Alot of lobster boats are running thier haulers off the transmission.No drive shafts or belts.
I have had the COMNAV 1420 Series in my boat for 4 years now and Iâ€™m happy with it. Itâ€™s no Simrad but it does what I need and its around 1/3 the cost. I was replacing an existing AP and was able to use the previous pump w/o any issues. I think I paid $900 for the entire system minus the pump. Installation was fairly simple and quick thanks to the pump already being in place. I have it interfaced with a Lowrance GPS and it was an easy interface since all that was needed to connect to the NMEA output/input was some speaker wire. Easy to calibrate , has a good range of settings, tracks good and is fast in most sea conditions. I just go it with the fluxgate compass but you can get an optional Heading Rate Stabilizer which supposedly helps in very rough conditions but Iâ€™ve never had the need for it. Unit is simple to operate and if youâ€™re not looking to spend a lot and have a reliable AP w/o all the bells and whistles, COMNAV may be the way to go.
Hope this helps.