Why Oil Is Lost

O il, control was a two-way, and not a one-way, problem. The only reason why the rate of oil consumption was reasonably small in most engines was that, although a large amount......

Parabolic Rings Better?

IN a paper, "A Study of Piston Ring J. Lubrication," prepared by Dr. S. Eilon, Ph.D., and Prof. 0. A. Saunders, M.A., D.Sc, (Eng.), it was stated that, although the study of......