Can beads really balance tyres? A full test and explanation how they work.
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- čas přidán 25. 07. 2024
- Beads can balance tyres and this video shows in detail how they do it.
See the result of vibration measurements, scale experiments and full-size test. - Auta a dopravní prostředky
I found this fascinating and very well presented too, thank you 🙏
Finally! An explanation, well done. Thank you!
Brilliant explanations thank you.
As a former 2CV owner for ten years, and have land rovers now; really enjoyed your Citroen Logic 👍.
I think my 2CV wheels got balanced on a bubble balancer.
But my land rover wheels might balance with steel ball bearings quite well 🤔, and I've heard they use golf balls in lorry wheels 😃
Good video, something to note, the beads I see used and seem to work the best are much smaller, more to the size of larger sugar crystals, the larger the bead the less reliable they are in working each time you come to a stop and start driving again. One other thing for anyone who's not had them work, they MUST be made from something like ceramic or glass to prevent them sticking together, plastic usually doesn't work and often will make the balance worse.
Thanks for the video!
Will really damage your tpms sensors. Move into the 21st century.
Never heard of them before but I recognised the principle from dismantling a top loading washing machine years ago. The inside drum had two hollow rings, one at the top and the other at the bottom which were partially filled with water (and sealed) and serve to balance the washing during the spin cycle. It sloshes around to pool opposite, say, a large towel and compensate for its weight.
Regarding a tyre and from looking at another video - the beads tend to roll to the centre of the tyre as only the bottom is flat - the rest is curved. So static balance will be quite good but dynamic not so flash. Enjoyed your video!
What a wonderful piece of knowledge from your washing machine. Thanks for sharing. And a good point on the curved tyre inside. It will indeed lessen the effect of dynamic balancing. A more elaborate setup would be needed to fully test this out.
Great video. One situation where balancing beads aren't ideal is if you need to use a tyre plug. They'll shred the plug to pieces and break up as a result. You just end up with a powdery ceramic mess and a plug that won't seal.
wish i had known about balance beads way back when i had an R4 that also had wheels that no shop could mount on their modern balancing machines. main issue was in the front....on the back the tires could hop up and down 20cm and you wouldn't even notice it.
Absolutely fantastic work, there is a lot of poorly informed speculation out there on balance beads.
Next time i lose my weights or get imbalance coming back in i will give these a go.
Thanx for the video!! Best explanation ever! I have been struggling with the theory for ages because I did not know about the difference in balance when rotation around the centre of gravity! It is soo logical now!! I would do it the exact same way on my car, even thought about doing it to save money and furthermore reach perfection. Will do it now for sure. You convinced my with evidence! Love it.
beads ordered, I was sceptic, but now I will definitely buy some. Fantastic explanation by the way, you should defo have more subscribers.
I've had dual sport motorbikes for years, The best way I found to balance the wheels for higher road speed is tyre slime in the inner tube, it makes a massive difference on the higher speed rated tyres, knobbly tyres are sometimes beyond help but it definitely helps.
Thanks for that information. Slime sounds very interesting as a balancing method.
great video, very informative, and well presented. im not interested in 2cvs' but the algorithm did well today.
Thank-you! What a great video.
That's the best explanation, thank you!
Thank you. Well thought out.
I had oddball (stock) wheels on my 1958 Apache 3/4 ton pickup. They were 17.5 inch wheels, so there were only two tire options to run the stock wheels, both were luggy military tires. No local shop was equipped to balance them so I used beads. Anyway, I used the smaller beads that can go through the tire stem. The trick to get them into the wheel without jamming or clogging, I used a funnel and an engraving tool to vibrate the valve stem and keep the beads rolling into the wheel. Takes a little time and patience, but a lot less energy and risk than breaking the tire bead and tossing them in that way. Worked like a charm.
very clear explanation, Thank you
Great Video and effort. Hats up superior amount of work, thank you from Germany.
Besten Dank. Manchmal fragt ich mich, wozu die ganze Arbeit? Aber es lohnt sich doch wenn man gute Kommentare bekommt.
@@marco7716 Sehe ich auch so, es ist doch schön wenn man anderen helfen kann. Auch wenn in diesem Video nur das wissen bereichert wird, und wissbegierig sollten wir alle sein und bleiben.
Thank you for this very informative video! It was well done.
What a great video!
What a great video, thanks indeed. I've recently fitted balancing beads (tiny ones that do (eventually) fit through the valve stem into my tubes - 40 minutes per wheel to get them in! It is interesting that you are running tubeless? Does your 2CV have safety rims? This is a long standing debate!)
