Solar Cooker - diameter 1.4m

Solar Cooker - diameter 1.4m Basic Data Category: Solar cooker Keywords: solar, oven, parabolic, energy, reflector, cook, food, watt, boil, mirror License: CC BY-SA 4.0 Organization: OHO Project status: Active Certification status: Approved Technical documentation Maturity of the project: prototype Contains PDF-drawings: Yes CAD files are editable: Yes Assembly instructions are published: Yes Bill of materials is published: Yes no yes yes

Description

Based on: https://www.youtube.com/watch?v=joJRrljm30g--

Technical documentation

PDF plans
Files: oho_cs14_Cocina Solar de diámetro 1.4m_0.02.pdf

CAD files
Files: oho_cs14_STP-files.zip oho_cs14_DWG-files.zip oho_cs14_CAD-files.zip

Project development

Based on the DIN 2221 standard, among others, OHO has established a series of stages in which the satisfactory completion of this project was carried out 1 Feasibility study Manufacturing as OSAT technology is possible? Materials, components Required materials and components can be sourced or replaced locally? ✓ Yes, All the materials can be found in local environments, in the case of the reflective coating it may be necessary to purchase it online, however it is not a material that is difficult to access Manufacturing processes Required manufacturing processes can be povided locally? ✓ Yes This is a type of project that is normally developed with local technologies, no specialized knowledge or complex equipment is required to manufacture this cooker Specific training Is specific training for manufacturing necessary and can be provided? ✗ No No specific training is required for the execution of this project, only general knowledge about workshop processes Sustainability Do all materials and processes meet the sustainability criteria? ✓ Yes The product and its production process can be considered as sustainable 2 Market analisis and requirements Functional and quantitative requirements Functional and quantitative requirements Market analysis Analysis of the current products on the market: GDAE10 Portable Solar Cooker, 1800W 5ft Dia Outdoor Camping for Solar Heating, Visual Education or DIY Solar Concentrator 59" Dia * Price [USD]: 120 * Source: amazon * Country: USA * Machine condition: New * Indicated power [W]: 1800 * Maximum temperature [°C]: 350 * Reflective area [m2]: 1.7 Deluxe Portable Solar Oven with Complete Cookware, Thermometer and Dehydrating Rack by Sunflair * Price [USD]: 160 * Source: amazon * Country: USA * Machine condition: New * Maximum temperature [°C]: 140 Sun-Mitra Square Shape Solar Cooker, 525X525mm * Price [USD]: 94 * Source: amazon * Country: India * Machine condition: New * Maximum temperature [°C]: 200 * Reflective area [m2]: 0.28 MrMapMax Portable Solar Stove 4.5L Large Capacity Outdoor Solar Oven Camp Stove with Thermometer for 2-3 People Backpacking Hiking Family Party * Price [USD]: 240 * Source: amazon * Country: USA * Machine condition: New * Indicated power [W]: 200 * Maximum temperature [°C]: 288 * Reflective area [m2]: 0.13 Requirements definition Definition of the main technical data: Power [W]: 1000 Maximum temperature [°C]: 200 Reflective area [m2]: 1.5 Optimal functions and features Definition of necessary/optional functions and features: Includes mobile support structure: Mandatory Solar orientation indicator: Mandatory Made with durable materials: Mandatory 3 Search & analisis DIY technologies The best technical solutions for all parts and components OHO Search engine Customization of the OHO search engine Since it is a highly known product in the DIY sector, our repository has several examples within the category of solar cookers Manual search Manual search in Google, Youtube, special websites etc. * Title: DIY solar cooker from scrap.. how to make solar parabolic dish * Views: 54000 * Likes: 630 * Comments: 60 * Detail: Parabola with radial segments, cardboard shell * Title: How to make a simple solar cooker to understand the use of solar energy * Views: 2200000 * Likes: 16000 * Comments: 909 * Detail: Box model * Title: Parabolic Satellite Dish Conversion - Solar Cooker * Views: 2300000 * Likes: 17000 * Comments: 1036 * Detail: Recycled antenna disc * Title: How to make a solar cooker using mirror * Views: 17000 * Likes: 281 * Comments: 19 * Detail: Mirror coating * Title: Building instructions for a solar cooker 1,400 watts (part 3 of 4) * Views: 9000 * Likes: 25 * Detail: Parabola with conic segments * Title: How to Make Copenhagen Solar Cooker * Views: 30809 * Likes: 420 * Comments: 43 * Detail: Panel template or Copenhagen * Title: Vajra Solar Cooker Project Nepal * Views: 12000 * Likes: 101 * Comments: 9 * Detail: Reference equipment, Semi-industrial design * Title: How to build a solar cooker with parabolic reflector part 3 * Views: 1770 * Likes: 797 * Comments: 47 * Detail: more info here 4 Development and documentation Plans and specifications of all parts and components Analisis of functions & structures Analysis of functions, assemblies and components Based on the model taken as a reference, the necessary assemblies were devised to make up the equipment, with the following premises: * Parts made of metal * Parabolic disk of radial segments * Reflective surface integrated into the pieces (without glued paper or mirrors) * Support structure with wheels to facilitate continuous orientation Technical solutions Development of technical solutions for assemblies and parts A review of the different options adopted in the DIY machines was carried out to meet each design requirement, observing the following variants for some evaluated details: * Evaluated detail: Main design Radial dish Annular parabolic Box Panel * Evaluated detail: Reflective coating Aluminum Mirrors Adhesive paper Although there is no reference in this regard, it is proposed to use a chrome paint to achieve the reflective surface, a commercial reference is specified in the technical notes See related comments: Discussion Technical documentation Creation of plans, parts lists, assembly instructions Once all the necessary information was available, the project plans were prepared Peer-Reviews Peer-Reviews by the community, team members, experts etc. Among some revised and improved aspects of the project, prior to the publication of the plans, we can mention: * Simplified design of the parabolic segments, achieving a very precise shape only by matching the rivet holes between adjacent segments * Inclusion of a circular strap to give strength to the plate and better hold the clamps * Simplification of the structure with welded and complete profiles 5. Manufacturing, tests and improvements To date, this project is on hold for manufacturing The purchasing, prototype manufacturing, testing, and documentation updating sub-processes, will be developed once the manufacturing stage is executed 6. Certification DIN Spec 3105 Formal audit Verification of the completeness of the documents: * Parts list * Drawings of all parts and assemblies * Assembly instructions * Optional documents, technical notes * These formal aspects have been verified, the project meets them satisfactorily Assignment of reviewers Search and assignment of peer-reviewers with sufficient expertise: Xtech2020_review Thehunter Peer-reviews Realization of the peer reviews, technical clarification, improvements: In the Parts list section, necessary comments and discussions have been made by the assigned reviewers and the developer Certificate Issue of the certificate: The project was reviewed by two reviewers from the OHO team. The review consisted of the following components: * Completeness check: Checks if all required documents have been submitted. * Review of the submitted documents: Checks if the information in the submitted documents is complete and correct. - Bill of materials - Are all parts and assemblies covered? - Are all quantities correct? - Are all required material specifications available? - Are all specifications for purchased parts and standard parts complete? * Technical drawings - Are all the required views available? - Are all required dimensional data available? * Suggestions for improvement Detail abot the review process: https://en.oho.wiki/wiki/Instructions_for_Reviewers Permanent Link: https://en.oho.wiki/index.php?title=Solar_Cooker_-_diameter_1.4m&oldid=45841

