Some experimental data


This table describes the technical characteristics of wind turbines with horizontal axis on the market based on the type and length of the blades.

Power
300W
600W
1KW
2KW
3KW
5KW
10KW
blades length (m)
1,1
1,4
1,6
2
2,5
3
4
blades diameter (m)
2,2
2,8
3,2
4
5
6
8
number of blades
3
3
3
3
3
3
3
min wind speed (m/s)
2,5
2,5
2,5
2,5
2,5
2,5
3
average wind speed  (m/s)
7,5
7,5
7,5
9
10
10
10

Based on measurements made on our experimental prototype with speed wind 7 m / s, blade length 1 m and ratio x 10, we obtained the following data:

Strong torque : 35 Nm

number of laps : 650

It means obtaining a power of 2.5 kW
Assuming that under load will have a 25% yield we get about 600 w, for these powers at 7 m/s wind speed, the current turbines have a diameter of more than 3 meters.
Furthermore commercial wind turbines ranging in speed to 11.5 m / s while our car is up to speed with wind velocity equal to 7 m/s .
These measurements were not done in a wind tunnel but they are very encouraging.

For more info contact us.

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