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From OHO - search engine for sustainable open hardware projects


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Axial Flow Turbine 25kW
   Contains PDF Blueprints: Yes
   Contains CAD Files: Yes
License: CCBYSA40




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Darrieus Turbine - 2m combined
   Contains PDF Blueprints: Yes
   Contains CAD Files: Yes
License: CCBYSA40


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Darrieus Turbine Made of PVC Pipes
   Contains PDF Blueprints: Yes
   Contains CAD Files: Yes
License: CCBYSA40



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Floating Dome Biodigestor
   Contains PDF Blueprints: Yes
   Contains CAD Files: Yes
License: CCBYSA40



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Horizontal Shaft Turbine With Security Tail
Reference: https://www.youtube.com/watch?v=3ISx_n-zkFo
   Contains PDF Blueprints: Yes
   Contains CAD Files: Yes
License: CCBYSA40


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Lattice Tower Mast for Wind Turbine
   Contains PDF Blueprints: Yes
   Contains CAD Files: Yes
License: CCBYSA40


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Parabolic Solar Cooker with Aluminium Reflector
   Contains PDF Blueprints: Yes
   Contains CAD Files: Yes
License: CCBYSA40


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Santa Cruz Solar Collector
   Contains PDF Blueprints: Yes
   Contains CAD Files: Yes
License: CCBYSA40


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Savonius Rotor of 1m Diameter
   Contains PDF Blueprints: Yes
   Contains CAD Files: Yes
License: CCBYSA40


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Savonius Rotor with Two Blade Levels
   Contains PDF Blueprints: Yes
   Contains CAD Files: Yes
License: CCBYSA40


Sawdust Stove Made with a 20 L Tin Can
   Contains PDF Blueprints: Yes
   Contains CAD Files: Yes
License: CCBYSA40


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Segner Turbine for 4m Pit
   Contains PDF Blueprints: Yes
   Contains CAD Files: Yes
License: CCBYSA40



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Solar Cooker - diameter 1.4m
Based on: https://www.youtube.com/watch?v=joJRrljm30g--
   Contains PDF Blueprints: Yes
   Contains CAD Files: Yes
License: CCBYSA40


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Solar Food Dryer for Vegetables
   Contains PDF Blueprints: Yes
   Contains CAD Files: Yes
License: CCBYSA40


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Solar Water Heater - Capacity 100L
   Contains PDF Blueprints: Yes
   Contains CAD Files: Yes
License: CCBYSA40


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Solar Water Heater with Corrugated Metal Collector
   Contains PDF Blueprints: Yes
   Contains CAD Files: Yes
License: CCBYSA40


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Solar Water Heater with Serpentine Collector
   Contains PDF Blueprints: Yes
   Contains CAD Files: Yes
License: CCBYSA40


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Tubular Plastic Biodigester
   Contains PDF Blueprints: Yes
   Contains CAD Files: Yes
License: CCBYSA40


 Vertical Axis Sail Windmill .png
Vertical Axis Sail Windmill - Diameter 3 m
   Contains PDF Blueprints: Yes
   Contains CAD Files: Yes
License: CCBYSA40



 Uk wtd wind-turbine-with-vertical-metal-drum-sails 0001.jpg
Wind Turbine with Vertical Metal Drum Sails
   Contains PDF Blueprints: Yes
   Contains CAD Files: Yes
License: CCBYSA40


 Windmill Blades.png
Windmill Blades - Diameter 1.5 to 3 m
   Contains PDF Blueprints: Yes
   Contains CAD Files: Yes
License: CCBYSA40


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Windmill Blades - Diameters 60 to 120 mm
   Contains PDF Blueprints: Yes
   Contains CAD Files: Yes
License: CCBYSA40


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Wood Cookstove Singer
   Contains PDF Blueprints: Yes
   Contains CAD Files: Yes
License: CCBYSA40















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2 Savonius windmill self build...
   Contains PDF Blueprints: No
   Contains CAD Files: No
License: unknown






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7 do it yourself Solar Dehydrators You Can Make at Home - True Activist
   Contains PDF Blueprints: No
   Contains CAD Files: No
License: unknown






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???? DIY Biogas digester low tech lifestyle
Toni shares his low-tech lifestyle and
   Contains PDF Blueprints: No
   Contains CAD Files: No
License: unknown








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BUILD WIND TURBINE from the... barrel ?
Step by step tutorial on how to build a solar panel
   Contains PDF Blueprints: No
   Contains CAD Files: No
License: unknown











 CWL.281965.1.jpg
Biogas Plant Design Gobar Gas Design, Diagram, Construction at ...
   Contains PDF Blueprints: No
   Contains CAD Files: No
License: unknown















 YTB.CCYanK1j-3E.jpg
Build a mini solar panel 2
Instructions to build a
   Contains PDF Blueprints: No
   Contains CAD Files: No
License: unknown
















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Build your own MPPT solar charge controller
In this video I put together an MPPT
   Contains PDF Blueprints: No
   Contains CAD Files: No
License: unknown


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Build your own solar hot air collector and save a lot of money ???????? Part 1
Solar
   Contains PDF Blueprints: No
   Contains CAD Files: No
License: unknown
OPEN HARDWARE OBSERVATORY 2020
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