind power. Very noisy, only make power in 10 knots plus, and most anchorages are not windy. When it is windy they do make a good amount of power and noise. Solar

Yeah I’d be interested. I am not in a hurry but tell me more?

I might be interested in your airex windmill. Please message me with additional details, your asking price, and present location of the gear. Fell free to email to tvinypsi@....

I have an unused Airx 48v that I never I never installed. Had for probably 8 years. If you think that could work let me know. -Steve

Yeah I’m with you on this I’ve seen a lot of garbage out there. I also see a lot of (usually nicer boats) in the marina with wind systems that are spinning like crazy and think, it can’t hurt