My Renaults have the same size rims as yours and my early 4CV spider wheels can only be balanced statically at my local tyre place. They can balance my 15" disc wheels on the R8 but this doesn't reliably stop vibration at 100 kph. I"ve not finished testing the results of the beads yet and just remembered I might still have balance weights on the inside of the wheels, so need to pull them off. I have checked for roundness and sideways wobble, and they are OK within 1-2 mm.
Thanks again! Really interesting.
Thanks for the comment. My rims didn't look like safety rims (but I didn't really have a good look inside, so maybe they are). I hope those beads work for you. There are much more variables involved than with traditional balancing, so I am not sure if it will always work. Let us know how you go.
Great video! Super hack!
Have you experienced internal tire wesring due beads friction?
How often do you change beads since they usually tent to crash and break eventually?
I don't have any long-term experience with the beads. I will now check every 5000 km if they have already turned to dust and if there has been abrasion on the tyre insides. If I find that they are not worth it in the end I'll do another video about it.
Had the same problem with mud terrain tyres on my Toyota LC could not balance them properly for love nor money, put in balancing weights and presto no more vibrations!
The 1981 Peugeot 504 diesel had rims like these. You can buy bubble wheel balancers, not sure how you fit them to the wheel.
Finally you gave me the answer I've been looking for. It is the center of gravity and not the periphery, or the center of the wheel and not the outermost edge that causes the dis-balance. I've been running beads on all my cars since about 15 years ago no problem until the tires get quite old and need replacing. I run plastic bb pellets.
It's always been a goto for model Ts.
I just drill the valve stem out large enough to accept the beads.
How do you screw the valve core back in if you drill out the valve?
I have asked most tire places in Bundaberg about these and get nothing but a blank. Where can I buy them and how do I get them into my tire?
I bought mine online (just google balancing beads and several vendors come up). My video shows how to get them into the tyres starting at 2:25
ShOcK & AWE eXplanation (formally Twitter). You R the "Gravitational Whisperer".Thank you for that Infotainment. This is all going on my resume Cheers from So.Ca.USA 3rd House On the Left (call before you stop by:)
I had problems with the Counteract beads' valve core that has the filter in it. They do not work on metal valve stems TP543 (stamped on stem). TP544 are longer and work fine. In the former the core cannot go in far enough making impossible to depress the valve core. On one tire, the filter got stuck in the stem preventing me from even using a standard core.
Counteract, the company, was totally clueless about this.
øther than that, beads are working in my Class C RV.
you can balace those wheels on the car by letting the wheel in the air and letting it rotate with the heavy spot at the bottom, then add weights at the top, rotate the wheel and see where it starts to accelerate or decelerate the rotation. to find the heavy spot again and so on
Use a static balancer. If done properly they work fine. BUT I guess no shop has them these days.
I couldn't find a static balancer for rims that have no centre hole.
@@2CVCult-zl8eo that's a very valid reason!!! I admit that did not occur to me.
The vibrations shown at the beginning are due to the road - if it were caused by the tyre “imbalance” the wheels would have come off - also the steering wheel does not shudder!
Will that work with a fluid to?
It should work with a fluid. Look at the comment before yours. Kenmercer2721 found a balancing mechanism in his washing machine drum that uses the same principle but with fluid in hollow rings.
What would happen if you balanced the tire traditionally and then added beads?
Theoretically nothing. Without an imbalance to start with the beads would distribute themselves evenly around the tyre, which would remain balanced. If the tyre got imbalanced one day (e.g. through uneven wear) the beads would then balance it.
No negative effects. I've got beads in my mud tires that were sticky weight balanced. Keeps them smooth when mud and gunk are stuck in the wheels throwing out the static balance.
Hi. Can you make same experiment with water in tire? Full and half.
That would be a flotation tyre like farming equipment uses
Wouldn't a cup of water/inert fluid do the same thing?
Very interesting, and well presented, but...in 50 years of 2CV {and Dyane} ownership {350,000+ miles, with several cars} I have never had to have a tyre balanced.
Two other things come to mind, firstly, on a few occassions I have used inner tubes in "leaky rims", with no ill effects {or balancing needed} ...and secondly.could long term use of these beads cause any damage to the inside of the tyre {2CV tyres, are, by the nature of their size and the limited power of the car, long lasting}
You touched a very good question about the long term effect. I'm sure the beads have at least some abrasive effect on the tyre inside. And another question to add is: how long until the beads turn into dust? I don't know and would like to learn about some long-distance experience with these things.
