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[[Image:Sunny_Cooker_-_LSA_1.jpg|300px|right]] |
[[Image:Sunny_Cooker_-_LSA_1.jpg|300px|right]] |
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[[File:Sunny_Cooker_string_attachment.jpg|thumb|right|300px|A string is added across the base panels to help maintain shape.]] |
[[File:Sunny_Cooker_string_attachment.jpg|thumb|right|300px|A string is added across the base panels to help maintain shape.]] |
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In early 2008, [[Teong Tan]] set a goal to create a functional solar cooker, from a flat sheet of cardboard, by using 25% less material than that required for a [[CooKit]] solar cooker. The end result, after about eight month's time, is the '''Sunny Cooker'''. |
In early 2008, [[Teong Tan]] set a goal to create a functional solar cooker, from a flat sheet of cardboard, by using 25% less material than that required for a [[CooKit]] solar cooker. The end result, after about eight month's time, is the '''Sunny Cooker'''. |
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| − | The Sunny Cooker, made from a |
+ | The Sunny Cooker, made from a 36" x 36" sheet of cardboard, has multiple triangular shape reflector panels to help focus sunlight towards a cooking pot. It is designed in such a way that its contour can be easily re-shaped, simply by tilting the cooker forward or backward. Altering the contour of the cooker would enable the cooker to become more efficient in capturing the sunlight at different sun angles. |
==Material and construction steps== |
==Material and construction steps== |
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| − | To construct a Sunny Cooker, this will require a square sheet of corrugated cardboard measuring |
+ | To construct a Sunny Cooker, this will require a square sheet of corrugated cardboard measuring 36”x36”, aluminum foil and glue. |
The following are the construction steps for the Sunny Cooker: |
The following are the construction steps for the Sunny Cooker: |
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#Glue the aluminum foil on one side of the square cardboard. |
#Glue the aluminum foil on one side of the square cardboard. |
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#Cut away all unwanted parts. |
#Cut away all unwanted parts. |
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#Crease and fold along the fold lines. |
#Crease and fold along the fold lines. |
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| − | #Cut open the four slots, and widen them to about the same dimension as the thickness of the cardboard. |
+ | #Cut open the four slots, and widen them to about the same dimension as the thickness of the cardboard. |
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[[Image:Sunny_Cooker_Construction_Plan.jpg|none|600px]] |
[[Image:Sunny_Cooker_Construction_Plan.jpg|none|600px]] |
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==Settings and cooking== |
==Settings and cooking== |
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| − | To cook, put food in a black metal pot (3 to 4 liters |
+ | To cook, put food in a black metal pot (3 to 4 liters size), and cover the pot with a clear glass lid. Enclose the pot inside a clear oven bag, if available, and place the cooking pot on top of the cooker’s base. Set the cooker according to the instructions in the two previous paragraphs, and face the cooker directly towards the Sun to start cooking. Adjust the cooker, from time to time, to ensure that the sunlight stays focused on the cooking pot. |
Tilt the cooker forward, as shown in the above illustration, should there be a need to start cooking even when the sun is still low, less than 35°. It would also help if the cooking pot is raised higher by an inch or two, with a support, to better capture the low sunlight. |
Tilt the cooker forward, as shown in the above illustration, should there be a need to start cooking even when the sun is still low, less than 35°. It would also help if the cooking pot is raised higher by an inch or two, with a support, to better capture the low sunlight. |
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==Storage and Transportation== |
==Storage and Transportation== |
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[[Image:Sunny_Cooker_-_Storage_Folding_Steps.jpg|350px|right]] |
[[Image:Sunny_Cooker_-_Storage_Folding_Steps.jpg|350px|right]] |
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| − | The Sunny Cooker can be fully folded by first releasing the two locking tabs from their slots, and following the folding steps shown in the illustrations below. A fully folded Sunny Cooker measures about |
+ | The Sunny Cooker can be fully folded by first releasing the two locking tabs from their slots, and following the folding steps shown in the illustrations below. A fully folded Sunny Cooker measures about 21”x18”x3”. |
Some of the joints, between panels, may remain flat when a folded cooker is taken out of storage and re-assembled for use. To correct this, it is necessary to refold the cooker, along its existing fold lines, and adjust the panels until you get an even cooker curvature. |
Some of the joints, between panels, may remain flat when a folded cooker is taken out of storage and re-assembled for use. To correct this, it is necessary to refold the cooker, along its existing fold lines, and adjust the panels until you get an even cooker curvature. |
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I hope that the introduction of the Sunny Cooker design will be able to help bring about meaningful savings due to a reduction in the amount of construction material required. |
I hope that the introduction of the Sunny Cooker design will be able to help bring about meaningful savings due to a reduction in the amount of construction material required. |
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==External links== |
==External links== |
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*[http://www.freewebs.com/sunnycooker/sunnycookerplan.htm Teong Tan's page about the Sunny Cooker] |
*[http://www.freewebs.com/sunnycooker/sunnycookerplan.htm Teong Tan's page about the Sunny Cooker] |
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| − | *[http://sunnycooker.m.webs.com/site/mobile?dm_path=%2Findex.htm&fw_sig_permission_level=0&fw_sig_api_key=522b0eedffc137c934fc7268582d53a1&fw_sig_premium=1&fw_sig=86a7c0c8ffa702066836cec82c9ef048&fw_sig_url=http://sunnycooker.webs.com/&fw_sig_access_token=a7a8904cc77cf48b0d0b3369521f6d9b3f36b5e2&fw_sig_social=1&fw_sig_is_admin=0&fw_sig_site=17475095&fw_sig_locale=en-US&fw_sig_potential_abuse=1&fw_sig_permissions=none&fw_sig_time=1397574900576&fw_sig_session_key=59dd7bf8ae0a8d281cdd5e1804fc302849097facb094280877e3cb47d210aa2c-17475095&fw_sig_tier=0&fb_sig_network=fw#1102 Sunny Cooker.m.webs.com] |
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[[Category:Solar cooker designs]] |
[[Category:Solar cooker designs]] |
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[[Category:Solar cooker plans]] |
[[Category:Solar cooker plans]] |
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