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 ancilliary items, such as ignition, exhaust, fuel system,
cooling and motor mount.
Richard Sohn
N2071U
Richard,
Very good outcome - will you give the weight
difference between the cast iron and the composite housing.
George (down under)