Faria Beede Instruments 36010 Spun Speedometer Gauge 4 – Silver, 65 Mph

Description

Pitot tube type speedometers operate by pressure from the water being forced into the pitot tube. This pressure is then transmitted through flexible tubing to the bourdon tube movement inside the speedometer head where it is converted into a speed reading by the movement mechanism. Mechanical, Electronic, Pressure (Pitot) types available.