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 >