OS 140 RX Bearing care

[Verne Koester]

Dave,
Do you leave both shields in the stainless bearing? Are you using the one
from Boca?

Thanks,
Verne


----- Original Message -----
From: "David Lockhart" <DaveL322 at comcast.net>
To: <discussion at nsrca.org>
Sent: Thursday, May 15, 2003 11:01 PM
Subject: Re: OS 140 RX Bearing care


> Agree.  The bearing is the key - I've run the stainless steel bearing
> with shields in 2 different engines since the NATs last year and both
> have over 200 flights and are still smooth.
>
> I do like to do something for after run - burn out all the fuel and
> then use either Amsoil MP or Mobil Synthetic 5-30 for after run.  This
> process didn't seem to help the non-stainless bearings - but the rest
> of the engine stays very clean.
>
> Dave Lockhart
>
>
> ----- Original Message -----
> From: bryan <patriot at eatel.net>
> Date: Wednesday, May 14, 2003 7:37 pm
> Subject: Re: OS 140 RX Bearing care
>
> > Earl I have been running the EFI 1.40 O.S. for almost 1600 flights
> > going on three years
> > I can predict Failer of every part on the motor within about 25
> > flights,I never use after run oil, I leave the fuel in the tank
> > ,don`t run the motor out ,,,I don`t do a thing but put it in the
> > car
> > I fly about 700 flights a season and go through 2 rear bearings,
> > never change the front bearing, save once, I Use Coolpower 25%
> > with a 17-3/4+12 APC prop
> > the Stainless might  last about 150 flights
> > you have to leave the sheilds in the bearing, if they come with
> > them
> > Boca Will not last they will rust no mater what you do
> > the first few runs  with the sheilded bearings are about 200r`s
> > down but after that
> > no problems
> > I think Dave started using these bearing last year and he is
> > having the same run times
> > you can get these Bearings from Hobbico, Radio South, get hold Of
> > Mike Stokes or Tony Stillman if you run into problems finding them.
> > Bryan
> > WWW.EXECUTIVEAIRFRAMES.COM
> >  ----- Original Message -----
> >  From: Earl Vincent
> >  To: nsrca
> >  Sent: Thursday, May 15, 2003 12:43 AM
> >  Subject: OS 140 RX Bearing care
> >
> >
> >  FYI
> >  Anyone running OS 140 RX, I have hooked up, thanks to a spare
> > part from Eric Henderson, an FI pressure tap in the top
> >  left bolt hole of the rear cover looking at the back of the
> > motor, am running a fuel line to a fuel dot which allows injection
> > of after run
> >  directly into crankcase using a Sig glue seringe, have to open
> > the throttle barrel or move piston to bottom of travel to allow oil
> >  to enter case. OS part # 29407300, after 35+ flights using
> > stainless bearing, I disassembled and bearing is as clean as the day
> >  I put it in, I will let you know if this helps the bearing issue
> > with this engine. I feel by not having to turn engine through
> > compression  to distribute, the oil stays in the bearing area and
> > not in the cylinder or pipe.
> >  Earl Vincent
> >
>
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