The demonstration of Wind Tech in the maritime industries looks like an exciting prospective, 60% fuel gains is no joke. Its great to see something as ancient as a sail gain a modern makeover.
I went to sea in 1975 the Japanese built a ship which was wind assisted the only problem is all commercial charters are time priced and wind power is not enough to guarantee transit times and there are many great areas of the Worlds Oceans with little to no wind for days at a time.
It saves 30% fuel, so once combined with alternative clean fuels for the engine, or maybe even green hydrogen fuel, then it would definitely not just cut costs but also dramatically reduce CO2 emissions.
The difference here compared to the comment on the 1975 Japanese ship is that now the ship still can do exactly what it is designed to do, and achieve published port timings, based on the engine at 100% fuel usage. As such the wind assist will either allow the engine to run slower while the ship maintains the speed or actually if the engine runs at 100% the ship will arrive earlier. in both cases the fuel burn for the trip will reduce by the roughly 30% as calculated. Would be interesting to see how this can be deployed on container ships as they have a much higher cargo loading. However even if container ships might not be possible it will take a massive task to put this sail technology on all suitable vessels.
How long will it take to make the savings back from supplying, installing, maintaining & operating these devices, and what is the expected lifespan? I have a gut feeling it is not as good as you would expect.
There appears to be a lot of complexity in the system to deploy, stow and orient the sails. I wonder if a series of rotating cylinders (Magnus effect) would not be a simpler solution? Agreed, that the wind vector isn't always favorable to the route/destination of the ship. Clipper Ships seemed to do OK in the 1800's. But, they relied on a crew dedicated to managing the sails for best point of sailing - 24/7.
Not the best commentary to be honest. A lot of the video talks about the companies involved rather than the actual technology. It's also funny how you're reading marketing verbage that's technically meaningless.
The demonstration of Wind Tech in the maritime industries looks like an exciting prospective, 60% fuel gains is no joke. Its great to see something as ancient as a sail gain a modern makeover.
Wind wings, it’s a sail
I went to sea in 1975 the Japanese built a ship which was wind assisted the only problem is all commercial charters are time priced and wind power is not enough to guarantee transit times and there are many great areas of the Worlds Oceans with little to no wind for days at a time.
It saves 30% fuel, so once combined with alternative clean fuels for the engine, or maybe even green hydrogen fuel, then it would definitely not just cut costs but also dramatically reduce CO2 emissions.
The difference here compared to the comment on the 1975 Japanese ship is that now the ship still can do exactly what it is designed to do, and achieve published port timings, based on the engine at 100% fuel usage. As such the wind assist will either allow the engine to run slower while the ship maintains the speed or actually if the engine runs at 100% the ship will arrive earlier. in both cases the fuel burn for the trip will reduce by the roughly 30% as calculated. Would be interesting to see how this can be deployed on container ships as they have a much higher cargo loading. However even if container ships might not be possible it will take a massive task to put this sail technology on all suitable vessels.
I'm no engineer but I taught it be the most obvious way to improve shipping fuel efficiency
If it saves money, which it does, it should rapidly become the standard.
How long will it take to make the savings back from supplying, installing, maintaining & operating these devices, and what is the expected lifespan? I have a gut feeling it is not as good as you would expect.
There appears to be a lot of complexity in the system to deploy, stow and orient the sails. I wonder if a series of rotating cylinders (Magnus effect) would not be a simpler solution? Agreed, that the wind vector isn't always favorable to the route/destination of the ship. Clipper Ships seemed to do OK in the 1800's. But, they relied on a crew dedicated to managing the sails for best point of sailing - 24/7.
Only deploy sails in favourable wind with engine power subsides for cruise speed
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With the long lifespan of some of these bulk carrier retrofitting of wind, wings to existing ships cannot happen fast enough.
You know this is still in the testing/developing and is a very long way away...
Also the captain will ask the crew if they're afraid of death
New technology? Is that code for, we're using 5000 year old technology?
centuries to overtake, i think
Not the best commentary to be honest. A lot of the video talks about the companies involved rather than the actual technology. It's also funny how you're reading marketing verbage that's technically meaningless.