Swinging Sticks homemade
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- Опубліковано 1 чер 2019
- Here are my diy swinging chaos sticks. At 5:30" you can see the bottom of the base and how it is build. The cost is between 25 - 50 USD depending on sourcing.
Electronic and coil are the one published by Tony Gasparovic in the September 2009 Nuts and Volts magazine. Balance between sticks is crucial for smooth swinging and is only portion of a gr.! For my small sticks, the balance between long and small portion is only 0.1 gr.
For the big one, with the small stick in place with a 90° angle, the weight difference is 0.8 gr.
Size of my homemade swinging sticks
- small: 43.5 cm
- big 56 cm - Навчання та стиль
Great tutorial, thank you very much!
Thanks for the info. Will do mine too
Cool, I will be happy to see it when done ;-) Good work!
Quarantine makes us to do those stuffs...
You are awesome. I am trying to make one since ages and just couldn’t achieve a perfect balance between the sticks.. the one that I made was was spinning like crazy ... if possible can you please share the list of materials, dimensions and schematics..
To make it I used:
- One piece of plain wood (55*10*2.5 cm)
- 2 Aluminum tubes of 1 meter ( external diameter is 12 mm and walls are 1 mm, so it gives a 10mm internal diameter… enough to hide all magnets and bearings)
- 4 double shielded mini bearings ( 2 * 6 *3 mm - type 692ZZ)
- 4 small disc magnets (6 * 3 mm)
- 2 or 3 larger disc magnets (10 * 5 mm)
- 2mm diameter piano cord for rods axis
- 6 mm diameter tube of plastic for the center of the coil
- Some 3d printed parts (3dhubs.com is your friend if you do not have one) that can also be made out of wood rods but you will need a column drill
- Electronic and coil are the one published by Tony Gasparovic in the September 2009 Nuts and Volts magazine. It uses only 2 transistors (I used 2N2222 and 2N3906), one diode and 2 resistors. My coil (28 AWG enameled copper) is about 7 mm in height (I winded it until 10.2 ohms to be precise) and I did not add the led (LED1) nor the switch (S1)
- Distance between coil and magnet of the long arm should be as narrow as possible…
I recommend keeping it less than 2 mm. Magnet at the bottom of the long arm should be perfectly centered over the center of the coil
- Use quality bearings (NSK, …etc)… not the crappy one’s sold on Ebay for less than 0.5 USD each… you will waste your money…. And, most important: your TIME!!!
- Your soldering skill should be good as we are using very low power circuit… a bad solder/contact could be enough to ruined your project. This is also for that reason that I removed the switch from the circuit… Do not use connectors… solder only!
Wind the coil with 28 awg enameled copper wire… mine is 10 or 10.2 ohms
Balancing the tubes for first start
First balance the small one by adding counter weight inside the tube to obtain only 0.10 gr of difference between long and short parts of the sticks. Use wathever you want exept things that can be attracted by a magnet. I use wood rods (10mm of diameter) and aluminum bits.
Final weight of the sticks does not really matter… only balance does!
When done, place the small stick on its place and balance now the big one. Use at least 2 large magnets at the very bottom of the big stick (I have 3 in mine… remember to expose the right pole to the coil) and necessary extra weight to obtain 0.8 gr balance between long part of the big stick and small sticks + small part of the big stick
Problems in action:
Your sticks spins faster and faster and do not stops:
- Decrease power in coil (use the pot to increase ohm)
- Small stick is too far from the big one and does not “block” it. Shorten the rod
- Coil and main magnets is too close: push the magnet a little bit further in the tube
Fine tuning:
Try what best for you
- Change balance of stick (by 0.02 gr)
- Change distance between small and big stick (by 0.1mm)
- Change power in the coil
- Change position of small magnets
…. A lot of time to find the perfect match ;-)
Good luck!
Thanks a ton mate.. you are a legend..
@@phdup3721 Thanks, all of them is truthful
Keep it up bro
I will, tks ;-)
Gorgeous. Got a blueprint?
this is exactly what i want to have o the mini swinging sticks model. The mini version is swinging much to fast for my taste! Yours is super slow and nice to watch.
o you think that its possible to slow th mini version down? Thanks!
