There’s a reason they quit, though. It’s slow and doesn’t let you go in every direction. The midline area of earth has winds that move mostly towards west, while the north and south portions blow mostly east.
For those curious, these sails save 12 tons per day. The average cargo ship uses around 200,000 tons per day, so around 6% better fuel economy.
The 12 tons are a best case and they represent 37% of this ship’s fuel consumption, that would be ~32.5 tons a day, on average it saved 3.3 tons, ~10%.
There’s a reason they quit, though. It’s slow and doesn’t let you go in every direction. The midline area of earth has winds that move mostly towards west, while the north and south portions blow mostly east.
For those curious, these sails save 12 tons per day. The average cargo ship uses around 200,000 tons per day, so around 6% better fuel economy.
The 12 tons are a best case and they represent 37% of this ship’s fuel consumption, that would be ~32.5 tons a day, on average it saved 3.3 tons, ~10%.