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HomeRC & Power✈️Aircraft🚁HelicopterEngines Plugs Mufflers Fuel › os 55 Magnum Center-Glide Bearing System
11-06-2015 11:10 AM  4 years ago
TMoore

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Cookeville, TN

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Magnum did it A. Because their fuel was pants and wrecked bearings. Erm... sorry trying to think of a B! NOT because you got more power!
You don't really want to go there on the fuel issue. You have no idea what you're talking about. All fuel does the same thing. Any brand of fuel that claims otherwise is trying to defy the laws of physics.
Part 107.
The only ZERO flight hour certificate in the world.
It's like getting a driver's license without the driver's test.
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11-06-2015 11:42 AM  4 years ago
Richardmid1

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Leeds, England

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The fuel maybe, but they all have different oils and additives. You don't know what your talking about saying I don't know what im talking about! 60% of the time, it works every time!
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11-06-2015 01:01 PM  4 years ago
TMoore

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Cookeville, TN

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How many different fuels do you have access to in the UK? Besides, how many sets of bearings have you changed out with how many different brands of fuel?Part 107.
The only ZERO flight hour certificate in the world.
It's like getting a driver's license without the driver's test.
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11-06-2015 01:39 PM  4 years ago
ssmith512

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Indianapolis, IN USA

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Even though I can change the rear bearing with my eyes closed during halftime of my favorite College football game, I am totally sending my OS55HZR in this winter to to get the Center Guide upgrade. Looking forward to flying a few seasons (or more) without having to worry about rear bearing health.Steve
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11-06-2015 08:02 PM  4 years ago
blade3d

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New Jersey USA

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yup yup I did the same worry freeBlade3d
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11-06-2015 08:12 PM  4 years ago
Richardmid1

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Leeds, England

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All I know is my 105 ran better with more power with a regular bearing, no other changes. Someone said before that I may have had a 'Friday' center glide bearing, maybe that's true but then others have reported the same power loss with center glide bearings also! Maybe they work better in 55's than 105's? Who knows.60% of the time, it works every time!
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11-06-2015 09:09 PM  4 years ago
don s

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Chesapeake, VA

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others have reported the same power loss
Source?

I have them in a 55 and 105.
E820, Raptor G4N, X50F/E, E620, Forza 450, and some planks.
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11-06-2015 09:48 PM  4 years ago
Richardmid1

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Leeds, England

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Not direct but check LaDon's post a few posts down.https://rc.runryder.com/t795271p1/

Edited 09/12/2017. LaDon's post has gone?!
60% of the time, it works every time!
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11-06-2015 10:21 PM  4 years ago
payne1967

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uk

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any roller ball bearing will run with less friction than a bush
so it not a suprise to have a little less power with the centre glide bearing to the roller ball bearing

and i've run enough magnum 30% fuel in the past without a rust problem in the uk
with any nitro engine it needs to be run reqular to stop the formation of rust
www.alcesterhelicopterclub.bmfa.org
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11-07-2015 01:18 AM  4 years ago
TMoore

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Cookeville, TN

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Here's a pile of bearings that Buzz has done. This isn't all of them either. There are over 250 bearings pictured here. There have been over 500 Centerglide's installed since he started doing these replacements. The bearings on the right (single photo of both piles of bearings)represent every type of fuel except Magnum fuel; Buzz knows who buys the fuel and who doesn't. The bearings on the left are out of new engines that were never run.

The Centerglide is not down on power compared to a regular ball bearing and it isn't made out of brass. We tested these engines for a long time and once you run a gallon or so through them, you would be hard pressed to tell the difference between the same engine with a ball bearing other than the huge fact that you don't have to change out the rear bearing all the time.
Part 107.
The only ZERO flight hour certificate in the world.
It's like getting a driver's license without the driver's test.
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11-07-2015 01:32 AM  4 years ago
Tyler

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Chicagoland area

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I guess Buzz decided to leave my bearings out of that pile. None look nearly as gnarly as the bearings that came out of my engines. Ha, ha!

