{"id":4599,"date":"2015-03-27T12:48:46","date_gmt":"2015-03-27T02:48:46","guid":{"rendered":"http:\/\/project.theownerbuildernetwork.co\/?p=4599"},"modified":"2025-11-03T10:39:21","modified_gmt":"2025-11-03T00:39:21","slug":"parabolic-solar-oven","status":"publish","type":"post","link":"https:\/\/theownerbuildernetwork.co\/project\/2015\/03\/27\/parabolic-solar-oven\/","title":{"rendered":"How to Build a Parabolic Solar Oven"},"content":{"rendered":"\n<figure class=\"wp-block-image aligncenter wp-image-4600 size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"600\" src=\"http:\/\/project.theownerbuildernetwork.co\/files\/2015\/03\/ParabolicSolarOven01.jpg\" alt=\"Parabolic Solar Oven\" class=\"wp-image-4600\" srcset=\"https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven01.jpg 800w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven01-300x225.jpg 300w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven01-768x576.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Parabolic Solar Oven<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">We live in a world ruled by consumerism, which means we buy many more things than we need.&nbsp; In the end, we find our homes filled with a lot of stuff that no longer serves any purpose. And we have trouble getting rid of them, especially if we think they might \u201ccome in handy\u201d one day. Sometimes, that\u2019s where our most creative repurposing ideas come in.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Here&#8217;s a clever project that can&nbsp;cook your food in an&nbsp;emergency when no alternative&nbsp;fuel is available &#8211; a parabolic solar oven! But why wait? You can build a parabolic solar oven just for the fun of&nbsp;seeing how it works. It&#8217;s a great project to do with the kids as it highlights the power of our sun!<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.amazon.com\/GOSUN-Survival-Gear-Solar-Cooker\/dp\/B00KLKJB72\/ref=sr_1_3?tag=theownebuilne-20\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" width=\"1000\" height=\"526\" src=\"https:\/\/project.theownerbuildernetwork.co\/files\/2023\/07\/Portable-Solar-Oven.png\" alt=\"\" class=\"wp-image-42370\" srcset=\"https:\/\/theownerbuildernetwork.co\/project\/files\/2023\/07\/Portable-Solar-Oven.png 1000w, https:\/\/theownerbuildernetwork.co\/project\/files\/2023\/07\/Portable-Solar-Oven-768x403.png 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/project.theownerbuildernetwork.co\/files\/2015\/03\/ParabolicSolarOven05.jpg\" alt=\"Parabolic Solar Oven\" class=\"wp-image-4604\" srcset=\"https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven05.jpg 800w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven05-300x225.jpg 300w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven05-768x576.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">A parabolic solar oven is an oven that makes use of solar energy &#8212; the cleanest, most abundant renewable (and free) energy source that we have. \ud83d\ude42&nbsp;This parabolic solar oven can give you a litre of boiling water within 20 minutes. You can&nbsp;cook a full meal in 45 to 60 minutes on a good day!<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>What do you think of this parabolic solar oven?<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Click on any image to start the lightbox display. Use your Esc key to close the lightbox.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-3 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/project.theownerbuildernetwork.co\/2015\/03\/27\/parabolic-solar-oven\/parabolicsolaroven01\/\" data-lasso-id=\"8796\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" data-id=\"4600\" src=\"https:\/\/project.theownerbuildernetwork.co\/files\/2015\/03\/ParabolicSolarOven01.jpg\" alt=\"Parabolic Solar Oven\" class=\"wp-image-4600\" srcset=\"https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven01.jpg 800w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven01-300x225.jpg 300w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven01-768x576.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/project.theownerbuildernetwork.co\/2015\/03\/27\/parabolic-solar-oven\/parabolicsolaroven12\/\" data-lasso-id=\"8797\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" data-id=\"4611\" src=\"https:\/\/project.theownerbuildernetwork.co\/files\/2015\/03\/ParabolicSolarOven12.jpg\" alt=\"Parabolic Solar Oven\" class=\"wp-image-4611\" srcset=\"https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven12.jpg 800w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven12-300x225.jpg 300w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven12-768x576.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/project.theownerbuildernetwork.co\/2015\/03\/27\/parabolic-solar-oven\/parabolicsolaroven11\/\" data-lasso-id=\"8798\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" data-id=\"4608\" src=\"https:\/\/project.theownerbuildernetwork.co\/files\/2015\/03\/ParabolicSolarOven11.jpg\" alt=\"Parabolic Solar Oven\" class=\"wp-image-4608\" srcset=\"https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven11.jpg 800w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven11-300x225.jpg 300w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven11-768x576.