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Wind turbine blade snaps off UPDATE

October 10 2009 by Ron Cookson (3678 views)
Electricity Generation & Windmills | 3 comments

Simon Potter and Tim Chapman have helped me update the news item that originally appeared in The Daily Telegraph on Saturday 10 October, reporting that strong winds had broken a blade of a 190 ft wind turbine at Catcliffe near Sheffield.

Continued below ...

Article Image

The photograph is copyright Tim Chapman - see http://www.flickr.com/photos/2ubh/2602836715/ a second one can be seen at http://www.flickr.com/photos/2ubh/2603666372/

Tim reported: "The report you've got isn't entirely accurate, so I'd be grateful if you could amend that. The university has two turbines at this site (both WES 30 models), not three. They're not 190ft high, but more like 100ft to the spindle. And, really, they're not close enough to any housing or the local supermarket (which is about a quarter of a mile away) to pose much of an immediate danger - both times the blade broke, it fell onto the grass immediately below the turbine, even with the gales at the time.

The Telegraph story was ripped off wholesale from the local paper (http://www.rotherhamadvertiser.com/News.aspx?id=9629) and somehow added a few errors of its own.

Please also note my pics are from the failure last year - that was due to a malfunctioning gearbox which meant the blades couldn't be parked safely for high winds. The turbines had only just been installed and were having teething troubles - no idea yet why the repaired turbine failed again, but the manufacturers (in Denmark) are investigating."

The Telegraph report stated that this was the second occurrence in 15 months and the manufacturers of the turbine, one of three owned by Sheffield University, were investigating and suggested that "Local residents" were alarmed

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Messages & comments

Default avata
Posted by .(JavaScript must be enabled to view this email address)
Fri, November 19, 2010

I have been trying to decide on a wind turbine for a site I have. after a considerable amount of time and information I am sure to go with the WES system. A dealer flew me to the Netherlands to visit there production line and to visit a WES 250kw wind farm.
I was astounded to find 20 of these turbines all working as they should be. The company assured me that the fault in the Sheffield turbine was due to bad maintenance and installation also there was a building put in front of the turbine which caused turbulance. I can honestly say in comparison to other 250Kw machines this is far superior for reliability and maintenance costs are significantly less than some other turbines. The press have a lot to answer for as there sources of information are generally tweaked to create a more elusive story. I looked up wind turbine failures and watched a Vestas rip itself to pieces. There are several more failures of devastating consequences among this company. I was told by a friend not just to see 1 or 2 turbines of a brand but to atleast see 5 in different areas to get a larger sense of the picture. I hope this helps!!

Default avata
Posted by .(JavaScript must be enabled to view this email address)
Mon, November 22, 2010

I would have to agree with Mr Laverty. I too went to the Netherlands and visited there production line. I spoke to owners of a WES 30. They have had the machine since 1993 and is still fully operational today. There average wind speed was 6.6 M/S. this produced 635,583 kWH X 18.8P (FIT) = 119,500 Pounds.

The fact that i could see all there revenue for the past 17 years with and without feed in tariffs sealed the deal for me. I am currently in Planning and looking forward to having my money machine installed!!!

Default avata
Posted by .(JavaScript must be enabled to view this email address)
Sat, February 05, 2011

“The company assured me that the fault in the Sheffield turbine was due to bad maintenance and installation also there was a building put in front of the turbine which caused turbulance.”

That’s not actually true, however. But good luck with yours, if you are buying one.



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