Specifications

55
Product Manufacturer
Peak Output
(Watts)
Blades
Diameter
Peak
Speed
(m/s)
Cut In
Speed
(m/s)
Cut Out
Speed
(m/s)
10kW
Westwind
10 6.2 16 3 26
20kW
Westwind
20 10 15 3 18
20kW
Westwind
20 10 15 3 18
3kW
Westwind
3 3.7 17 3.5 26
5kW
Westwind
5.5 5.1 16 3 26
Bee 800 0.8 1.75 12 3.5 26
Bornay 600 0.6 2 11 3.5 26
Bornay 1500 1.5 2.86 14 3.5 26
Bornay 3000 3 4 14 3.5 26
Bornay 6000 6 3.9 14 3.5 26
Proven 7 3.2 3.5 12 2.5 26
Proven 11 6 5.5 12 2.5 26
Proven 35 15 9 12 2.5 26
Evoco 10 10 9.65 9.5 2.5 26
Evoco
Airsurfer 1.5
1.5 3.2 12 2.5 26
Gaia 133
Gaia Wind
11 13 9.5 3 26
Iskra R9000
Evance
5 5.4 12 2.5 26
Scirocco
Eoltec
6 5.6 12 2.7 26
Alize
Fortis
10 7 13 2.5 15
Montana 5.8 5 17 2 25
Passaat 1.4 3.12 16 3 26
S-250 5 5.5 14 4 24
S-343 5.2 5.2 12 4.1 24
G-3120 35 19.2 11 3.5 25
E-3120 55 19.2 11 3.5 25
45444
Sunforce
0.6 2.1 12.5 2 70
Skystream
3.7
Skystream
2.4 3.72 13 3.5 25
Westwind
Bornay
Proven
Evoco
Endurance
Figure 42 – Wind Turbine Comparison Chart
With all of these factors taken into account the Sunforce model 45444 micro wind
turbine was chosen to satisfy all of these criteria. The Sunforce 45444 surpassed all
other observed micro wind turbines in cost, constructability, and performance in the
specified environment.
The first reason that the Sunforce 45444 was noticed was the cost of the device with
some vendors prepared to sell the device for around five hundred dollars. Other
comparable micro wind turbines were in the range of seven hundred to one thousand