Tunnelplan Windturbine

Tunnelplan Windturbine

1. General
2. Rotor
3. Blades
4. Nacelle
5. Yaw drive
6. Tower
7. Generator.
8. Wind direction.
9. Parts.

1. General.
The Tunnelplan Wind Turbine is a 1:10 scale model of an existing wind turbine. The diameter of the rotor is 2000 mm (20 meters) and the tower height is 1200 mm (40 meters). the max.ceiling height inside the house.
Solution 4 energy https://www.s4e-online.de/ shows a wind turbine, the 30K20 with:
- Power of 30 kW
- Rotor diameter 19.54 meters
- Speed ​​of 57 rpm
- Active blade adjustment
- Tower height 40 meters
- Power generation at 4.2 meters/sec wind speed, 100,000 kWh/a.

2. Rotor
The rotor is made from an existing 3 blade head which has been shortened to 110 mm. In the head, 3 bearing units are screwed together and provided with a printed bearing with a square of 13 mm. The blade adjustment works with 3 racks and 3 sprockets from which a large number of teeth have been removed. There is a 13 mm hole in the sprockets. B