» Electronics » Sound and Acoustics »Rubens pipe with your own hands, as a model or a piece of cottage interior

Do-it-yourself Rubens pipe, like a model or an object





To begin with, what is a Rubens pipe and how does it work. The Rubens Pipe is a physical experiment to demonstrate a standing wave. It is based on the relationship between sound waves and air (or gas) pressure. The experiment with the Rubens pipe is designed to demonstrate and explain that sound is a wave whose length depends on the frequency (notes) emitted by the players. Even schoolchildren know that sound is a wave phenomenon, and the experiment with this device acts as a proof of this. It works as follows. The perforated pipe is filled with combustible gas. At the ends of the pipe installed aperture. If you direct a sound source to the diaphragm, then a standing wave is formed within the pipe. When the speaker is turned on, areas of high and low pressure are formed in the pipe. Where, due to sound waves, there is an area of ​​increased pressure, more gas leaks through the holes and the flame height is greater.

Let's watch a short demo video, the truth is another wizard.



In my opinion, such a device can be used not only as a training tool, but also as an interer in any bar or club (observing safety precautions of course), but you can enjoy fire music on a warm summer evening in the country.
So, to build such a Rubens pipe, the master used the following

Tools and materials:
-Ventilation duct;
- Clamps;
-Polyethylene film;
Epoxy putty;
-Silicone tube;
-Connectors for the diameter of the tube;
-Drill;
-Insulating tape;
-Scissors for metal;
-Scotch;
-Drill;
-Roulette;
- Electric jigsaw;
-Board;
-Marker;
-Circular Saw;
-Pliers;
-Propane burner;
-Rewinding;
-File;
-Cylinder with thermal paint;
- clamps;






Step One: Holes
For his homemade the craftsman used a ventilation pipe 10 cm in diameter and 150 cm long. On the pipe marks a distance of 105 cm.Cuts the pipe in a circle. Both halves will be needed in the future.



Cuts two pieces of plywood 90 centimeters long, and equal to the width of the unfolded pipe.


Then clamps the unfolded pipe between the cut blanks.



Now you need to drill holes in the metal. As a template, you will need to serve the top fox plywood with printed markings.
First you need to measure the middle of the sheet across (not plywood, but metal) and put marks on both sides. Then measure the center of the sheet. Now draw the axial and divide it into four equal segments. Marks points every 1.27 cm. Drills holes with a 1.5 mm drill. Between 1 and 2, 3 and 4 segments down 5.5 cm drills holes with a diameter of 6 mm.







Step Two: Pipe
Makes a pipe, as in the photo. Before installing the fittings in the tube, wrap the FUM tape on them.



Then unscrew the cap on the burner and drill the nozzle with a drill 1, 5 mm.



Cleans the installation location of the jets with a file. He puts a tube on the end of the burner, connects the other end of the tube to the pipe. Install the nozzles in the holes in the pipe.



For fixing uses epoxy putty.








Step Three: Pipe
Folds the pipe and fixes along the seam with tape. Adhesive tape along the ends of the pipe to the edge.





The ends of the pipe closes with plastic wrap.








Step Four: Stand
Now you need to do what the pipe will stand on. For supports, the master cuts out plates from the second piece of pipe, and bends them, as in the photo.





Next you need to install them.

Pulls a collar around a pipe and marks with a marker a line of a tightening of a collar.


Takes off a collar and equals with a mark with a cut line of a support. Draws a line, on the other hand.


Cleans the clamp with a file. From label to label it applies epoxy putty. Glues the support. Fixes with clamps.







The putty is dry and the clamps can be removed.


By the same technology, at the bottom of the support, glues the bracket.









Step Five: Painting
Stain supports.






It paints the pipe with heat-resistant paint, having previously sealed the holes with tape.



Step Six: The Base
The master made the base from the board. Cut off the desired size, polished. Secured the pipe.




Everything is ready, it remains to connect the gas cylinder and ignite the burner. The master advises to close the burners with tape, fill the pipe with gas, and then remove the tape and light it. The gas is on, it remains to bring a sound reproducing device on one side and enjoy the fire-music-)))

Caution, be careful with gas. If you are not confident in your abilities, then do not try to repeat this device.
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8 comments
Author
This is IMHO, as responsible for the gas business enterprise
What 04? It all works from a gas spray
VVD_64
Everything is beautiful until a “kulibin” certified by the gas industry has flashed a che-thread. Okay, the “h” kick will burn, or it’ll even grab the neighbors. For service 04, your favorite client will earn money, and if a neighbor finds out about it, then Directly hollow until trouble happened. This is IMHO, as responsible for the gas business of the enterprise.
Author
Probably if you do it yourself for a long time, then you need other pipes. This is already someone that you like. The author has considered enough epoxy putty. In general, if you think over everything and do it beautifully, an interesting thing can happen.
Cyrus
and the epoxy seems to be afraid of heat, as I understand it, the design will still heat up over time. why not use rivets. ?
Author
Well, you compared. Image and real fire. This seems to be impossible to compare. For understanding, a picture or diagram is enough to look at, but it’s not that. Recently showed the transfer of Posner, he shot a school in Finland. It’s just a museum of physics, chemistry, etc. .. All exhibits are working, everything can be touched, any experiment can be carried out, etc. many physical laws are presented clearly and informatively. And this is not a demonstration school, there are all of them.
Guest Sergey
So much fucking, explosive, and for what? We put the "spectrum analyzer" program on the computer, connect a large TV to the computer, and we get bouncing bars, multi-colored - this is if the analyzer is simple. And now three-dimensional ones have appeared - I don’t know what to compare with ... The Leningrad Rock Opera Theater “Jesus Christ the Superstar” once brought us to us. Aria of Herod. The crowd, to show debauchery at the court of the king, depicts a fuck in all poses. Now, if you would cover the stage at that moment with a huge blanket (and shimmering in different colors) - this is approximately the image on the screen of a three-dimensional spectrum analyzer.
And you offer a tube with lights, as in the oven, ...
Author
Scribe style

in the next article I will insert the word "scribe", well, what would you like.
Erog
The scribe’s presentation style is simple. As a first grader writes.

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