OPEN HARDWARE OBSERVATORY

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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

Add sorting condition

ResultCodeDebugExtra

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

{{#ask: [[Category:Ventilation, air conditioning]]
 |?Desc
 |?Projectimage=Image
 |?Licence
 |?ContainsPdfDrawings
 |?Firstin
 |?CadFilesAreInEditableFormat
 |format=template
 |limit=50
 |offset=0
 |link=none
 |sort=
 |order=asc
 |mainlabel=
 |template=ProjektResults
 |class=search_items_results_page pagination-container
}}

Results 1 – 50 previous 50 20 50 100 250 500 next 50

JSON CSV RSS RDF

Query log

{
    "query_string": "[[Category:Ventilation, air conditioning]]",
    "query_source": "SMWSQLStore",
    "query_time": "0.0324",
    "from_cache": false
}

Debug output SQLStore

ASK Query

[[Category:Ventilation, air conditioning]]

SQL Query

SELECT DISTINCT
t0.smw_id AS id,
  t0.smw_title AS t,
  t0.smw_namespace AS ns,
  t0.smw_iw AS iw,
  t0.smw_subobject AS so,
  t0.smw_sortkey AS sortkey, t0.smw_sort
FROM
`smw_object_ids` AS t0
INNER JOIN
(`smw_fpt_inst` AS t1
INNER JOIN
`t2` AS t2 ON t1.o_id=t2.id) ON t0.smw_id=t1.s_id
WHERE
t0.smw_iw!=':smw'
  AND t0.smw_iw!=':smw-delete'
  AND t0.smw_iw!=':smw-redi'
ORDER BY
t0.smw_sort ASC
LIMIT
55
OFFSET
0

SQL Explain

ID	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t2	ALL	PRIMARY				15		Using temporary; Using filesort
1	SIMPLE	t1	ref	s_id, o_id, s_id_2, o_id_2	o_id_2	5	oho_wiki_en.t2.id	13		Using index
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

Temporary table t2
Recursively computed hierarchy for element(s) (810).
SELECT s_id FROM `smw_fpt_subc` WHERE o_id=810 LIMIT 1

Query Metrics

Query-Size:1
Query-Depth:0

Errors and Warnings

None

"Wanjiku" Ventilator Do It Yourself (DIY) Using a Stepper Motor ...

09.06.2020 · https://youtu.be/eLJPc52WYo8 Making a DIY Ventilator using a stepper motor. For construction of the ventilator, we need: A piece of woodA

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

$100 Homemade Air Conditioner - DIY

It's ridiculously hot in my workshop, so I built a homemade air conditioner using a cooler, box fan, water pump, and tubing.

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

(PDF) Electric Fan Heater Design for Eco-Energy Saving Semantic ...

Several induction heating methods are attractive for Eco-energy and energy saving. In this paper, electrical fan heater was designed and developed wit

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

100W Mini Heater (DIY)

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

 File:YTB.YCppa7jq470.jpg

14 examples ( efficiency) of this type of Solar heaters DIY

I made these solar heaters with my own hands to measure their energy capabilities, and this video will show the measurement ...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

2 do it yourself Outdoor Wood Burner Boiler (Hydronic Wood burning stove) free heat

Video on my outdoor wood burner project. If my videos help you and you decide to make your own, please consider using these ...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

2 homemade ecofan, domaci ventilator na krb

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

5 do it yourself Home Heater Ideas with Step-by-Step Guide - The Soothing Air

Staying warm is one of the major concerns during the cold winter season. Every year, we have to spend a lot of money on heating systems and the cost of staying...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

? Boiler drawings in AutoCAD Download CAD (710.22 KB ...

Confirm the email on Google and try again. Your account is inactive. To request a reactivation you can contact us by email at.

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

? do it yourself Box Fan Humidifier/Air Filter, Low Noise?

A completely silent humidifier which also purifies air. Ultrasonic ones are silent too but they send dissolved in water minerals into ...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

???? HOW TO MAKE an AIR PURIFIER with HEPA filter for RESIN 3D PRINTER?

In this video I will explain step by step

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

????Home Air Purifier with Lowcost HEPA FILTER - Quick and Easy

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

A DIY Air Filter Using MERV 13 Filters

HVAC contractor Neil Comparetto of Comparetto Comfort Solutions LLC in Virginia walks you through how to make an

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

A do it yourself Tiny House Heater

A simple, do it yourself heating solution that will cost you pennies per day. This heater uses two clay pots as the stove and tea lights as the ...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

ABC acres: Rocket Mass Heater Start (and) Batch Box Plans - episode 057

Join ABC acres, a Permaculture Farmstead in Hamilton, MT as we briefly show the start-up process of our batch box style rocket ...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

Air Filter Design Tips - Universal Air Filter

Basic air filter specification begins with selecting filter dimensions to meet airflow requirements and size constraints, then selecting a media configuration t...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

Air heating pyrolysis boiler (homemade )

Hot Air wood boiler gasification Homemade pyrolysis boiler heat generator 45 kW heating made for a small production.

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

Are DIY Box Fan Air Filters SAFE?

One of the biggest questions I get on this

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

Awesome Air Heater - The "Stack Boot" Air Heater - Easy do it yourself (350F+) Mini Off-Grid Furnace

Awesome do it yourself Air Heater. The "Stack Boot" Air Heater. very easy to build. This Room/Air Heater produces temps equal to (or ...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

Between Brews: DIY HLT and Heat Exchanger HomeBrewTalk.com ...

