Faria Chesapeake Black Rudder Angle Indicator - 14722Faria Chesapeake Black Rudder Angle Indicator A rudder angle indicator displays the angle of the rudder or rudders. The senders work by measuring the angle of the rudder or rudders and converting that to a level, where 180 ohms equals starboard, 95 ohms is the midpoint, and 10 ohms display port on the rudder indicator. Size: 2" *The image shown is a similar product*