OpenMarine

Hello,

Just wanted to ask possibilities to include trim tab controls to pypilot... 
In general you could choose option for using autotrim function where system tries to level boat for optimum angle.
If changing course or passengers move, it could automatically correct boat trim and tilt. These systems are available from mente-marine and bennett at least...
Simplest would be to control 4 relays connected to existing trim system. (left,right, up, down)
This could be activated as mode Auto, and maybe some predefined settings (like roughseas) plus manual control within the system or hardwired buttons.

Trim function could be separated from actual autopilot, so those not using autopilot, could still activate "active-trim"

Any opinions are welcome.

Greetings from FIN

Potentially you could run a separate autopilot for this already. Make very slight changes to the pilot to make adjustments based on roll and roll rate rather than heading and heading rate, this would take just a few minutes editing the code, and it could already work.

Eventually, you would want a single autopilot to handle this as an additional motor output to make managing the system easier and to ensure cooperation for all the motors being driven.

Something similar is needed for active hydrofoils. It might also be interesting for catamarans to separately drive the rudders since this can really have interesting results in rough seas.

Supporting this is not really useful to very many people and I have a lot of other issues, so it will be quite a long time before I support multiple output drives. For now I suggest trying it as a separate autopilot and tell us about your results.