Finn Lassen wrote:

No, no evidence it's the PSRU. I've had a very small leak for as long as the plane
has been flying, around the oil filter mount pad. The leak has now grown so big
that I need to do something about it. Actually the photo was after a 10 minute (or
less) flight after I replaced the two o-rings. I either need to go to thicker
o-rings or it's the oil sensor or oil pressure switch that's leaking.

Charlie Kuss wrote:

Finn,
 I managed to meet and speak with you very briefly at the Treasure Coast RV fly in
(Weekend at Bernie's) several weeks ago. A bit later I looked at your ship. I noticed
the oil covering the outside of the engine. I also noted that I couldn't determine what
provisions you had made for a crankcase breather system. I noted that several areas and
possible vent areas were capped off. Did I miss you vent system? If not, this is the
most likely cause of your oil leakage.
Charlie Kuss
RV-8A
Boca Raton, Fl.

Finn Lassen wrote:

Thanks Charlie and Ed.

The bigger leak turned out to be the oil pressure sensor (I damaged the housing when first
mounting it). New one on order. Question is: to fly without oil pressure sensor?

Still have the minor leak you saw Charlie. Still looks like it's at the old oil filter pad
(closed by home made "lid"). I see a big drop hanging there after flight.

I do have a breather tube. I will check that no mud daubers have taken up residence there,
Ed.

Finn

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