As mentioned, seepage could be caused by many things ranging from a
poorly designed breather system to the bent crank you mentioned.

If it had a prop strike and was not torn down and checked I would be
concerned. As cheap as they are these days, it should have been
replaced.

Jeff


On 12/30/06, Mark Langford <n5...@hiwaay.net> wrote:
> Benjamin Copeland wrote:
>
> > Is anyone familiar with the HAPI Mosler 2180 w/an Ellison EFS-2 carb? The
> owner reports minor seepage from
> > around the hub after flying for "a while".
>
> One possibility is the the guy that rebuilt the engine forgot to oil that
> seal's sealing surface where it interfaces with the hub.  If it's started
> dry, it may leak from then on. Another possibility is excessive blowby or
> the lack of good crankcase ventilation.  If the rings or valves are allowing
> the case to be pressurized with more oil vapor than the oil separator system
> can handle, it may force its way past the seal.
>
> I'd be amazed if the crank was bent enough to make that seal leak while the
> prop still tracked true.  He's checked that, right?
>
> As an aside, mine has 80 hours on a new seal (at the 100 hour condition
> inspection) with "minor seepage" around the main seal, and I'm not worried
> about it!  It's not enough to drip on the ground, so I'm OK with that.
>
> Steve Bennett might have an idea on this.
>
> Mark Langford, Huntsville, Alabama
> see KR2S project N56ML at http://home.hiwaay.net/~langford
> email to N56ML "at" hiwaay.net
> --------------------------------------------------------------
>
>
> _______________________________________
> Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp
> to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net
> please see other KRnet info at http://www.krnet.org/info.html
>

Reply via email to