A marine craft comprising a hull comprising a transom; and a portable drive assembly temporarily attached to the transom, the portable drive assembly comprising an elongated drive housing enclosing an upper drive assembly and a lower driven assembly and a timing belt connecting the upper drive assembly to the lower driven assembly; and an engine mounting plate attached externally to the drive housing adjacent the upper drive assembly perpendicular to the drive housing; view more

The marine craft according to claim 7, wherein the portable drive assembly further comprises a transmission mounted to the engine mounting plate coupled externally to the upper drive assembly.

The marine craft according to claim 13, further comprising a second pivoting assembly for negatively positioning the elongated drive housing beyond vertical relative to the mounting bracket in the vertical plane.

A portable drive assembly having means for temporary attachment to the transom of a shallow draft watercraft said portable drive assembly comprising an elongated drive housing enclosing an upper drive assembly a lower driven assembly and a timing belt connecting said upper drive assembly to said lower driven assembly, an engine mounting plate attached externally to said drive housing located adjacent said upper drive assembly perpendicular to said drive housing said lower driven assembly further comprising a propeller shaft partially enclosed within a shaft housing attached to said drive housing adjacent said driven assembly extending at least 12 inches beyond said drive housing and a propeller attached to said propeller shaft. view more

A portable outboard engine and drive assembly having means for temporary attachment to the transom of a shallow draft watercraft comprising: a) a sealed housing containing a timing belt drive assembly comprising an upper drive pulley assembly and a lower driven pulley assembly; b) an engine mounting plate attached externally to said sealed housing located adjacent said upper drive pulley assembly perpendicular to said sealed housing; c) a propeller shaft partially enclosed within a shaft housing attached to said sealed housing extending from said driven pulley assembly at least 12 inches beyond said sealed housing; d) a propeller attached to said propeller shaft; e) a pivotal means for temporarily attaching said sealed drive housing to a boat transom; and f) an air cooled engine mounted to said engine-mounting plate and coupled externally to said upper drive pulley assembly. view more

A method of driving a small watercraft in very shallow water comprising the steps of: a) attaching a portable drive assembly having means for temporary attachment to the transom of a shallow draft watercraft said portable drive assembly comprising an elongated drive housing enclosing an upper drive assembly, a lower driven assembly and a timing belt connecting said upper drive assembly to said lower driven assembly, an engine mounting plate attached externally to said drive housing located adjacent said upper drive assembly perpendicular to said drive housing, said lower driven assembly further comprising a propeller shaft partially enclosed within a shaft housing attached to said drive housing adjacent said driven assembly extending at least 12 inches beyond said drive housing, and a propeller attached to said propeller shaft; b) attaching an air cooled utility engine to said engine mounting plate and coupling said air cooled utility engine to said upper drive assembly; and c) adjusting said pivotal transom mounting bracket relative to said transom in a manner whereby said propeller shaft assembly does not extend below the bottom of said watercraft when driving said watercraft. view more