Hi there,
I'm not sure to understand... are you planning to buy an original one? If yes and if you do not like the small desktop version, just go for the big one and take a "B" quality to save money ;-)
I do not own an original one and i did not build a small version (maybe later on...). It is then hard to give you an answer. Anyway, it might be possible to slow down it. First try to decrease power by using not so fresh batteries... if it works, add a power regulator to keep power as down as needed to slow it the way you like. Another trick will be increase distance between coil and main magnet (it suppose to dismantle the base of your swinging stick). Finally, try to add some weight (cut a paper clip in small bits and fix it with some tape) at the end of the small parts of both sticks... Good luck, please let me know how it goes...
@@phdup3721 hey, i want to buy an original one! the desktop sized that is around 98 euros.
And then i want to slow down the movement like yours! I like how slow yours is! Dont you think if i lover the power with a regulator, then the sticks want make it to the top and cant make a full looping? Thanks
@@gaboaaa23 Hi.... Again, it is hard to say... My advice is based on mine which has a very simple circuit. Since the video here on youtube, I added a Pololu power stabilizer (step up & down) to keep power at the same level whatever the power of the battery is (because the drain of the batteries leads to mess the movement after a while and I always had to modify something in order keep it running the same). The more power I send to the coil, the faster it turns as the "kick" is stronger at higher voltages (but I have to says that mine has never turn as fast as the desktop small original version ;-)). Of course, if the power drops down to a certain limit, the kick is going to be too weak for the sticks to pass vertical (the same will happen if you change distance beetween coil and main magnet of the longer stick)... You have 3 solutions to choose from... buy the desktop version and try to modify, buy the "big" one that will run the way you like... or build your own ;-)
Please make a full step by step video
Passa esquema pra mim montar um
Hey hope you're doing well.
I come back to this video very often. I also want to build this.
Your turned out pretty good I mean it's the best.
How much hours did u put on this project?
هل يمكن ارسال مخطط الدارة رجاءا
Can you please send the schematics and size of the rods it will very usefull for me I'm trying to make this but nothing achieved, thanks
Please take time to read older comments and answers
@@phdup3721 thanks
First of all, amazing work!
I have a question tho, that if you could answer my picture would be fulfilled.
The reason for balancing the sticks with little weights is that it would be extremely hard to calculate the perfect length ratios of the sticks and small-long portions? Or what is the scope of the weights? Is it possible to avoid them?
Hi,
It should not be difficult to calculate the precise length to avoid weight (as you can use a scale to have the weight of each constituting parts), but as the weight difference is so small, it will ruin the aesthetic and the proportions of that thing... which is also part of the beauty of it
@@phdup3721 Thanks for your fast answer! So whether i get it right, if the lengths were calculated precisevely than the pivot points would be almost at the half of each stick?
@@hunortakacs368 This is right for the small stick (as the only necessary extra weight is the small magnet that is very close to the pivot point). Regarding the pivot point of the main stick, it will depend on the total weight of the small stick that need to be balanced by the long portion of the main stick and its main magnet.... this would be the trick.... the weight of the main magnet (you can have more than 1 ;-) should give you the possibility to have a pivot point away (even far away) from the middle of the main stick
@@phdup3721 I am in the research phase of this project and I'm really thankful, this helped me a lot to clear things out, youre awesome!
However:
"(as the only necessary extra weight is the small magnet that is very close to the pivot point)"
Theres a magnet inside the small stick? Why? I thought that the only magnet is at the bottom of the long stick.
Yes, one small magnet in the small stick that face another small magnet in the short part of the big stick. The third magnet is the bigger one located at the bottom of the big stick. Without the small magnets, first, the pendulum would spin like a fan and, second, the movement that you can see in the video would be impossible... You can see that the small stick is, sometime, "pushed" or slightly "kicked" by the big stick ;-)
how much time it will run uninterruptedly??
I did not check exactly but at least 3-4 months 24/7 with 2xaa batteries
I do IT ！WIN it.
Passa esquema pra nós
Dear friend ！give me length in mm between pivot point and ends of - big sticks, small stick. I need dimensions of yours tubes. For example, my dimensions of big stick is : 67-pivot p.-143 （mm). dimensions of small stick is: 60 - pivot p.-800（mm）. Thanks!
