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Old 06-02-2007, 12:39 AM   #29
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All of this talk assumes that our tires are round, doesn't it?

When I took my Airstream in to have my running gear balanced, the first thing they did was to "true" the tires (shaved off the high spots to make them perfectly round). I was amazed at how much they had to shave off my new Goodyear Marathons in this process.

I think that even if you install Centramatics, or have your running gear balanced like I did, on tires that are not round it would still be like rolling an egg down the road. At least that's my theory, and I'm sticking to it.

John
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Old 06-02-2007, 06:18 PM   #30
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Quote:
Originally Posted by ROBERTSUNRUS
Hi, "Three ounces will work no matter how out of balance you are?" I don't think so; Most decent tires and wheels take from nothing [very rare] to as high as six ounces to balance.
I use 3 oz in mine as recommended, but it's good question.

I'm going to ask the guy at Dyna beads, let you know!
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Old 06-02-2007, 08:13 PM   #31
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Just recieved a reply from Dyna Beads.

"You can go to 4 oz if you want and it won't cause any problems at all.
Gives you a little "fudge factor".
Remember that the weights operate on a circumference based on the
diameter of the rim, the beads operate on a circumference based on the
diameter of the tire, which is much bigger. The weights have to be
heavier than the beads to do the same job as they can't develop the
centrificul force that the beads can."
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Old 06-02-2007, 09:17 PM   #32
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Quote:
Originally Posted by LI Pets
Just recieved a reply from Dyna Beads.

"You can go to 4 oz if you want and it won't cause any problems at all.
Gives you a little "fudge factor".
Remember that the weights operate on a circumference based on the
diameter of the rim, the beads operate on a circumference based on the
diameter of the tire, which is much bigger. The weights have to be
heavier than the beads to do the same job as they can't develop the
centrificul force that the beads can."
So how much out of balance can 4 oz of beads compensate for???
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Old 06-02-2007, 10:00 PM   #33
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I used Centramatics on the steer tires on the 18 wheeler I used to own/operate.They work all right,however,Centramatics can be a little noisey .They have ball bearings inside the ring that move 'round as you drive.Most of the time you cann't hear them but,when your up against a jersey wall,underpass,or tunnel with the window down,you will hear them .Just don't think some things wrong with the t/v .Also Centramatics can be reused as long as the tire diameter is the same.Handy if you get a different a/s or t/v .Some truck stop tire shops used to have cut away Centramatics on display,if anyone would like to see how they work...Brian
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Old 06-03-2007, 08:02 AM   #34
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Quote:
Originally Posted by wanderer1
I used Centramatics on the steer tires on the 18 wheeler I used to own/operate.They work all right,however,Centramatics can be a little noisey .They have ball bearings inside the ring that move 'round as you drive.
Hi Wanderer1

You say you could hear the Centramatic. If the bearing have taken a position to balance the tire at a given speed what is the source of the noise? There souldn't be any movement inside the Centramatic. Is it vibration side to side or squeak between the hub and wheel. Did the centramatic show any wear when you changed tires on your truck?
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Old 06-03-2007, 11:16 AM   #35
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The balls in the centramatics are imersemed in oil?

Should be any noise unlis the fluid was leaking maybe
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Old 06-03-2007, 05:27 PM   #36
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Quote:
Originally Posted by LI Pets
The balls in the centramatics are imersemed in oil?

Should be any noise unlis the fluid was leaking maybe
Some noise is OK. The balls move moderately quickly even in the viscous oil.

Zep
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Old 06-03-2007, 11:31 PM   #37
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Some noise is OK. The balls move moderately quickly even in the viscous oil.

Zep
Hi, I can't imagine metal balls, incased in a tube, floating in oil, and mounted between the wheel and brake drum makeing very much noise; Not to mention way back on my trailer and at my age? WHAT NOISE. I DON'T HEAR ANYTHING. DO YOU HEAR ANYTHING? Everything is smooth running and no warning lights came on, keep going. LOL
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Old 06-04-2007, 12:36 AM   #38
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......... I don't believe any tire was made to have foreign objects flying around inside of them. I'm curious what Goodyear and other tire manufacturers would have to say about these beads. This is my opinion at this time and subject to change, or remain the same, at any time.
This was my question as well. What does this do to your tire warranty?

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Old 06-04-2007, 09:34 PM   #39
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I got the centramatic balancers in today.
The ones sent to me are for steel wheels, drum brakes....tire size 7.00x 15.
They measure 10 inches in diameter. This leaves about 1" all the way around the inside of the wheel when they match up on the bolt pattern.

I thought they would be a closer fit to the inside of the wheel and be at least 11.5" across instead of 10".

Do you think I got the right ones shipped to me, or are the others larger in diameter than 11'5"???

I am thinking maybe I better call Jerry at Centramatic tomorrow and check to see that they sent the right ones?
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Old 06-05-2007, 09:41 AM   #40
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I talked to Jerry at Centramatic this morning.
The next size up has a diameter of 13". The inside of my steel wheel is only slightly larger than 12".
Therefore, the balancers shipped to me that are 10" in diameter are correct for my application.

There are THREE different Centramatic Balancers used on Airstreams depending on your setup of wheels, brakes-disc or drum, and size tires.

Talk to Jerry, he knows which ones to work with your setup.
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Old 06-05-2007, 10:31 AM   #41
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Centramatic Balancers and PressurePro Sensors

Would these eliminate the need to have the wheels rebalanced after installation of the tire pressure monitor sensors? The literature for the monitor says you "may" have to have the wheels rebalanced.
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Old 06-05-2007, 11:20 AM   #42
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yes you would not need to because they are being balanced or rebalanced all the time.
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