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Technical dates
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Material of the frame 1.4301 (V2A)
Material of the wings High polished and rolled AL sheets, Reflection 93 %
Total weight about 20 kg
Measure open 240 cm, closed 70 cm
Mirror face (2 wings) 2 m2
average wattage (measured at I direct, average = 1000 W/m2, 6 litre H2O, wind-quiet) Pth = 1,2 KW
Average efficiency nth  = 60 %

The following dates were drawn up in the capital city of Ethiopia. The water boiled at 95 degrees since we were on a height of about 2.500 meters.
 

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