The builder and date for this Shovelnose hydro tether boat with 2-cylinder engine is unknown. The sleek looking hydro measures 11″-wide, 30.5″-long, and sports a custom built two-cylinder, two-cycle, alternate firing twin with a double throw crank. This methanol burner has a bore of .875″ and stroke of .750″. It is machined from aluminum, steel, cast iron, and brass bar stock, and sports a centrifugal clutch in the flywheel.