OPEN HARDWARE OBSERVATORY

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Cylindrical Grinding machine

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: OHO

DIY Compound Microscope

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: American Peace Corps

DIY Solar Water Heater

Reference: https://www.youtube.com/watch?v=qsBIs7nAQ54&feature=emb_imp_woyt High efficiency, DIY solar water heater panel with basic tools and materials. Includ...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: OpenSourceLowTech

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: University of Warwick, DTU

Darrieus Turbine - 2m combined

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: OHO

Darrieus Turbine Made of PVC Pipes

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Youtube MakerMan

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Practical Action

Donkey Cart Frame

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Practical Action

Drill Press for Heavy Duty - Size 232 mm

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Popular Mechanics

Dual Purpose Weeder

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Practical Action

Electric Saw for Small Metal Works

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: copyright

Engineer's Level Made of 19 mm Tubing

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Thomas E. Riley

Engineers Level - practical and resistant

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Thomas E. Riley

Feeder for rabbits

Rabbit feeder of easy construction, with accessible materials. Original project by Rodale Press, published under CC-BY-SA 4.0 license.

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Rodale Press

Fence Making Machine

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Vita

Ferrocement Tank - 3500 Gallons

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: E. H. Robinson

Fish Dryer Smoker

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: International Labour Office

Fish Dryer-Smoker made with Metal Drum

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: International Labour Office

Flamingo rope pump

The basic parts of a rope pump are the rising main and the rope with the pistons. The rising main is a pipe, usaly made of PVC, that hangs with one end in the g...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: WOT University Twente

Flat Bottom Boat

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: FAO

Flat Bottom Boat Scow-Type

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

Floating Dome Biodigestor

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Appropriate Infrastructure Development Group

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Apt Abatec

Goat Milking Parlor

Goat milking station, easy to build, retractable in case of short parlor stalls.

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Rodale Press

Groundnut Huller

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: ApT

Hammer Mill for Corn Processing

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Apt Abatec

Hand Operated Winnower

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Tropical Products Institut

Handcart - Height 1220 mm

Wikipedia: A hand truck, also known as a dolly, stack truck, trundler, box cart, sack barrow, cart, sack truck, two wheeler, or bag barrow, is an L-shaped box-m...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Unknown

Hay Manger for Rabbits

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Christian Veterinary Mission

Hay and Leaf Baler

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Larry McWilliams

Himalayan Water Wheel

Pelton type open impeller waterwheel for dynamo electric power generation (Grinder not included) Project published under CC-BY-SA 4.0 license This project was s...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Unicef

A module attached to the cultiridger or used on its own directly mounted on the tractor; see below for the plans of a hoe used in market gardening Able to offer...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: L'Atelier Paysan

Homemade Concrete Mixer – 250 Watts

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Popular Science

Wikipedia: A hand truck, also known as a dolly, stack truck, trundler, box cart, sack barrow, cart, sack truck, two wheeler, or bag barrow, is an L-shaped box-m...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Unknown

Honey Extractor

This Honey Extractor is designed to fit a standard, 20 gallon hot dipped galvanized trash can. Drill or cut a hole as close to the bottom of the can as possible...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Garden Way Research

Horizontal Shaft Turbine With Security Tail

Reference: https://www.youtube.com/watch?v=3ISx_n-zkFo

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Youtube Guenther Hacker

Hydraulic Ram for Pumping Water

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Practical Action

Hydraulic Workshop Press

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

Incubator for Babies - Warm and Humidified

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Practical Action

JPL Open Source Rover

OSH project The JPL Open Source Rover is an open source, build it yourself, scaled down version of the 6 wheel rover design that JPL uses to explore the surface...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: NASA Jet Propulsion Laboratory

A hand tool for securing lids onto jars. Project published under CERN-OHL Licence

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Practical Action

Juice Press with 12 to 20 Ton Jack

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Saftstrasse, Germany

Lattice Tower Mast for Wind Turbine

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: WOT

Log Band Saw with 6 m Bed

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

Long Andre cargo bike

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Werkstatt Lastenrad

MAKERphone an educational DIY mobile phone

MAKERphone is an educational DIY mobile phone designed to bring electronics and programming to the crowd in a fun and interesting way.

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: CircuitMess

Manual Fuel Briquette Press

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Practical Action

Manual Winnower for Grains

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Tropical Products Institut

Manual folding Machine 1000mm-JJ

Manual sheet metal bending machine, manufactured with accessible materials, totally professional work. Includes quick clamping system, adjustable upper blade te...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Rescatando Chatarra

Manual shearing machine for 3mm plate

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: OHO

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OPEN HARDWARE OBSERVATORY 2020

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