23.02.2017 · Build a DIY Heat Exchanger. Step one is to gather the tools and components required. For the heat exchanger coil we selected the same one

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

Boiler Buzz: How do I choose a meal plan?

For more information about Purdue University's meal plan, visit: https://dining.purdue.edu/ResidentialDining/mealplans/ Comment ...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

Boiler ignition test used or burned homemade inventions

manufacturing a used motor oil boiler for heating a house, this time without finishing it we will turn it on with ...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

Build A do it yourself Aluminium Solar Air Heater

Visit the link below for a detailed step by step guide and 3D CAD for this project: ...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

Build Preview: do it yourself Solar Heat Pump

Incorporating solar photovoltaics with a cold climate air source heat pump. This cogenerative system uses cold outside air to ...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

Building A Solar Heat Pump System

Maximize savings returns from your solar PV and mini-split heat pump investments by incorporating them together into one hybrid ...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

Building Heat Exchangers

Radiator Service building heat exchangers.

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

Building My New Safe do it yourself Boiler From a Propane Tank

I made this from a 16.4oz propane bottle. I used 1/2 inch copper pipes for the boiler tubes. I can't wait until I have the fire box done ...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

Building My Outdoor Furnace Heat Exchanger

I needed an inexpensive way to heat my camper for the winter so after watching videos from others I decided to build my own.

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

Building a Vertical Steam Boiler Part 1

Building of a Steam Boiler using 6" type L copper pipe.

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

Cheap DIY Tent Air Conditioner - Solar Powered - Camping Habits

04.11.2018 · Cheap DIY Tent Air Conditioner - Solar Powered · Step 1: Find an old ice cooler that you don't use anymore · Step 2: Mark down the holes

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

Check out the do it yourself Solar Water Heater You Can Make for Around $30

All photos viaThis do it yourself solar water heater is made from common hardware store materials and can be assembled for about $30.Here's a hot water heater t...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

ClimateMaster Geothermal Heat Pump Simple do it yourself Installation - GeothermalHeatPumpDIY

Go to my GeothermalHeatPumpdo it yourself website for more detailed do it yourself info, and to find out how to get a complete homeowner DIY ...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

DEPOSIT OF HOME INERTIA FOR BOILER OF BIOMASS WITH SOLAR SUPPORT

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

DIY 12v Ceramic Air Heater (w/fan) +alum. fins Simplest Heater Hack Ever can be Solar or Bat Pwrd

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

DIY Air Conditioners - Instructables

DIY Air Conditioners: The heat wave is on this summer in America and you, naturally, want to stay cool. It's about survival, it's about freedom, it's

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

DIY Air Heater - Brick-Pile Radiant Space Heater - Survival/SHTF Heater - 400F - uses NO electr.

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

DIY Dehumidifier (Cheap Effective)

Calcium Clorid effectively binds water. Water binding as well as dissolution in water is highly exothermic and the ambient ...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

DIY Geothermal heat exchanger using well water (Part 2)

This is part 2 of my geothermal well install (Part 1 is here: https://youtu.be/IRLLbmcnYjA) where I connect up the

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

DIY Heat Pump - Vinje's Sheet Metal DIY Heating

You won't find with any other DIY guys. Equipment Sizing - We offer free professional sizing to help you choose the brand and type of equipment that f

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

DIY Large Area Air Heater Heat Ex. w/Quiet AC Fan (10 MPH breeze) hi-temps 25K BTU Poss. Ez DIY

Vid shows how to set up an AC Powered "large area" Hot-Water-Powered Air

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

DIY Mechanical Ventilator, Breathing machine. Аппарат ИВЛ. Ventilatore meccanico. Beatmungsgerät.

Positive pressure mechanical

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

DIY Mobile Air Cleaner Cart. DIY Air Filter Cart. (Free Plans)

Hello Guys, This week I decided to build a mobile

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

DIY Shop Air Filter For Less Than $50

A Friend gave me a squirrel cage fan from an old furnace and I envisioned using it to power a shop

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

DIY Shop Dust Filter Plans / How to Clean Air in Your Woodshop

This DIY shop dust filter is a must have Is your woodworking space full of dust making it hard to breathe? Make this

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

DIY Ventilator Prototype Convert CPAP Machine To A Ventilator

I made a simple apparatus to use a standard CPAP machine in a way similar to a respirator as a fixed cycle respirator with ...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

DIY Ventilator System 1 Ventilator for 2 Patients Emergency Epidemic Medicine

This video is about ongoing viral ideas of use of

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

DIY Video: How to build a Homemade Solar Heat Pump System to ...

07.09.2018 · An air source heat pump consists of an evaporator coil, a condenser, two fans, a compressor, and plumbing lines containing a refrigerant.

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

DIY Whole home air filter for smoke and pollution with carbon and HEPA filter-parts under $130

In this video I show you how to put together an easy home

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

DIY electric air dehumidifier

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

DIY: Solar Water Heater Plans Easy and Fun to Follow

Link= http://tinyurl.com/SimpleSolarWaterHeater These do it yourself Solar Water Plans can save you up to 33% on your Electric Bill: Learn ...

   Contains PDF Blueprints: No

   Contains CAD Files: No

License: unknown

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OPEN HARDWARE OBSERVATORY 2020

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