The windmill in numbers
Please see the different parts under "Parts".
The cone and the tower are made of re-inforced concrete
The cap is made from welded steel plate
The wings are fibre glass
| Height of tower above ground | 53 m |
| Wing diameter | 54 m |
| Widest part of wings | 2,1 m |
| Rotor swept area | 2290 m2 |
| Weight of one wing | 3.2 tons |
| Length of Nacelle | 15 m |
| Cap diameter | 4.8 m |
| Maximum yield | 900 kW |
| Maximum number of revolutions | 21 rev./min. |
| Maximum wing speed at tips | 240 km/h |
| Maximum pressure on tower | 100 tons |
| Combined weight of cap and wings | 110 tons |
| Thickness of tower walls | 30-50 cm |
| Upper tower diameter | 3 m |
| Lower tower diameter | 5,3 m |
| Weight of re-inforcement steel | 160 tons |
| Amount of concrete | 675 m3 |
| Weight of tower and cone | 1620 tons |
| Gear: ASEA from 1958, weight approx | 20 tons |
| Generator: ASEA 1725 kW synchronous AC, from 1954 | 12 tons |
| Main shaft: Propeller shaft from oil tanker from scrap yard in Rotterdam | |
| Annual yield | 0,5 mio. kWh |
| Starting wind speed | 2.5 m/sec |
| Windspeed for maximum production | 8 m/sec |
| Stopping windspeed | 21 m/sec (peak) 16 m/sec (average) |
English (UK) 
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