[SPAM] Re: [SPAM] Re: A Bearing Tip - Boca Bearing Newsletter

[DaveL322 at comcast.net]

I cut away the thin part of the full disk on my 140s and it made zero difference in bearing life.  The sealed SS BB made all the difference.

Dave

-------------- Original message -------------- 

> Bob, 
> The 1.4 rear bearing doesn't get enough lubrication. I trashed a brand new 
> stainless bearing two seasons ago in 4 flights. Felt like it had gravel in 
> the bearings. Went home, took it out, and it looked like it had a whole 
> season's worth of rust on it. Magnification revealed that it was actually 
> burnt oil. Put in the sealed bearing and have at least 40 gallons of fuel 
> through it and still running strong. Bearing feels as good as the day I put 
> it in. I don't know if the lack of lube is caused by the full disk 
> counterweight on the crank or if the tuned pipe has some sort of scavenging 
> effect on the crankcase. Don't care anymore because it runs great and the 
> bearings are lasting longer than any engine I've ever had. 
> 
> Verne 
> 
> 
> ----- Original Message ----- 
> From: 
> To: 
> Sent: Friday, May 20, 2005 11:37 AM 
> Subject: Re: [SPAM] Re: [SPAM] Re: A Bearing Tip - Boca Bearing Newsletter 
> 
> 
> > Must be a LOT of differences in how those bearings are loaded between the 
> > two motors. Fascinating! 
> >> 
> >> From: Rodney Tanner 
> >> Date: 2005/05/20 Fri AM 11:33:19 EDT 
> >> To: discussion at nsrca.org 
> >> Subject: [SPAM] Re: [SPAM] Re: A Bearing Tip - Boca Bearing Newsletter 
> >> 
> >> Thanks Verne, 
> >> That is what I had heard. 
> >> 
> >> Rodney Tanner. 
> >> 
> >> Verne Koester wrote: 
> >> Rodney, 
> >> If you're putting it in an O.S. 1.4, definitely leave the seals in. 
> >> You'll get 300-500 flights with the seals in. With them out, you'll be 
> >> lucky to put 5 gallons through the engine before they're shot! 
> >> 
> >> Verne Koester 
> >> ----- Original Message ----- 
> >> From: Rodney Tanner 
> >> To: discussion at nsrca.org 
> >> Sent: Thursday, May 19, 2005 10:33 PM 
> >> Subject: [SPAM] Re: A Bearing Tip - Boca Bearing Newsletter 
> >> 
> >> 
> >> Bob, So using an OS 140 EFI bearing, is it advisable to remove the seals? 
> >> Rodney 
> >> 
> >> Bob Pastorello wrote: 
> >> Since I use theirs, I get this e-newsletter. This month's tip; 
> >> <> >> them. These bearings have their own grease and can help stop oil leaks. 
> >> If your bearing has two shields, we recommend you remove one of them. For 
> >> instructions on removing your shields take a look at this Help Section. 
> >> 
> >> Your Rear engine bearing should be open on both sides to allow as much 
> >> fuel as possible to pass through and act as a lubricant. You may however 
> >> want leave one shield on in the rear which would help to protect the rest 
> >> of the engine from any foreign matter getting through. This should not be 
> >> done with one seal. If you find your engine is stingy in getting fuel to 
> >> the rear, you should definitely leave the bearing open. 
> >> 
> >> In our next issue of the Boca Bearings Tips & Advice Newsletter we will 
> >> show you how to remove your bearing shields. >> 
> >> 
> >> Note - if you open your crankcase, using sealed bearings, and the 
> >> crankshaft counterweight it dry-looking, or the lower part of the bearing 
> >> isn't pooling oil, you may think about removing the seals. I do, for 
> >> this reason. 
> >> 
> >> Bob Pastorello 
> >> www.rcaerobats.net 
> >> rcaerobob at cox.net 
> >> 
> >> 
> > 
> > Bob Pastorello, El Reno, OK, USA 
> > rcaerobob at cox.net 
> > www.rcaerobats.net 
> > 
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