friction and wear test with water and sand in the lubrificant after treatment

Friction and wear test with water and sand in the lubrificand after treatment with a Herbert apparatus.

The engine NOT seizes with a force of 70kg. (*)
The noise is greatly reduced and not increases with the strength of lower.
The power consumption is almost constant with the strength of lower.
The wear is minimal and is NOT changed.
The water is mixed with the lubricant.
The sand is disintegrated into very small particles.

* leverage 10