REFLECTOR: Reflector: a current pic of my plane

[Jeff Howell]

depending on ambiant temp and normal opperating temp the viscosity of the oil changes, also there is a chart for the proper viscosity oil according to the  temp of your area. I am getting a little bit of blow by and a little bit of oil on my prop from my govenor. I am wondering if my oil pressure is too high. What should the oil pressure be on a franklin? thanx Jeff > Date: Wed, 28 Jan 2009 07:54:25 -0700> From: scott at tnstaafl.net> To: reflector at tvbf.org> Subject: Re: REFLECTOR: Reflector: a current pic of my plane> > > *Isn't the crankshaft seal exposed to the crankcase pressure? How does > > oil pressure affect the crankcase pressure? Isn't there a pressure > > relief valve to limit max oil pressure?> > With a constant speed prop there are prop seals on the crankshaft, there > are also lifter seals, oil pump seals, crankcase seals, etc. Maybe not > the external crankshaft seal. If the engine experiences too high an oil > pressure things will blow. The limiter is limited by the viscosity of > the oil.> > > *I assume it needs to be measured not only before the cooler, but at the > > engine. If the flow to the cooler is diverted when the oil is cold, > > then a sensor just before the cooler won't tell me the right temp > > either, correct?> > My E225 had its oil temp probe at the filter housing. My IO360 and > TSIO520 have the probe in the remote cooler adapter. All three see the > oil temp of the oil in the engine because the vernatherm bypasses a > small amount of oil into the cooler line when closed.> > Scott> _______________________________________________> To change your email address, visit http://www.tvbf.org/mailman/listinfo/reflector> > Visit the gallery! www.tvbf.org/gallery> user:pw = tvbf:jamaicangoose> Check new archives: www.tvbf.org/pipermail> Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
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