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Old 03-12-2018, 22:35   #1
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Join Date: Jul 2016
Location: Alameda, California
Boat: Islander 36
Posts: 75
Waterlily 12v Hydrogenerator

I came across this on the net. It is a tiny waterwheel that can be towed behind a boat (or placed in a stream).

Minimum Charge Speed
In Water: 0.28 m/s (1 kph) (0.62 mph)
In Wind: 3 m/s (10.8 kph) (6.7 mph)

Output and Connectors
Output: DC 14.6V
Up to 2A
Up to 30W
Connector: 2-Pin SAE
Charge Cord Length: 10 feet (3.05 meters)

Does it produce enough to be worthwhile?
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smith8273 is offline   Reply With Quote
Old 04-12-2018, 02:56   #2
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Join Date: Aug 2008
Boat: Trident marine Voyager 30
Posts: 202
Re: Waterlily 12v Hydrogenerator

At ~6 knots you get 1A charging current. Even the smallest solar panel will beat that and the solar panel would not cost USD200.

Anders is offline   Reply With Quote
Old 04-12-2018, 04:22   #3
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Join Date: Jul 2014
Location: Crete , Greece
Boat: Beneteau first 26
Posts: 655
Re: Waterlily 12v Hydrogenerator

There is already in the Chinese market for far less , and you can put an 5 kw or.smaller electric motor on an outboard leg and have 5 to 8 amps on almost the same price plus an electric outboard if you like diy
gmakhs is offline   Reply With Quote
Old 08-12-2018, 22:45   #4
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Posts: 1,602
Re: Waterlily 12v Hydrogenerator

Almost enough to charge your cell phone...

I am sure it has a market somewhere, but seems little more than a toy to the average cruising boat, unless you want to tow a string of 5, 6, or 10 of them. Of course for that price there are better solutions.
billknny is offline   Reply With Quote

generator, water

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