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  Topic: WinDane 34 help...
erik

Replies: 5
Views: 11747

PostForum: Turbines in general   Posted: Sat Nov 29, 2008 8:19 pm   Subject: WinDane 34 help...
Hi Doug

The Windane 34 was produced at Viborg, Denmark - The location is now run by Vestas. Vestas took over DWT, that produced the Windane 34

Try contacting Vestas service department, the may m ...
  Topic: torque of the tip brake?
erik

Replies: 4
Views: 8539

PostForum: Blades   Posted: Tue Aug 26, 2008 8:04 pm   Subject: torque of the tip brake?
Moin Gerd !

Congratulations with your repair..

The spring constant of 5.4 kp/mm should equal 53 N/mm -It gives the necessary force to compress the spring 1 mm.

If you measure the weight of a ...
  Topic: Manufacturer of turbine?
erik

Replies: 6
Views: 10542

PostForum: Turbines in general   Posted: Tue Aug 26, 2008 7:42 pm   Subject: Manufacturer of turbine?
Sparco - was produced by Næsbjerg Maskincenter in Varde, Denmark. Address: Kirkediget 8, 6800 Varde, Denmark.

Erik
  Topic: Windturbinemodel
erik

Replies: 7
Views: 26777

PostForum: Parts wanted   Posted: Wed Jul 16, 2008 9:27 pm   Subject: Windturbinemodel
Hi Klaus,

I will have it on my mind, but the chances are few ...

best regards

Erik
  Topic: Windturbinemodel
erik

Replies: 7
Views: 26777

PostForum: Parts wanted   Posted: Wed Jul 16, 2008 4:43 pm   Subject: Windturbinemodel
Hi Klaus

Vestas sells small models of around 30 cm height , I guess you know..

Earlier NEC-Micon made models in the same size..

In 1986 I made a number of scale 1:20 or 1:15 models of Nordt ...
  Topic: Rotorspeed/ Windspeed
erik

Replies: 7
Views: 13335

PostForum: Blades   Posted: Mon Jun 30, 2008 8:55 pm   Subject: Rotorspeed/ Windspeed
Hi Gerd,

Your last message gets me into unknown land ... of exciting synchroneous alternators etc. You could try a contact to a guy who has tried this, I think:
Claus Nybroe of www.windmission.dk ...
  Topic: Rotorspeed/ Windspeed
erik

Replies: 7
Views: 13335

PostForum: Blades   Posted: Sun Jun 29, 2008 4:24 pm   Subject: Rotorspeed/ Windspeed
Hi Gerd,

The graph in "aerostar3" is for a fixed pitch and fixed rotor speed machine. If the turbine itself or by means of a "motor start up" is brought to 76 rpm it will produ ...
  Topic: Rotorspeed/ Windspeed
erik

Replies: 7
Views: 13335

PostForum: Blades   Posted: Fri Jun 27, 2008 3:47 pm   Subject: Rotorspeed/ Windspeed
Hi Gerd

Before I find the old graphs, a couple of questions : are you running:
Fixed pitch ? , fixed or variable rpm ? Most early turbines here, had f.eks. a 55 kW main generator, and a low spee ...
  Topic: How to repair Okaer 5m Blades?
erik

Replies: 8
Views: 17484

PostForum: Blades   Posted: Thu Jun 19, 2008 8:38 pm   Subject: How to repair Okaer 5m Blades?
Hi Gerd,

The crack at the bottom of the blade : http://img126.imageshack.us/my.php?image=hpim0626yk8.jpg is not a big problem. The "BDT-plate" is just a cover to ensure that water does no ...
  Topic: How to repair Okaer 5m Blades?
erik

Replies: 8
Views: 17484

PostForum: Blades   Posted: Wed Jun 18, 2008 10:08 pm   Subject: How to repair Okaer 5m Blades?
Hi Gerd,

If you could find a nearby fibreglass shop/ boatbuilder or repair shop, you could perhaps buy materials and learn a little from them. But anyway -

The easiest would be working with poly ...
  Topic: How to repair Okaer 5m Blades?
erik

Replies: 8
Views: 17484

PostForum: Blades   Posted: Tue Jun 17, 2008 7:40 pm   Subject: How to repair Okaer 5m Blades?
Hi Gerd

Sorry, that I did not see your posting before today - I briefly looked at your pictures, and it all seems possible to repair. I will find the time tomorrow to give you some hints on repair ...
  Topic: Help! Information on Vesta V17 and Siemens Combi Mk 2 tubine
erik

Replies: 8
Views: 18446

PostForum: Turbines in general   Posted: Thu Jun 05, 2008 7:14 pm   Subject: Help! Information on Vesta V17 and Siemens Combi Mk 2 tubine
Hello Bob

For the Bonus 300 kW MKII the Hub height is 30 m and the Rotor Diameter is
33.4 m . You can find an old Noise measurement of this Turbine at: http://www.windsofchange.dk/WOC-danturb.ph ...
  Topic: aerostar blade
erik

Replies: 16
Views: 27457

PostForum: Blades   Posted: Thu Jun 05, 2008 6:44 pm   Subject: aerostar blade
Hello Brian

Good to hear that you found the origin of the noise, and that it was not the anchor plates... There should be only one plastic tube for balancing rods in the tip of the main blade. (The ...
  Topic: Kaer Rotorblades indentification and datasheet??
erik

Replies: 12
Views: 10993

PostForum: Blades   Posted: Mon May 26, 2008 8:23 pm   Subject: Kaer Rotorblades indentification and datasheet??
No, you do not need to have a coning angle for the blades, and..
You got it right - about displacement angle... (If the blades still has the initial twist)You could make oval holes to allow for some ...
  Topic: Help! Information on Vesta V17 and Siemens Combi Mk 2 tubine
erik

Replies: 8
Views: 18446

PostForum: Turbines in general   Posted: Sun May 25, 2008 4:32 pm   Subject: Help! Information on Vesta V17 and Siemens Combi Mk 2 tubine
Hello Bob

Perhaps you could mail the "Vestas Owners" group in Danish Wind Turbine Owners Association. E-mail address to their contact, Jan Langelund is found in the link below, he might b ...
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