About: Parabolic Earthen Solar Cooker

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About: Parabolic Earthen Solar Cooker Sponge Permalink

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

Sunlight is concentrated to the base of the hole where 10 one gallon black containers of water can be boiled per hour and used for drinking or food preparation. A 210cm(7ft) diameter hole, 150cm(5ft) deep cooks 38 liters(10 US gal) of rice/hr from 11 a.m. to 3 p.m. on an 30°C(85°F) summer day in south central Oregon. Cooking/water boiling containers are accessed via steps carved into the side of the hole. The plates are redistributed with servings of the solar cooked food. When cleaned, the reflective plates can be used as person grooming mirrors until collected the next morning for solar cooking again. The plates rest upon salvaged nails pressed into the sides of the hole. Each plate would be be less than half the diameter of the larger aluminum sheet metal mirrors shown in the image abov

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rdfs:label	Parabolic Earthen Solar Cooker
rdfs:comment	Sunlight is concentrated to the base of the hole where 10 one gallon black containers of water can be boiled per hour and used for drinking or food preparation. A 210cm(7ft) diameter hole, 150cm(5ft) deep cooks 38 liters(10 US gal) of rice/hr from 11 a.m. to 3 p.m. on an 30°C(85°F) summer day in south central Oregon. Cooking/water boiling containers are accessed via steps carved into the side of the hole. The plates are redistributed with servings of the solar cooked food. When cleaned, the reflective plates can be used as person grooming mirrors until collected the next morning for solar cooking again. The plates rest upon salvaged nails pressed into the sides of the hole. Each plate would be be less than half the diameter of the larger aluminum sheet metal mirrors shown in the image abov
dcterms:subject	Solar cooker designs Solar array cooker designs In-the-ground solar cooker designs
dbkwik:solarcookin...iPageUsesTemplate	dbkwik:resource/fNTiBPcj8fe2KcC8wF_ung== dbkwik:resource/oHtQwMp34zyeWUyPt0neVw== dbkwik:resource/o2YYNn03GtGj89DQGD9krQ== dbkwik:resource/LD2Muxi9noZFnmzerQkonw==
abstract	Sunlight is concentrated to the base of the hole where 10 one gallon black containers of water can be boiled per hour and used for drinking or food preparation. A 210cm(7ft) diameter hole, 150cm(5ft) deep cooks 38 liters(10 US gal) of rice/hr from 11 a.m. to 3 p.m. on an 30°C(85°F) summer day in south central Oregon. Cooking/water boiling containers are accessed via steps carved into the side of the hole. The plates are redistributed with servings of the solar cooked food. When cleaned, the reflective plates can be used as person grooming mirrors until collected the next morning for solar cooking again. The plates rest upon salvaged nails pressed into the sides of the hole. Each plate would be be less than half the diameter of the larger aluminum sheet metal mirrors shown in the image above. This will enable the final reflective surface lining the sides of the hole to conform better to its parabolic curvature, thus making possible a more tightly focused concentration of reflected sunlight near the vertex. Given a large enough diameter parabolic hole and smaller diameter mirrors it may even prove to be an effective solar barbecue pit; vegetarian being my preference. Doubling the radius of the hole increases the power of the Earthen Solar Cooker by a factor of four. An Earthen Solar reflector the size of an amphitheater might be capable of casting bronze.

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