bang for buck, hmmm
2 linear drives, a wrecked tiller pilot
this should cost a bit less and the ST1000 and ST2000
which offer 120lbs and 170lbs thrust respectively. The
waterproofing just isnt there, nor is the build quality,
but thats ok you can keep the electronics and use linear
drives of decent quality. Your electronics inside the ST
incorporate a single fluxgate compass as standard and the
wiring to go to a master controller.
ok so to travel in one direction you set the tiller for
heading hold, and the forward rudder is parked. Thats just
simple direction mode travel which returns the forward
rudder to park. When you shunt you manage that manually,
shift direction mode which parks the new forward rudder
and makes the latter the tiller. You can reverse the
polarity of a linear drive when you shunt the other way
and flipped direction control, so you have effectively
flipped control with the same mechanism.
The fluxgate wont matter because you just have heading
hold when you engage it. I dont think the boat will have
any sense of which end is the bow. Once you get moving
line up to your next way point from where you are and you
can auto helm off the chartplotter.
If you could keep 2 rudders shipped all the time you
have a normal rudder and a canard rudder.. You have to
make them anyway just not lift them saving an operation.
The rudders can be ogival forms so they lift against
leeway, then they do something worthy other than just
produce drag.
Back to linear drives, I think thats how theyre wired
in ST4000 wheel steer, so that the wheel will turn each
way they just switch polarity, but my god the noise it
makes, it sounds like a food blender with a bucket of
bolts.