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/project.theownerbuildernetwork.co\/2015\/03\/27\/parabolic-solar-oven\/parabolicsolaroven17\/\" data-lasso-id=\"8799\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"1019\" data-id=\"4614\" src=\"https:\/\/project.theownerbuildernetwork.co\/files\/2015\/03\/ParabolicSolarOven17.jpg\" alt=\"\" class=\"wp-image-4614\" srcset=\"https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven17.jpg 800w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven17-236x300.jpg 236w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven17-768x978.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/project.theownerbuildernetwork.co\/2015\/03\/27\/parabolic-solar-oven\/parabolic-solar-oven-step-03\/\" data-lasso-id=\"8800\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"550\" data-id=\"4605\" src=\"https:\/\/project.theownerbuildernetwork.co\/files\/2015\/03\/Parabolic-Solar-Oven-Step-03.jpg\" alt=\"Parabolic Solar Oven\" class=\"wp-image-4605\" srcset=\"https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/Parabolic-Solar-Oven-Step-03.jpg 800w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/Parabolic-Solar-Oven-Step-03-300x206.jpg 300w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/Parabolic-Solar-Oven-Step-03-768x528.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/project.theownerbuildernetwork.co\/2015\/03\/27\/parabolic-solar-oven\/parabolicsolaroven05\/\" data-lasso-id=\"8801\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" data-id=\"4604\" src=\"https:\/\/project.theownerbuildernetwork.co\/files\/2015\/03\/ParabolicSolarOven05.jpg\" alt=\"Parabolic Solar Oven\" class=\"wp-image-4604\" srcset=\"https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven05.jpg 800w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven05-300x225.jpg 300w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven05-768x576.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/figure>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Materials:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>5mm thick plywood<\/li>\n\n\n\n<li>1&#8243; thick timber<\/li>\n\n\n\n<li>Plastic cable ties<\/li>\n\n\n\n<li>Nuts and bolts<\/li>\n\n\n\n<li>Screws<\/li>\n\n\n\n<li>Rope<\/li>\n\n\n\n<li>2 rolls of&nbsp;adhesive aluminium tape<\/li>\n\n\n\n<li>Bamboo pole<\/li>\n\n\n\n<li>Potholder setup<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Tools:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.amazon.com\/dp\/B006V6YAPI?tag=theownebuilne-20\" target=\"_blank\" rel=\"sponsored noopener\" data-lasso-id=\"415\" data-lasso-name=\"BLACK+DECKER 20V MAX* POWERECONNECT Cordless Drill\/Driver + 30 pc. Kit (LD120VA)\">Cordless drill<\/a><\/li>\n\n\n\n<li>Welding tools<\/li>\n\n\n\n<li>Knife<\/li>\n\n\n\n<li><a href=\"https:\/\/www.amazon.com\/dp\/B01HD6N80W?tag=theownebuilne-20\" target=\"_blank\" rel=\"noopener\" data-lasso-id=\"416\">Hammer<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Steps:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"550\" src=\"http:\/\/project.theownerbuildernetwork.co\/files\/2015\/03\/Parabolic-Solar-Oven-Step-01.jpg\" alt=\"Parabolic Solar Oven\" class=\"wp-image-4601\" srcset=\"https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/Parabolic-Solar-Oven-Step-01.jpg 800w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/Parabolic-Solar-Oven-Step-01-300x206.jpg 300w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/Parabolic-Solar-Oven-Step-01-768x528.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The idea is that if the parabola is cut symmetrically along 8 radial directions and flattened out, then it would appear like a 16-petalled flower. So once you have the petals made of any flexible material you can bend them into the shape of a parabola.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">I used 5 mm thick plywood. I think you can use thinner plywood, but then you&#8217;ll need to add a stronger structure to stiffen the parabola. Have a look <a href=\"http:\/\/home.germany.net\/100-441770\/amsi2.pdf\" target=\"_blank\" rel=\"nofollow noopener\" data-lasso-id=\"417\">here<\/a>, they use a metallic structure to keep everything stiff.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">I used <a href=\"http:\/\/ashokk_3.tripod.com\/srinivasan.htm\" target=\"_blank\" rel=\"nofollow noopener\" data-lasso-id=\"418\">this<\/a> publication to calculate the dimensions of the petals. I had to tweak it a little bit to have something I could use.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/docs.google.com\/spreadsheets\/d\/1FRolCSxTmaPWG-6BgGYLTjBjqGtdlQkYWqyuTmX8Ud8\/edit?usp=sharing\" target=\"_blank\" rel=\"nofollow noopener\" data-lasso-id=\"419\">Here<\/a> is a google spreadsheet with everything you need (you can download it to modify it).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Once you&#8217;ve cut the petals, drill holes every 20 cm along the sides of the petals so that you attach them with the plastic cable&nbsp;ties.