How to make
Please take time to read older comments and answers
Are there small magnets in the small arm that interact with a magnet in the big arm?..
I just got an AliExpress fake and the way it moves is annoying - it's not smooth - there seems to be a magnet in the small arm on one side that is repelled by one in the big arm, which makes it un-smooth, like there's constant little stops and starts and reverses/repels where there aren't on the original spinning sticks...
Hi Lloyd, Yes it is right, there are magnets facing each other (as you can see in the first seconds of the video) on the side of both the small and the long arms (opposite poles). To have a nice smooth movement of the sticks, it took me a very long time to tune everything.... from weight ratio to distance between magnets. The kind of "stops" you see on yours is because the two arms are too close... But, increasing space between them could lead the sticks to spin like a ventilator... If this happens you will have to decrease power in the main coil or add weights or change balance... etc.. That was THE pain in the neck ;-)
@@phdup3721 Thanks. Does the original have the magnets there?.. I don't see the point of them. The off-balance should be enough to create motion. I can't imagine why having no magnets would lead to too fast spinning. I thought the reason they might have magnets in there is to produce more movement, not less... Yours runs smooth like the original with them in there tho... I tried pulling the sticks apart a bit (like pin out of bearing type pull), it didn't budge at all, I wonder what is holding the arms together - I kind of want to get in there and take out the magnets, but I don't want to break it.
@@Lloyd.B. Magnets are mandatory... it is because of them that you can see the big stick "kicking" the small one. It is also because of them that the small stick can "stop" the big one to change spinning direction. I hope you understand what i try to mean...
Compare to mine (and the probably yours), the real one is having some kind of speed detector (made with 2 additional coils) on the circuit board that will cut the power into the coil when the big stick it is spinning too fast in the same direction . You can create this kind of circuit with an Arduino
@@phdup3721 Hmmm, OK thanks. I want to take the magnet out of the small stick to see what you mean. No chance of doing that without breaking it tho, probably. So does the original just use the weight off-set + better electronic system. Or better electronic system AND magnets between the big and small sticks?...
I just bent it so the magnets are further away - it's quite a bit better.
@@Lloyd.B. That's it! better electro with magnets and a ideal weight - distance proportions. If you look at an official video like this one ua-cam.com/video/DhFHAEQ5x4c/v-deo.html , you can see what i mean by "kicking" (or pushing) at 0:33 and 0:37 or 1:48 ... Gravity can not be responsible for this... this would be impossible without magnets in the sticks ;-).
Somewhere around 1:05 we can imagine that power to the coil is suspended as it spinning too fast for the small stick to stop it... if not, the sticks should have continue to spin in the same direction at 1:15...
Could it work without battery and with a real magnet?
Even if some funny guys are trying to make you believe that perpetual movement is possible on earth, the reality is different.... The answer is NO... this cannot work without energy... or only for a few seconds/minutes
@@phdup3721 Magnet has some kind of energy right?
@@FRAMESFACTORY.9583 No.... it does not produce light or heat, it does not move itself alone, etc.... it has just magnetic properties... the pendulum is loosing energy all the time because of the air friction and heat dissipation (a very very little, ok) in the bearings... You have to bring an extra energy from somewhere... in this case electricity is giving a punch to the magnet... same as if you were pushing it with you hand from time to time.
But now, if you succeed to keep it spinning indefinitely on earth just with a magnet and without any extra (like depressurizing chamber... etc), for sure you will receive the physics's Nobel ;-) and you could become richer than Bezos
@@phdup3721 Ok. Thank you.
Hi bro
will you sell it to me plz . ?
No sorry, this is not the purpose of this build... and if i had to, due to the time consumed to achieve it, that would be more expensive than the original ;-)
@@phdup3721 but atleast help me to build this in ur video no audio
can you sell it to me?
No sorry, this is not the purpose of this build... and if i had to, due to the time consumed to achieve it, that would be more expensive than the original ;-)
@@phdup3721 🙁😔
@@phdup3721 Big stick = 30 cm
Small stick = ?
Thank you.
@@Satoshi_78 as mentioned in the description text:
- small: 43.5 cm
- big 56 cm
see also my answer to Tank for details (do not forget to click on "read more" ;-))
@@phdup3721 Ok. I see :) Thank you so much.