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self lubricating turbo ??

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Old 09-20-2007, 08:55 AM
  #11  
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Default Re: self lubricating turbo ??

Originally Posted by Toysrme
air-foil bearing turbo's have been around forever. the major problem is that air foil bearings are not suitable for mass production.
The biggest problem is friction on start-up. They are good for applications where the rotating assembly opperates for a prolonged period of time, Not so good for start-up/shut down like passenger cars (warm-up, go to store for beer, go home, go to school, go to gf's house to pound her brains out, go to court for SPEEDING ticket, go home ect.).

Originally Posted by Toysrme
air-foil bearing turbo's have been around forever. the major problem is that air foil bearings are not suitable for mass production.
Actually, they are getting cheaper to produce.

Originally Posted by absolutezroo
Foil bearings are a neat product. Used in some turbines. I guess that it wouldn't be effective for larger turbos because foil bearings can't support the same axial load as a ball, roller, or journal bearing. They also wear a little on startup until it gets up to speed and creates the air pocket.
The have an EXTREMELY high load carring capacity at ubersonic speeds. More so than plain/ball bearings.

Someone posted a tech thread about them in another section. I'll hunt for it.
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Old 09-20-2007, 08:59 AM
  #12  
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Default Re: self lubricating turbo ??

Originally Posted by Dive_Miguel
I would like to see a self lubed turbo that had its own pump and sump.

Cop this:

http://www.rbracing-rsr.com/oilsystems.htm


pricey though, not exactly my style.


Jesus, you can see the garrett in the casting.
I'd like to see a meow turbo attempt that.
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