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DIY Hydropower Waterproof Generator  RSS feed

 
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Hi there

So for a university project i'm wanting to produce a working prototype of a portable hydro kinetic turbine. For this I need a small waterproof generator / gearbox. The generator can be ether AC or DC and the gearbox should be a ratio of around 1:10. I'm struggling to find a component which is fully sealed. Is it better to attempt sealing / waterproofing a component my self?

Many Thanks

 
steward
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Why not have the gearing also transfer the power out of the water to the generator thus making the waterproofing less of an issue.
 
Andrew Scholes
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Thanks, but I was really wanting to produce an 'in-river' portable water generator, kind of similar to Enomad's 'Estream'. I was looking at maybe using a bilge pump as a generator...
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Just my 2 cents worth here. I'd like to hear more about your project.  I read somewhere that a in stream generator made in England Contains mineral oil? Does that make sense. Or is it a jacket of mineral oil that seals a outer and inner seal? Double sealed. I forget the brand. They dont produce a lot of watts. I think 100 watts would be on a good day. And I think there's no gearing inside.
  Low head hydro and in stream hydro is what is needed.
 
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