Join Date: Feb 2004
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The rudder angle instrument is not really for you, it is for your autopilot (and your autopilit DOES need it to do its job well), it just happens to have a display fitted so you can look down and say "Oh look, 14degrees of rudder just to go straight!"...and maybe go and make some adjustments to your traveller to make life for your boat a little easier.
I am also a little concerned about the brands of instruments you mentioned. As a rule it pays to make sure that all of your instruments can be integrated and talk to eachother. Navman usues NMEA, and I get the feeling that Raymarine usues Seatalk...You will want to check out such factors and make sure you can integrate as much as possible as it really does make life easier. It also means it is cheaper if you a want a repeater at your nav station, as one screen will do and you can just scroll between all of the intrument inputs as you need.