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Old 06-25-2015, 08:56 PM   #15
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Originally Posted by MelGoddard View Post
What are "Centramatics"?
Magic wheel balancers.

http://www.turbodieselregister.com/t...alance-masters
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Old 06-26-2015, 08:20 AM   #16
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Centramatics are dynamic wheel balancers. I started using them on my Honda GoldWing motorcycles and have put them on all our Airstreams and my Dodge 2500HD diesel truck. See the link below:

Wheel Balancers for many trucks, buses, trailers, and motorcycles from Centramatic

Airstream specific units are by installed wheel size:

14" model 200-221 with 5 bolt circle of 4.5"
15" model 200-221 Special with 6 bolt circle of 5.5"
16" model 300-356 all "A" plates with 6 bolt circle of 5.5"

They can ordered either by phone or on-line.
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TV - 2012 Dodge 2500 4x4 Cummins HO, automatic, Centramatics, Kelderman level ride airbag suspension, bed shell

2014 31' Classic model 30 twin beds, 50 amp service, 900 watt solar system, Centramatics, Dill TPMS, disc brakes, 16" tires & wheels
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Old 06-26-2015, 10:05 AM   #17
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Quote:
Originally Posted by switz View Post
Centramatics are dynamic wheel balancers.

16" model 300-356 all "A" plates with 6 bolt circle of 5.5"

They can ordered either by phone or on-line.
I ordered the above, all A plates for my 16's.
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Old 06-26-2015, 11:23 AM   #18
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John&Vicki,
Yes they are mostly cosmetic with that specific bolt pattern, size & width.
I followed BoldAdventures lead, and mirrored his choice. It's a damn good lookinig rim on any AS. With his lead, and Switz's advice, along with Jack (jcanavera), I was set to go. I thank them all for their help, and a few others too.
Seeing the pictures of the damage caused by GYM tires, was just too much for me to bear. I hated the tire to begin with, and had always used Michelin's on my entire "stable" (kids cars too). With the price of AS's these days, Michelins are a drop in the bucket to protect your asset.
Sea ya down the road,
Gavin
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Old 06-26-2015, 05:54 PM   #19
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I've got centramatics on my 15" wheels. Does anyone know if I change to 16" wheels, will they still fit. Seems like the same bolt pattern, but I'm not sure what the "A" plates are on the centramatic 16" version.
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Old 06-26-2015, 06:11 PM   #20
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I've done a bunch of reading about Centramatics and magic beads on various forums, including trucking and motorcycling forums. Not a lot of hard data.Some think that centramatics are downright miraculous. Some think that beads are even more miraculous. Some think they're both over priced snake oil. I get the impression that truckers use the beads pretty extensively and there is evidence that they keep things smooth, create an even wear pattern and extend tire life. There was one story where they put golf balls in truck tires and it worked well.

I have beads in mine and have no hard data as to their effectiveness. There were signs that the trailer was rolling a little rough (open drawers and doors, loose screws, the usual). I balanced the tires and added the beads so changed two variables at the same time. The signs of a rough ride have gone away but it could be due either or both of the two changes.

Cheers,
John

P.S. Thanks very much to those contributing informative posts to this thread. I'm going to move forward with 16" SenDel wheels and Michelins - and move the beads.
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Old 06-26-2015, 10:23 PM   #21
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You can't go wrong with the SenDel's. I almost bought them, but really wanted something different looking to reflect my personality. I'm a car guy, and now that I'm full-time my truck and Airstream are the extension of that part of my personality.

For the price of the Centramatics or the beads; I figured why not?
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Old 06-26-2015, 10:52 PM   #22
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One variable in wheel selection is how "original" you want your trailer to look. A number of us - me included - went with Sendel's because they are true to the wheels supplied on our later model Airstreams. They are a fine choice for older trailers too, but won't look as period-correct. Purely subjective decision, and up to each owner to decide for themselves.
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