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has anyone got a wind turbine?


Mike_scotland
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4 minutes ago, Wil said:

I did have a self installed 1kW wind turbine...

 

It died in a storm after about 9 months of generating very little. It was a total bodge job, but in comparison to my solar it did almost nothing... It was good to have and I miss it's minor contributions on overcast winter days and nights.

 

20211031_122131.thumb.jpg.49343354b76d02ef3bc4d9ed84822de7.jpg

What a shame! That's sad!

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It was a sad day indeed. It's still sat in the shed awaiting a new set of blades and a better mounting structure!

 

It managed to bend a scaff pole to 45degrees on it's way down too... My self installed bodge didn't include a good way of getting it up and down in the event of high winds, so was kind of inevitable it was going to overload at some point.

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14 hours ago, saveasteading said:

If I was to get one it would be for an outbuilding where the noise was far enough away and power demand low, rather like the ones on yachts that can power 3 lights and a radio.

Boat ones tend to be low power devices (200 to 600 W), put them on land and they will produce even less.

Power generation is proportional to the cube of the windspeed.

 

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I was joking but a marine wind turbine costing, say, £1.25 k should very comfortably give you 6 W; the one I looked at said 160 W rated power.  You would need to mount it on a scaffold pole and then you would need an inverter and wiring. 

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That one I posted that died above, was about £800 all in for inverter and controller plus probably another £100 of scaff and mounting brackets. As above, stuck on an old stable away from everything else.

 

It tended to gust (funnily enough) rather than constant and would often overspeed and dump to a resistor. In a strong wind it would do about 100Wh constantly with peaks of up to 600W instantaneously.

 

Currently wondering whether I can homebrew some VAWT blades to attach to the hub as it's only really the blades that are knackered.

Edited by Wil
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21 minutes ago, Wil said:

Currently wondering whether I can homebrew some VAWT blades to attach to the hub as it's only really the blades that are knackered.

If you have one blade that is intact, find a GRP company and see if they can copy it.

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1 hour ago, SteamyTea said:

If you have one blade that is intact, find a GRP company and see if they can copy it.

 

Eeenteresting. Hadn't thought of that approach. Only problem with that is I need to come up with a better mounting system too!! ? Will go and google GRP firms locally... thanks!

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6 minutes ago, Wil said:

 

 

Eeenteresting. Hadn't thought of that approach. Only problem with that is I need to come up with a better mounting system too!! ? Will go and google GRP firms locally... thanks!

They would probably have to make a simple, single sided mould, but should be able to modify the mountings.  May not perform quite as well, but would be a relatively easy job.

The small Proven WT had plywood vanes.

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