Vessel speed measuring system for the marine propulsion machine

摘要: The present invention details several embodiments of a vessel speed measuring and indicating system, having pressure intake port within leading edge lower outboard portion propulsion arrangement, which is structured to prevent debris, such as driftwood or the like, from entering becoming lodged during operation vessel, so that can be accurately measured displayed. constructions detailed herein include projection formed in vicinity port. may slightly above port, below both well