Here some more explanation about the material Vesconite. Levi Drives uses Vesonite for bushes on all their Drives.
Vesconite, Levi Drives, Vesonite on Surface drives, Surface propeller,
Here the link to Vesconite
Mr Scholz gained his academic qualifications in Germany and holds an MBA (Diplom Wirtschaftsingenieur, U of Braunschweig, 1988), postgraduate qualifications in industrial engineering (REFA Ing, Institute for Industrial Engineering in Hannover, 1988), postgraduate certificate in welding engineering (SLV Welding Institute, 1985), master’s degree in shipbuilding, naval architecture and marine engineering (Diplom Schiffbauingenieur, U of Hannover, 1983), and a certificate for building wooden and fiberglass boats (Opelit in Frankfurt, 1972). He has also studied in the Department of Naval Architecture & Marine Engineering of the University of Michigan in the USA.