Today, I did an engine tear down after the first hr accumulated  running
with the new compound side housing.
The runs were about 7 to 8 min each. This is the time it takes the
engine on the test stand to heat up to max temperature, which was over
200F on water and oil.

There was never a leak of water or oil during the tests.

As the inspection indicated, the O-Ring seal around the bearing  area was
as it was when installed. The clamping of the cast iron insert did not
show any movements.

It looks like the compound side housing with the floating insert
periphery is going to work.

Next is fixing the test stand for running the engine with gear box and
propeller for max power testing. At the same time, I will incorporate
ancillary items, such as ignition, exhaust, fuel system, cooling and
motor mount.

Richard Sohn
N2071U

You are coming right along with that light weight engine two piece end
housings Richard. Congratulations.

Paul Lamar ...No rotor no motor.

Richard congratulations. Outstanding work.   I have just started a
new project (Zenith STOL 701) for which the single rotor would be
perfect.  The engine limitations are 100 hp and 200 lbs.    I hope to
buy a single  from  you  or at least the parts needed to put one
together myself.    Jerry



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