I see a lot of green cool power 15% bearings in that photo.
Enjoy things that money can buy IF you don't lose the things money can't buy.
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11-07-2015 08:08 AM  4 years ago
Richardmid1

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Leeds, England

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Bronze then and I am hard pressed!
.with any nitro engine it needs to be run reqular to stop the formation of rust
You are correct in a way but simply turning the engine over a couple of revs every few days is enough to prevent rust in the races. Also clamping the fuel line to stop the engine, closing the carb and plugging the exhaust helps. Or you could just install a stainless bearing!
60% of the time, it works every time!
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11-07-2015 02:18 PM  4 years ago
payne1967

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uk

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you are trying to educate someone thats never had a rust problem
and i've used many differing makes of model fuel
including magnum 30%

what fuel do you prefer to use in your models?
www.alcesterhelicopterclub.bmfa.org
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11-07-2015 03:04 PM  4 years ago
Richardmid1

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Leeds, England

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The tips were for everyone's benefit. I have used optifuel for about 6 years and it's been fine.60% of the time, it works every time!
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11-07-2015 05:33 PM  4 years ago
blade3d

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New Jersey USA

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what about the feeeeeeeling you get from not having to aorry about the bearing I like that feeeeeeeeeel oh not to mention the endless deeeeeebate.Blade3d
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11-07-2015 07:06 PM  4 years ago
TMoore

rrMaster

Cookeville, TN

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Bronze then and I am hard pressed!

.with any nitro engine it needs to be run reqular to stop the formation of rust
You are correct in a way but simply turning the engine over a couple of revs every few days is enough to prevent rust in the races. Also clamping the fuel line to stop the engine, closing the carb and plugging the exhaust helps. Or you could just install a stainless bearing!
If Stainless Steel (CRES) bearings worked we would all be using them. The simple truth is they don't and they will still rust. 440 series CRES has carbon in it. Fact is that you can't heat treat CRES to the same hardness as 52100.

440C: http://www.azom.com/article.aspx?ArticleID=1024

52100: http://www.azom.com/article.aspx?ArticleID=6704

Bronze huh? You're closer but still way off.

Optifuel: http://www.optifuel.co.uk/Catalogue...&title=OPTIFUEL

In the UK you need a license for 30% and the fuel composition that is posted on their website is not adequate for the Centerglide bearing. The oil content is 20%, Centerglides work best at 22%.
Part 107.
The only ZERO flight hour certificate in the world.
It's like getting a driver's license without the driver's test.
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11-09-2015 12:44 AM  4 years ago
Dr.Ben

rrMaster

Richmond, VA, USA

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OS tried a SS bearing in their Hanno .61 pattern engine. $100 bearing. Failed as well as any that came before it.

Ben Minor
Peak Aircraft/Team Minicopter Team Futaba Team Kontronik USA
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11-09-2015 12:53 AM  4 years ago
sonnyhad

rrProfessor

Holland,Mi

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For all those who don't want to try the centerglide bushing please move on, all others welcome to bearing relief!!Bald Pilots usually wear hats!
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11-09-2015 02:33 AM  4 years ago
JEEPWORLD2002/2

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Blue Bell, Pa

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Oilite bearings have been used in applications for decades. They work provided it gets required lubercation in the temps we use them at. Need thur maintaence free ?? Ur choice ??Trex600n,Trex500,MR25,MikadoLoGo5003d/KDE,Goblin 380XNova,CastleCreations,Ys,JR XG8,Tags Mini XBus Dmss//FAA# FA3NYC9TAP
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11-09-2015 02:39 AM  4 years ago
Tyler

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Chicagoland area

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My center glide bearings will never get ingested into the combustion chamber of my engine. NEVER!

Ceramic= fail
Stainless= fail
Stock $$= fail
Cheap but often= fail

Centerglide= happy flying gallon after gallon

Centerglide haters, enjoy your bearing fails or electric models.
Enjoy things that money can buy IF you don't lose the things money can't buy.
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HomeRC & Power✈️Aircraft🚁HelicopterEngines Plugs Mufflers Fuel › os 55 Magnum Center-Glide Bearing System
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