OPEN HARDWARE OBSERVATORY
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From OHO - search engine for sustainable open hardware projects


 Savonius.png
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


 Apc sts strapping-scale 0000.jpg
Scale Made with a Flat Spring
 
   Contains PDF Blueprints: Yes

   Contains CAD Files: Yes
License: CCBYSA40


 Scooter-with-fat-tire-for-sportmen.png
Scooter with Fat-tire with 6 hp Engine
 
   Contains PDF Blueprints: Yes

   Contains CAD Files: Yes
License: CCBYSA40


 Screen printing press.png
Screen printing press
This tool will allow you to make one-colour prints on many different substrates. It comes with a printing board specially designed to hold t-shirts, but it can...
 
   Contains PDF Blueprints: Yes

   Contains CAD Files: No
License: CCBYNCSA40


 Seed Cleaner .png
Seed Cleaner - for Repeated Seed Sorting
 
   Contains PDF Blueprints: Yes

   Contains CAD Files: Yes
License: CCBYSA40


 Turbine.png
Segner Turbine for 4m Pit
 
   Contains PDF Blueprints: Yes

   Contains CAD Files: Yes
License: CCBYSA40


 Single Pan Balance.png
Single Pan Balance
Single pan balance, made of affordable materials, practical for laboratory students and general purpose uses.
 
   Contains PDF Blueprints: Yes

   Contains CAD Files: Yes
License: CCBYSA40


 Small Composting Box.png
Small Composting Box
 
   Contains PDF Blueprints: Yes

   Contains CAD Files: Yes
License: CCBYSA40


 Small water turbine.png
Small water turbine
This project shows the construction plans for a small 5 kW water turbine based on the research of Dr. Mohammad Durali at MIT. According to the original developm...
 
   Contains PDF Blueprints: Yes

   Contains CAD Files: Yes
License: COHL12


 Smelting Furnace DIY.png
Smelting Furnace DIY
 
   Contains PDF Blueprints: Yes

   Contains CAD Files: Yes
License: CCBYSA40


 Snow Sled with 10 hp .png
Snow Sled with 10 hp Outboard Motor
 
   Contains PDF Blueprints: Yes

   Contains CAD Files: Yes
License: CCBYSA40


 Oho cs14 render4.jpg
Solar Cooker - diameter 1.4m
Based on: https://www.youtube.com/watch?v=joJRrljm30g--
 
   Contains PDF Blueprints: Yes

   Contains CAD Files: Yes
License: CCBYSA40


 Solar food dryer.png
Solar Food Dryer for Vegetables
 
   Contains PDF Blueprints: Yes

   Contains CAD Files: Yes
License: CCBYSA40


 Oho cs1 render2.jpg
Solar Water Heater - Capacity 100L
 
   Contains PDF Blueprints: Yes

   Contains CAD Files: Yes
License: CCBYSA40


 Solar Water Heater with Corrugated Metal .png
Solar Water Heater with Corrugated Metal Collector
 
   Contains PDF Blueprints: Yes

   Contains CAD Files: Yes
License: CCBYSA40


 Solar Water Heater with Serpentine Collector.png
Solar Water Heater with Serpentine Collector
 
   Contains PDF Blueprints: Yes

   Contains CAD Files: Yes
License: CCBYSA40


 Solar Wax Melter.png
Solar Wax Melter
 
   Contains PDF Blueprints: Yes

   Contains CAD Files: Yes
License: CCBYSA40


 Wheel Jig.png
Spoked Wheel Jig
 
   Contains PDF Blueprints: Yes

   Contains CAD Files: Yes
License: CCBYSA40


 Spring Scale DIY.png
Spring Scale DIY
 
   Contains PDF Blueprints: Yes

   Contains CAD Files: Yes
License: CCBYSA40
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