With 120 intensities of the sun, the Vesta reaches 400°C and delivers 1800 Watts.
That’s enough power to bring a liter of water to boil in under 5 minutes, at no fuel cost.
See the Vesta Construction Guide for guidance.
But before, take a look at the Vesta-Batant Differences.
And then, the Why is it Good? page.
Finally, ask a question or leave a comment here
Characteristics:
The Vesta is designed to be big and powerful enough to sterilise all the water and cook most of the food of a family of 4-6 people, yet still be built locally.
Total of 2.7 m^2 surface area of mirrors
30 compound mirrors, 30x30 cm each
1800 Watts
Can boil a litre of water 5 min
Can vaporise 2.7 L/hour of water
Focal temperature of 300° to 400°C
Ground surface area : 4m^2.