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"550\" src=\"http:\/\/project.theownerbuildernetwork.co\/files\/2015\/03\/Parabolic-Solar-Oven-Step-02.jpg\" alt=\"Parabolic Solar Oven\" class=\"wp-image-4603\" srcset=\"https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/Parabolic-Solar-Oven-Step-02.jpg 800w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/Parabolic-Solar-Oven-Step-02-300x206.jpg 300w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/Parabolic-Solar-Oven-Step-02-768x528.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The discs will force the bottom of the parabola to be plane. Without them, it&#8217;s just impossible to bend the plywood!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cut two discs of 20 cm out of plywood. Divide them like a pie into 16 equal parts and drill holes 2 cm from the outside of the discs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Drill a hole of the same width 8 cm from the base of each petal.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sandwich the petals between the two discs using bolts.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Continued on page 2&#8230;<\/p>\n\n\n\n<!--nextpage-->\n\n\n\n<h2 class=\"wp-block-heading\">Parabolic Solar Oven &#8211; continued<\/h2>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"http:\/\/project.theownerbuildernetwork.co\/files\/2015\/03\/ParabolicSolarOven05.jpg\" alt=\"Parabolic Solar Oven\" class=\"wp-image-4604\" srcset=\"https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven05.jpg 800w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven05-300x225.jpg 300w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven05-768x576.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"550\" src=\"http:\/\/project.theownerbuildernetwork.co\/files\/2015\/03\/Parabolic-Solar-Oven-Step-03.jpg\" alt=\"Parabolic Solar Oven\" class=\"wp-image-4605\" srcset=\"https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/Parabolic-Solar-Oven-Step-03.jpg 800w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/Parabolic-Solar-Oven-Step-03-300x206.jpg 300w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/Parabolic-Solar-Oven-Step-03-768x528.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">I&#8217;ve used a plastic cable tie to hold the plywood together. I&#8217;ve found it easier to go gradually from the centre to the edges of the parabola as shown in the pictures. You can also circle the parabola with a rope, it will help.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"586\" src=\"http:\/\/project.theownerbuildernetwork.co\/files\/2015\/03\/ParabolicSolarOven08.jpg\" alt=\"Parabolic Solar Oven\" class=\"wp-image-4606\" srcset=\"https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven08.jpg 800w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven08-300x220.jpg 300w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven08-768x563.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The aluminium will reflect the sunlight on the cooking pot. I used 2 adhesive aluminium tapes of 25mx5cm which cost me 10 \u20ac each.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"http:\/\/project.theownerbuildernetwork.co\/files\/2015\/03\/ParabolicSolarOven09.jpg\" alt=\"Parabolic Solar Oven\" class=\"wp-image-4607\" srcset=\"https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven09.jpg 800w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven09-300x225.jpg 300w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven09-768x576.jpg 768w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven09-624x468.jpg 624w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven09-50x38.jpg 50w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven09-100x75.jpg 100w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven09-600x450.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">I&#8217;ve found that is better to add the aluminium tape when the plywood is already bent (else the surface won&#8217;t be flat once bent)<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"http:\/\/project.theownerbuildernetwork.co\/files\/2015\/03\/ParabolicSolarOven11.jpg\" alt=\"Parabolic Solar Oven\" class=\"wp-image-4608\" srcset=\"https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven11.jpg 800w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven11-300x225.jpg 300w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven11-768x576.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The potholder is on the focal axis of the parabola so that it can also be used as a pivot for the parabola.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The position of the potholder depends on the shape and the size of your parabola but in any case, you can find it in the spreadsheets of the first step.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"http:\/\/project.theownerbuildernetwork.co\/files\/2015\/03\/ParabolicSolarOven10.jpg\" alt=\"Parabolic Solar Oven\" class=\"wp-image-4609\" srcset=\"https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven10.jpg 800w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven10-300x225.jpg 300w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven10-768x576.