I just found these rebuilding videos.

http://www.rebuildingrotaryengines.com/
Jeffrey Martin

Generally very good and better than the Turrentine video.

Most of the damage and wear shown is unusual for street engines.
Some of these engine were raced up to 12,000 RPM.

Checking the side housing is obsessive. Usually most people
run their finger nail over the ridges and let it go at that.
If they can feel something they have it lapped.

The sound is generally not of good quality. Perhaps my ears
are getting too old.

Streaming video still leaves a lot to be desired as far
as resolution is concerned. Hopefully the videos you can buy
from Pineapple are of much better quality.

BTW Much of the little wear shown will go away if you run Mobile
One or Idemitsu rotary engine synthetic oils. The wear was not
measurable on the Lemans winning engine.It is rather typical for an
old rotary engine to run 300,000 miles or more in car use if the
conventional motor oil was changed regularly and the cooling system
was flushed every five years or so. Out of the six Mazda rotary cars
I have owned over the last 35 years, some new and some used, the
engines had well over one million miles. Some my wife and I put on
and some the previous owner(s) put on.

Paul Lamar

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