About: Solar Water Lens   Sponge Permalink

An Entity of Type : owl:Thing, within Data Space : 134.155.108.49:8890 associated with source dataset(s)

They admit it is not intended for latitudes very far from the equator. It requires the sun to be primarily overhead, and will produces heat for maybe three hours on a clear day. The focal length for a lens this size, which is about 75-100 cm in diameter, is relatively long. This means the lens must be supported overhead with a structure holding it about 2.5 m above the focus area. So probably not the most practical way employ solar cooking. None the less, the lens impressively produces temperatures of 175°C (350°F) to 345°C (650°F). In a survival situation in the tropics, with some clear plastic sheeting, water, and some creative carpentry, a cooking source would be possible.

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  • Solar Water Lens
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  • They admit it is not intended for latitudes very far from the equator. It requires the sun to be primarily overhead, and will produces heat for maybe three hours on a clear day. The focal length for a lens this size, which is about 75-100 cm in diameter, is relatively long. This means the lens must be supported overhead with a structure holding it about 2.5 m above the focus area. So probably not the most practical way employ solar cooking. None the less, the lens impressively produces temperatures of 175°C (350°F) to 345°C (650°F). In a survival situation in the tropics, with some clear plastic sheeting, water, and some creative carpentry, a cooking source would be possible.
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dbkwik:solarcookin...iPageUsesTemplate
abstract
  • They admit it is not intended for latitudes very far from the equator. It requires the sun to be primarily overhead, and will produces heat for maybe three hours on a clear day. The focal length for a lens this size, which is about 75-100 cm in diameter, is relatively long. This means the lens must be supported overhead with a structure holding it about 2.5 m above the focus area. So probably not the most practical way employ solar cooking. None the less, the lens impressively produces temperatures of 175°C (350°F) to 345°C (650°F). In a survival situation in the tropics, with some clear plastic sheeting, water, and some creative carpentry, a cooking source would be possible.
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