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Drill a hole on two opposite petals. I used an electric wood saw to cut an ellipse (the intersection of a parabola and a cylinder can be approximated by an ellipse). The cylinder I used has a diameter of 4cm so I cut an ellipse of 4x6cm.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"http:\/\/project.theownerbuildernetwork.co\/files\/2015\/03\/ParabolicSolarOven13.jpg\" alt=\"Parabolic Solar Oven\" class=\"wp-image-4610\" srcset=\"https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven13.jpg 800w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven13-300x225.jpg 300w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven13-768x576.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The welding should be very strong! I&#8217;ve added two extra &#8220;branches&#8221; on each side because of the weight of the pot (I have a pot of 20L).<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"http:\/\/project.theownerbuildernetwork.co\/files\/2015\/03\/ParabolicSolarOven12.jpg\" alt=\"Parabolic Solar Oven\" class=\"wp-image-4611\" srcset=\"https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven12.jpg 800w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven12-300x225.jpg 300w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven12-768x576.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The place where you put the pot should be a bit lower than the rest so that the center of the pot will be on the focal point.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"http:\/\/project.theownerbuildernetwork.co\/files\/2015\/03\/ParabolicSolarOven15.jpg\" alt=\"Parabolic Solar Oven\" class=\"wp-image-4612\" srcset=\"https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven15.jpg 800w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven15-300x225.jpg 300w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven15-768x576.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">I used a big green bamboo pole that I cut in 4 to stiffen the parabola. The parabola could be stiffer, but it&#8217;s alright like this!<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"402\" src=\"http:\/\/project.theownerbuildernetwork.co\/files\/2015\/03\/ParabolicSolarOven16.jpg\" alt=\"Parabolic Solar Oven\" class=\"wp-image-4613\" srcset=\"https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven16.jpg 800w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven16-300x151.jpg 300w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven16-768x386.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"1019\" src=\"http:\/\/project.theownerbuildernetwork.co\/files\/2015\/03\/ParabolicSolarOven17.jpg\" alt=\"ParabolicSolarOven17\" class=\"wp-image-4614\" srcset=\"https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven17.jpg 800w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven17-236x300.jpg 236w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/ParabolicSolarOven17-768x978.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Bamboo poles are very easy to cut, use a big knife and a hammer. Cut it while green and flexible and then let it dry on the parabola.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"550\" src=\"http:\/\/project.theownerbuildernetwork.co\/files\/2015\/03\/Parabolic-Solar-Oven-Final-Image.jpg\" alt=\"Parabolic Solar Oven\" class=\"wp-image-4615\" srcset=\"https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/Parabolic-Solar-Oven-Final-Image.jpg 800w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/Parabolic-Solar-Oven-Final-Image-300x206.jpg 300w, https:\/\/theownerbuildernetwork.co\/project\/files\/2015\/03\/Parabolic-Solar-Oven-Final-Image-768x528.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The support should be strong enough for the parabola and the cooking pot. I made it stiffer by adding wood along the diagonal.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">I&#8217;ve also added a little handle to the parabola so that it is easier to rotate and transport.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This parabolic solar oven is a great way to prepare any basic meal when camping or to use it in an emergency. The materials that are needed for this parabolic solar oven project are easy to obtain from your local hardware store, and may even be found around your home.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">Thanks to&nbsp;<span class=\"author\"><span style=\"text-decoration: underline\"><a title=\"view yasintoda's profile\" href=\"https:\/\/www.instructables.com\/member\/yasintoda\/\" rel=\"author\" data-lasso-id=\"420\">yasintoda<\/a><\/span>&nbsp;for this great tutorial!<\/span><\/h5>\n","protected":false},"excerpt":{"rendered":"<p>We live in a world ruled by consumerism, which means we buy many more things than we need.&nbsp; In the end, we find our homes filled with a lot of stuff that no longer serves any purpose. And we have trouble getting rid of them, especially if we think they might \u201ccome in handy\u201d one [&hellip;]<\/p>\n","protected":false},"author":13557,"featured_media":33518,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"","_seopress_titles_desc":"Build a powerful solar oven from household items you already own. 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