^^^^The risk with the above plan is trashing the batteries.
Ime, and ho, the wind
will come again, and the problem will go away. They can lie ahull, if needs be, for 2 or 3 days, and occupy themselves with trying to get the boat
to move via sail power. Again, ime, movement in any direction at all at .5k can be heartening, and really doesn't do you much harm if it's not the preferred direction. The wind
will come back, and they'll be able to get on course. And, as long as there's water
, if food
gets short, they'll ration it, and shall have had an adventure, and a learning
experience. There's a reason why experienced cruisers provision for 50% more days at sea than the planned passage