Home Optimal energy Iron Havana

Iron Havana


Iron Havana

by John Curnow, Editor-in-Chief, Sail-World AUS Nov 21 21:00 UTC

Now in black – SR13 © Composites Constructions

Often times, it’s just, The Smelly. Yes. The humble helper … Without him we would be lost, and yet he can be treated with such disdain. A question might well be, for how long? If it was an employee, he would have found another job a long time ago. If he had been your partner, his departure would have been marked by a hell of a storm, and the residual damage would be like waiting for the vegetation to grow back, and for the buildings to be erected again, after the passage of the said cyclone. , there are several seasons.

Now, nothing is as cheap or easy to use for extracting energy as a liter of diesel. Wind generators and solar panels have done their part, as reductions in the house are also achieved through things like LEDs. However, if you want to turn the winch via a button, tip the keel, or pump tons of water into the gunwale’s tank (s), then it is. Clear and simple.

Still, The Times They Are a-Changin ‘(and thanks Bob while we’re at it). ZF, Torqeedo and the Excess Catamaran brand from Beneteau have just received a Boat Builder Award at the METS, for the application of the Deep Blue 50kW sailing drives of the first two companies in the Excess 15 cat of the last company.

Saildrives provide clean, quiet and powerful thrust and handling. Mooring and navigation is now easier and more environmentally friendly than ever. Especially when we consider the most obvious number of Euro-ports, which have banned the iron topsail in all its forms. The drives also provide efficient hydrogenation, keeping the on-board system charged as you cruise.

It is clear that this is no longer just the domain of day-sailers. Cruisers and ocean racers see it clearly and, more importantly, realize it. Immediately one is also drawn to the very soon launched Carkeek 43 known as the Scarlet Runner (13) which we featured in Fashionably Black and earlier in C43, but it’s not an AMG.

Now SR13 has taken this path not only because of a technology of the future, but because pound for pound, everything made sense. Batteries, motors and drives are now in the same mass sphere as donkeys, coolant and fuel. We are talking now. And SR13 doesn’t just run the propulsion and lights, not to mention the USB sockets for gadgets 1, 2, 3, and 4, as there are electric winches on board. Okay, so there are motors to drive them, but there are no pedestals, shafts and gearboxes; because a boat like his wants to go fast, and the extra pounds are in the same category as those of an African long-distance runner. It will not arrive. Wheat is a treat, after all …

Take me somewhere

Well ships burn crude oil. They can give it names like ship oil and the like, but ultimately it is the very substance as it comes out of the ground or the seabed. Indeed, it does not burn instantly, without a pile of air, and heat, which is why it goes through preheaters before leaving for the combustion chamber, which in the case of ships can be 800 mm in diameter for some true two-stroke. growl. This smell when you go behind a ship at sea is the reason why it can so often be called crude sweet. (Do not mention toxins.)

The things that go bang

Walk down to the local feed and farm store looking to buy as much fertilizer, and the authorities are likely to get there as soon as you ask for the goods.

Now, ammonia may not have the same rate as carbon-based juices, but it is more energy dense than hydrogen, and also zero emissions. It can be made from renewable energy sources and also works as a fuel cell like hydrogen, so the parallels are distinct. However, there are some serious benefits to it as well, and that’s why shipping is scorching for smelly stuff. If it is liquefied, hydrogen should be stored at a level sufficiently close to absolute zero. If it is in the gaseous state, it will then be under 700 bars of pressure. For reference, a super serious turbocharged road car can run at 2-3 bar.

However, ammonia can be stored at a more conventional temperature of -33 degrees C in liquid form and only 9 bar as gas at +20 degrees C. This will make a difference and possibly allow fuel to be stored under decks. . Practice. The Viking Energy supply vessel is expected to enter service at the end of 2023.

If there is a downside, it is that ammonia is made up of one part nitrogen to three part hydrogen. To do its job, it is first split into two elements and then burned with air to generate electricity, the by-product of which is water. The tailings are sent through a catalytic converter (expensive metals) where they say that in optimal reaction processes there will be no nitrogen oxides released into the atmosphere which is one of the big problems with the combustion of carbonaceous fuels. The keyword is optimal, and remember that the metals in said converter are horribly expensive and you will need a good chunk of them as well.

LNG – Liquefied natural gas – so definitely not propane for your barbecue

Bringing a distinctly new meaning to the phrase, gain the upper hand over your own supply, especially if one of these carriers ever comes up. There is a reason they are double skinned, the spheres are lined with silver in order to be inert and cooled to a “walls of a brass hump” type level of -161 ° C. Still a good path to absolute zero of course (-273 degrees C), but very freezing all the same. Change those settings, drop a bomb on said ship or torpedo it, and the result is literally thermonuclear. Fortunately, the Americans keep a close eye on their Mk48 fish.

Regardless, work continues on LNG carriers using the greener fuel, and Storylines, part of the new generation of private apartment-style liners / yachts, will also be powered by LNG.

Carbon credits

Liquefied carbon dioxide (LCO2) is not a source of fuel. Still. May be. May be. This is an area of ​​maritime transport that is set to develop as a direct result of the capture, use and storage of carbon dioxide (CCUS), which is seen as an effective means of achieving a neutral world by carbon. LCO2 carriers will play a central role in the value chain by transporting LCO2 to storage sites and facilities for use. Now, if you could get the oxygen out of the structure to use it in transport, you could kill two birds with one stone. Yes, the propeller spins on top of my hat.


To always be inexorably linked to one thing – hydrogen – the first element. There is more than one life, there was a small problem, and the fundamental problems are and always will be. However, we have passed Duesenbergs and global conflagrations. PowerUP has shown us the way, and you can see it here www.sail-world.com/news/238437 and here www.sail-world.com/news/239658.

Also soon discover our editor-in-chief’s interview with PowerUp founder Dr Ivar Kruusenberg, which took place at the very recent METS trade fair in Amsterdam. It’s great that Mark Jardine has been there, and the fruits of that are some really good information, like the soon to be released video where Ivar explains how it all works.

There are two things left. All this will seriously contribute to the green references of yachting. Yes. It’s expensive right now, but as we’ve demonstrated it does happen, so a big thank you to everyone who donated money. And thanks also to Aldous Huxley. Because without your book, there might not be one of the most cited lines in the world. Now. Let’s continue to see what we can find …

Feel free to take advantage of the plethora of information on the group’s sites when you can.

Likewise, if your class or association generates material, please submit your material. Do you want to subscribe ? Just follow the instructions on our newsletter page. You can also subscribe to other editions from the drop-down menu.

Finally, thank you very much for making Sail-World your go-to choice. We are always here to keep spreading the news. Stay safe and enjoy your time on the water.

John curnow
Editor, Sail-World AUS