> > > >  > Hello;

 > > >>
 > > >>  Has anyone here done rotor clearancing for an aircraft application?
 > > >>  I assume this is typically done with a grinding/polishing
machine, has
 > > >>  anyone done using another method?
 > > >>
 > > >>  Also
 > > >>  Paul, are you using the stock oil pump and pressure
regulator in your
 > > >>  PPort?
 > > >>
 > > >>  Cheers
 > > >>  Cary

 > > >Yes on the rotor  clearancing but I think it is unnecessary.
We never run over
 > > >7500 RPM
 > > >
 > > >I don't know yet. I left that decision up to John at
Mazdatrix. Perry Mick
 > > >has been flying one of his engines for a couple of years now.
 > > >BTW engine parts are at the balancing shop as we speak. If we are lucky
 > > >we will have it running before Sun & Fun.
 > > >Paul Lamar

 > Ken Welter wrote:
 > >
 > >     Yes I do rotor clearanceing, I do it on a lathe, I cut .015" off
 > > at the tip and taper it off to zero where the bluing is.
 > >    Rob Golden at Pineapple racing told me to do this and considered it
 > > absolutely necessary.
 > >    Ken

 Thanks for info and picture - interesting jig.
 I assume you mean .0015" or 1.5 thousands of an inch on each side?
 >From what I have read most recommendations remove the "land" (near the
 inner oil seal)
 that is proud, although I have wondered about the rotor tips with a
 flexing shaft.
 Cheers
 Cary

Ken Welter wrote:

   No .015" or fifteen  thousands off each side.
   Rob uses a rotary table on a mill and cocks the table on an angle
to do it as he doesn't have a big lathe.
   Ken

 
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