oil slinger or oil catcher

Start oil threads here so they can be ignored and/or ridiculed by most of us (except for those hardcore few that live for that kinda stuff).
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gobium
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oil slinger or oil catcher

Postby gobium » Thu Feb 04, 2016 8:06 pm


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Re: oil slinger or oil catcher

Postby TheDan » Thu Feb 04, 2016 8:21 pm

Nice explanation. Thanks!

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Re: oil slinger or oil catcher

Postby Iron Maiden » Thu Feb 04, 2016 9:09 pm

Thanks Van.
Wow, should we add more than 2 qts?
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Re: oil slinger or oil catcher

Postby lomax » Thu Feb 04, 2016 9:18 pm

Van, I have a 64 BMW R50/2 and know that the slingers need to be cleaned or replaced every 30K miles. Is this the case on the Urals or does the oil filter take care of it better?

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Re: oil slinger or oil catcher

Postby gobium » Thu Feb 04, 2016 9:20 pm

Howdy IronM
Oil volume and air pressure volume

Bob and I talked about it earlier .
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Re: oil slinger or oil catcher

Postby gobium » Thu Feb 04, 2016 9:25 pm

lomax wrote:Van, I have a 64 BMW R50/2 and know that the slingers need to be cleaned or replaced every 30K miles. Is this the case on the Urals or does the oil filter take care of it better?

Marc

Howdy Marc.
With Ural! You don't clean singers . :sarcasm: :lol:
you replace crank shafts when it seized due to POC big end bearings.

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Re: oil slinger or oil catcher

Postby Iron Maiden » Thu Feb 04, 2016 9:33 pm

Thanks Van
o
2013 Patrol - Equipped with strange mods.
98 V Star 650
85 modified Yamaha BW 200
78 Yamaha XT 500 (original owner)
Over 55 past and long gone enjoyed rides.

Ride like a one eyed jack of diamonds with the devil close behind.

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Peter Pan
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Re: oil slinger or oil catcher

Postby Peter Pan » Thu Feb 04, 2016 10:35 pm

I had the same suspicion like lomax
I just recall the mud in my 3 NSU engines....Hard like metal. and in the Honda XL200 the rotary filter (same function) had to be cleaned every 15.000km.
So I hope not to have to throw out the whole crank the day an inspection will be due.

Well I am at 30K km...perhaps some closer looks will be advisable.
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Re: oil slinger or oil catcher

Postby Michal » Fri Feb 05, 2016 10:39 am

Iron Maiden wrote:Thanks Van.
Wow, should we add more than 2 qts?


I've heard about at least two guys who thought that they are supposed to see oil level under filling cap. :D BMW straight six survived idle run for a while until owner figured that something is wrong. VW inline four diesel disintegrated after 1/4 mile run.
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Re: oil slinger or oil catcher

Postby Mothra35 » Fri Feb 05, 2016 12:00 pm

gobium wrote:Howdy Marc.
With Ural! You don't clean singers . :sarcasm: :lol:
you replace crank shafts when it seized due to POC big end bearings.



HHMmm wonder if there is money to be made in producing a "Aftermarket Crank" for these things. :?: :idea:

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Re: oil slinger or oil catcher

Postby rougaroo » Fri Feb 05, 2016 12:23 pm

The oil slingers on /2 BMWs acted as centrifugal oil filters, since they didn't have a disposable filter. Oil was directed to the slinger, the slinger spun at high speed on the crank, and any particles and wear materials were packed into the band on the slinger while the oil spun off to help lubricate the engine. I don't know when disposable oil filters were incorporated on the Ural - wound be interesting to know - but the oil goes through the filter first, then to the slingers. Because of that, the Ural slingers stay clean compared to the old BMW ones.

Good article here on cleaning BMW slingers from Vetch, one of the gurus of old BMWs down in Mississippi: http://www.benchmarkworks.com/articles/tech/oil.html

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