OPEN HARDWARE OBSERVATORY

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Condition

Printout selection

Options

Parameters [+]

limit:

The maximum number of results to return

offset:

The offset of the first result

link:

Show values as links

headers:

Display the headers/property names

mainlabel:

The label to give to the main page name

intro:

The text to display before the query results, if there are any

outro:

The text to display after the query results, if there are any

searchlabel:

Text for continuing the search

default:

The text to display if there are no query results

import-annotation:

Additional annotated data are to be copied during the parsing of a subject

propsep:

The separator between the properties of a result entry

valuesep:

The separator between the values for a property of a result

template:

The name of a template with which to display the printouts

named args:

Name the arguments passed to the template

userparam:

A value passed into each template call, if a template is used

class:

An additional CSS class to set for the list

introtemplate:

The name of a template to display before the query results, if there are any

outrotemplate:

The name of a template to display after the query results, if there are any

sep:

The separator between results

Sort options

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ResultCodeDebugExtra

To embed this query inline into a wiki page use the code below.

{{#ask: [[ContainsPdfDrawings::Yes]]
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 |?Projectimage=Image
 |?Organization
 |?Lang
 |format=template
 |limit=50
 |offset=32
 |link=none
 |sort=
 |order=asc
 |mainlabel=
 |template=ProjektResults
 |class="search_items_results_page" pagination-container
}}

Results 33 – 82 previous 50 20 50 100 250 500 next 50

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Query log

{
    "query_string": "[[ContainsPdfDrawings::Yes]]",
    "query_source": "SMWSQLStore",
    "query_time": "0.0230",
    "from_cache": false
}

Debug output SQLStore

ASK Query

[[ContainsPdfDrawings::Yes]]

SQL Query

SELECT DISTINCT
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  t0.smw_namespace AS ns,
  t0.smw_iw AS iw,
  t0.smw_subobject AS so,
  t0.smw_sortkey AS sortkey, t0.smw_sort
FROM
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INNER JOIN
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WHERE
(t1.p_id=48963 AND t1.o_id=40547)
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ORDER BY
t0.smw_sort ASC
LIMIT
55
OFFSET
32

SQL Explain

ID	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	ref	s_id, o_id, p_id, s_id_2, s_id_3, o_id_2, o_id_3	o_id_3	9	const, const	208		Using temporary; Using filesort
1	SIMPLE	t0	eq_ref	PRIMARY, smw_id, smw_iw, smw_iw_2	PRIMARY	4	oho_wiki_en.t1.s_id	1		Using where

Auxilliary Tables

No auxilliary tables used.

Query Metrics

Query-Size:2
Query-Depth:1

Errors and Warnings

None

Concrete Block Making Machine - capacity 100 pieces per hour

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

Convertible Bicycle Trailer for people - with shock absorber

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Practical Action

Copy of Zigzag solar water heater

Oseg zswh original1.jpg

File:TRL2-60.png

Blueprints and instructions for the construction of a solar water heater, b...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: OHO e.V.

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

Cosi measure new

COSI Measure is an open source multipurpose 3-axis robot operating in a large volume, that can be equipped with e.g. field mapping probes for static or dynamic...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Open source imaging

Cover Crop Roller

This tool is used to roll standing annual cover crops and crimp the stem to prevent regrowth and create a heavy mulch in place that can be planted through using...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Farm Hack

Cross Flow Turbine

technical drawings and 3d models for a complete cross-flow turbine assembly. project published under license CC-BY-SA 4.0 This project was supported by the germ...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Skat

Crosskage roller

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: L'Atelier Paysan

Crown Cap Machine

Hand operated device for sealing bottle tops Project published under CERN-OHL Licence See: https://practicalaction.org/knowledge-centre/resources/crown-cork-mac...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: Practical Action

The CubeFactory 2 is an autonomous and portable mini factory with own energy and material supply. It embeds three modules: a 3D-printer, a plastic recycler prod...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: TU Berlin

The Cultiridger’s main components are a set of spring tines and a pair of discs. The tool was designed to create and maintain ridges, but it can also be used on...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: L'Atelier Paysan

Detailed drawings for building a Metal cutting shears Project published under CC-BY-SA 4.0 license Project development: Reverse engineering without adviser (B1,...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: ApT

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

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OPEN HARDWARE OBSERVATORY 2020

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