I'll definitely make another video if I find after X thousand kilometres that they are not worth it.
Tyre Balancing Beads - I have been using them on my Motorcycles for last 8 years.
Biggest benefit is Beads balance the life of tyre, wheel weights do not.
Tyre can irregularly wear and dirt, mud, tar rocks sick to inside of rims changing the balance.
That's a really good point 👍
Those beads are massive, aren't they normally tiny?
The Australian ABC beads are larger than most. That means they don't fit through the valve stem, but they will roll better inside the tyre. So it could be that they work better.
The real explanation is different. The balancing effect of the static imbalance only occurs when the rotational speed of the wheel is higher than the first natural frequency of the wheel. The first natural frequency is determined by the suspended mass and the stiffness of the suspension. The maximum deflection occurs opposite the heavy spot. The dynamic balancing effect depends on two other modes of vibration. The natural frequencies of these modes are determined by the mass moment of inertia of the wheel and the torsional stiffness along two axes.
If higher modes of vibration are active, either because of high speed or rough road surfaces, the balancing effect can decrease or vanish. Even amplification of the vibration is possible.
Eh? Fits that all aboot?
Anyone else think he sounds like stewy griffin?
I've given you a like just for saying you don't know what oh-zeds are.
Couldn't you just balance it with a bubble balancer? Seems easy enough to do rather than all that...
These wheels don't fit on a bubble level balancer.
As a tire wears it’ll change balance. The beads should keep balance through the life of the tire.
You can balance that tire with a motorcycle tire balancer.
I use balance beads in my wheel barrel and garden tractor. Seems to be working because I don't feel any imbalance at all.
You don't need any balancing beads for this car. For this car you will need a scrap press. My rule, with which I got through the world very well, was always: no cars with an F. No Ford, no Fiat, no French car. 😂🤣
But joking aside, very informative video, very well explained.
No Ferrari for you then lol
@@chriswalker4272 exact... I had once a Ferrari from a friend and i dislike this cars. This is not my world. Beside the fact they are really expensive in maintenance and repair. I like big limousines or trucks with a good V8 engine and no Italian high sophisticated V12 shit.
I got bored half way through and remembered that I know they work.
Glad this video helped to remind you 👍
Wow..... never trust someone wearing crocks to explain anything.
1. Do not run a tire on a jackstand at those speeds. The tire being out of balance can cause the whole wheel to bounce off the jackstand.
2. Powders, beads and centramatic type products (any dynamic balancer) REQUIRE movement (bounce) to distribute the beads, powder around inside the tire until the bounce stops.
As the tire bounces up and down the beads along the front of the tire (the near vertical part ahead of the center) and along the back near vertical will have the inertial mass to stay at the velocity of the rotation at that distance from the center. As the wheel assembly "bounces" due to out of balance, the tire will accelerate past the beads on the up bounce, and the opposite on the down. The beads at the top and bottom do not move. This moves the beads or powder around the tire until the bouncing from the out of balance stops.
This system is used on all kinds of rotating equipment, including washing machines. The one thing in common is they are suspended by springs or a mounting system that can allow movement.
Please do not try to spun balance a tire with beads in it already. If you must, take the beads out (dismount the tire and remount it sans beads) then spin balance if possible. Only then add the beads or powders. This will ensure they work and are not trying to balance 5oz of inbalance with 3 oz of beads.
As you can see around 0:32 the car is on a proper stand (blue) and as a backup the jackstand is also there.
@2CVCult-zl8eo you don't understand.... without the compliance of the tire the beads may not distribute properly and at higher speeds can cause an imbalance that will hop the axle right off the jackstand.
I find it hilarious that you have no idea what "Oh-Zeds" are...(Though I had not heard "Zed" used in decades!) "oz" (ounces, 16 in US Pound - WE STILL USE THEM EVERY DAY) yet we Americans are subjected to that asinine metric system you use....(I work in the Aftermarket Motorcycle Parts business with Harley and Honda being our biggest markets...I hate the metric system!).... FYI 1oz = 28.3495 Grams. - FYI X 2 - Tires on vehicles today use Bastardized Sizing... 235/75/15 - Metric MM Width / Aspect Ratio / Rim size in INCHES! - Figure THAT out!
The messed up part is that the whole world hasn't changed to metric. A far more logical system of measurement!
1 oz is 28 grams
except for when it's not.