Autopilot compass Simrad RFC 35 Fluxgate or RC 36 course computer

[mocruising]

We are fitting a second autopilot ready for our eventual circumnavigation. For the second unit we have a Simrad AC 20 course computer. I can't decide whether to purchase the RFC 35 Fluxgate compass or the RC 36 rate compass does anyone have any first hand experience or advice.

 

[Oldhand]

Our pilot works much better since we replaced the standard Simrad fluxgate with the rate enhanced version which is an RC25 on our now superced system, thus I would always go for a rate enhanced unit now. It also gives you better heading output for radar stabilisation.