To play devils advocate, since it’s pressurising the hydraulics, why do they need to be on board at all? Could do a Zwift sailing option, and have them landslide on turbo trainers and just feed in the watts via a motor. Or just make it battery powered like the foils 😉
I think that’s a fair point. It is very arbitrary and no they don’t cycle to charge the battery on shore. I think operating from the shore would be tough. They active control is all human and they are looking and feeling all the time. In addition to looking at screens
The powered keel seems to be part of a sort of weird sailing politics. There seems to be a part of the sailing community that wants to hang onto mono hulls. This only seems possible with non human power.
Its worse on the big ocean racing mono hulls. I was watching one of the inshore races between volvo ocean boats and cheekily sent a live message asking why they were all running their engines. I knew the answer but the comments cheerfully admitted they can’t tack or gybe without a 75hp engine running to swing the keel
The smaller AC 40 boats are entirely battery powered. The crew of 4 just have electronic inputs. These boats are used for the women’s and youth Americas Cup