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Parts list

Pos.	Qty.	Part Name	Part code	Part Type	Specifications	Review Status	Show All Comments
A1	1	3D Views				REV1: Approved REV2: Approved Edit Edit All	PDF
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A2	1	3D Explosion Views				REV1: Approved REV2: Approved Edit Edit All	PDF
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B		Parts list				REV1: Approved REV2: Approved Edit Edit All	PDF
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C		Technical notes				REV1: Approved REV2: Approved Edit Edit All	PDF
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1.00	1	Reflector				REV1: Approved REV2: Approved Edit Edit All	PDF
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1.01	20	Parbolic segment		Production	26 gauge galvanized steel sheet (0.48 mm)	REV1: Approved REV2: Approved Edit Edit All	PDF
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1.02	2	Articulation support		Production	Angle 1 1/2*1 1/2*1 1/2*4mm*150mm	REV1: Approved REV2: Approved Edit Edit All	PDF
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1.03	4	Clamp channel		Production	Round iron pipe 1 1/4", sch40*150mm	REV1: Approved REV2: Approved Edit Edit All	PDF
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1.04	8	Clamp ear		Production	Plate 1*1/8"*150mm	REV1: Approved REV2: Approved Edit Edit All	PDF
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1.05	4	Articulation screw		Standard	Hexagonal bolt M8*16mm, grade 5	REV1: Approved REV2: Approved Edit Edit All
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1.06	4	Hinge nut		Standard	Hexagonal nut M8, grade 5	REV1: Approved REV2: Approved Edit Edit All
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1.07	4	Hinge washer		Standard	Flat washer for M8	REV1: Approved REV2: Approved Edit Edit All
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1.08	6	Clamp screw1		Standard	Hexagonal screw M6*12mm, grade 5	REV1: Approved REV2: Approved Edit Edit All
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1.09	2	Clamp screw2		Standard	Hexagonal bolt M6*40mm, grade 5	REV1: Approved REV2: Approved Edit Edit All
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1.10	8	Clamp nut		Standard	Hexagonal nut M6, grade 5	REV1: Approved REV2: Approved Edit Edit All
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1.11	2	Clamp bolt		Standard	Wing bolt M8*12mm	REV1: Approved REV2: Approved Edit Edit All
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1.12	2	Clamp nut		Standard	Hexagonal nut M8, welded	REV1: Approved REV2: Approved Edit Edit All
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1.13	1	Reflector band		Production	Plate 1*1/8"*4473mm	REV1: Approved REV2: Approved Edit Edit All	PDF
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2.00	1	Structure				REV1: Approved REV2: Approved Edit Edit All	PDF
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2.01	2	Fixed shaft		Production	Round iron pipe, 1", sch40	REV1: Approved REV2: Approved Edit Edit All	PDF
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2.02	6	Burner beams		Production	Plate 1*1/8"*200mm	REV1: Approved REV2: Approved Edit Edit All	PDF
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2.03	6	Burner support		Production	Round iron bar 10mm*100mm	REV1: Approved REV2: Approved Edit Edit All	PDF
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2.04	4	Strut		Production	1*1"*2mm*830mm square iron pipe 1*1"*2mm*830mm	REV1: Approved REV2: Approved Edit Edit All	PDF
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2.05	2	Base1		Production	Square iron pipe 1*1"*2mm*1700mm	REV1: Approved REV2: Approved Edit Edit All	PDF
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2.06	2	Base2		Production	Square iron pipe 1*1"*2mm*800mm	REV1: Approved REV2: Approved Edit Edit All	PDF
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2.07	4	Adjustable wheel		Buy	Caster type adjustable wheel or similar, diameter 2".	REV1: Approved REV2: Approved Edit Edit All
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