Laser Sailing Tips

RC Laser Sailboat Review

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Last Updated on March 7, 2023 by Brendan

  • 1 Why Choose an RC Laser Sailboat?
  • 2 RC Laser Specifications & Features
  • 3 Different Kinds of Rigs
  • 4 What You Get/Assembly Details
  • 5 Where To Purchase
  • 6 Popular And Affordable
  • 7.4 Australia
  • 7.5 Other RC Sailing information:
  • 8.1 More From My Site

The RC (Remote Control) Laser sailboat is one of the easiest model yachts to assemble and operate. It is a scaled-down (1/4 size) version of the real boat – the famous racing Laser dinghy, which is the most popular sailing class in the world. The RC Laser Sailboat version of this boat was intended to be simple so that those who are new to the sport would find it relatively easy to get into due to affordability and ease of use.

However, just because it is easy to learn doesn’t mean it is easy to master. And this is one thing that makes it so appealing to sailors of all different ages and abilities.

The full-sized racing Laser dinghy was designed by Canadian sailor/yacht designer Bruce Kirby. Kirby has appeared in three Olympics and also designed two America’s Cup Defenders. The Laser is his most popular and best-known design. In fact, well over 200,000 of them have been built which makes the Laser the all-time most popular racing class. Read more about the full-sized laser dinghy here .

RC Laser sailboat

The RC version of the Laser was created by RC yacht designer Jon Elmaleh who has been one of the top designers of remote-controlled boats since 1982. He has also earned well over 30 championships in national RC racing events. His technical design skills partnered with practical racing experience aided in the final RC Laser product.

Why Choose an RC Laser Sailboat?

The RC Laser sailboat is an exciting way to get into the world of RC boats. The Laser is a very simple boat to operate and does not have the complicated hardware of other RC boats making it easy to assemble. There are no stays holding up the mast. The simple design makes it quick and easy to change rigs when the conditions vary… taking no more than a few minutes.

The RC Laser sailboat is also very durable and can be operated in almost any size body of water, including small ponds, bays, and lakes. The RC Laser sailboat is a great sailboat for kids and adults and is a perfect model for racing, and is good for anyone interested in remote control boats.

Similar to the full-sized version, all dinghies are the same, which makes for competitive racing. However, because of its simple design, it is relatively easy for beginners as well. This versatility makes it a popular choice for people of all experience levels.

RC Laser Specifications & Features

All RC Lasers have the same dimensions. Some of the Laser’s specs and features include:

Spec / FeatureDetails
Overall length105.4cm / 41.5in
Waterline length95.8cm / 37.7in
Beam33.3cm / 13.1in
Draft43.2cm / 17in
Weight4kg / 9lb
Overall height – A Rig216cm / 85in (from bottom of keel to top of mast)
Hull and deckOne piece molded polyethylene
MastTwo piece, tapered fiberglass and swivels as it is fitted into a non-captive deck step. There is no standing rigging.
SailsNon-woven polyester composite film, sleeved
BoomMetal boom with stainless outhaul sliders that are easy to adjust
GooseneckFixed to mast and rigid (no boom vang required)
KeelBulb on the bottom.
Inserted up through the bottom of the hull and locks into place (no tools required)
RudderClips into place
ElectronicsOn board, class-approved sail and steering servos
Radio compartmentEasy access with a snap-lid port
Radio2-channel AM system (for use with drum sail winch and steering servos)
BatteriesUses 8 or 12 AA batteries, alkaline or rechargeable (not included)
All PartsInexpensive to replace and designed to be completely interchangeable
OtherSaltwater safe, corrosion resistant

Different Kinds of Rigs

The Laser RC sailboat has a total of four different sails/rigs and each rig setup requires a slightly different mast and boom combination. As complicated as this may sound, it really isn’t and once you get the hang of it, you’ll be changing rigs quickly and with ease.

Many RC Laser Sailboat sailors actually own all 4 rigs (ie. 4 x masts, 4 x booms, 4 x sails – all rigged up and ready to go) so that they are able to pick the best rig for the conditions. If the conditions change throughout the day, then all the owner has to do is bring the boat to shore, unclip the mainsheet on the used rig and remove the rig, insert the new rig into the mast slot, and clip up the mainsheet on the new rig, and launch the boat. This means minimal time is wasted between races and gives the owner the best chance of being competitive.

Essentially the wind speed will help you to determine which rig setup to use. There may also be times when you will be able to run a bigger rig for a longer period of time as your sailing/skipper skills improve.

Rig Config / SpecsA RigB RigC RigD Rig
Mast height1.7m / 5' 7"1.35m / 4' 5"1.35m / 4' 5"1.35m / 4' 5"
Sail area0.612 sqm /
949 sq in
0.458 sqm /
710 sq in
0.387 sqm /
600 sq in
0.193 sqm /
300 sq in
Approx. wind speed (knots) 17-22> 23
boom and mast combinationdedicated A mast and standard boomstandard mast and standard boomstandard mast and short boomstandard mast and short boom

You can see the different sizes of the 4 rigs in the photo below (The A-rig is on the left, through to the D-rig on the right)

RC Laser 4 sizes of rigs

What You Get/Assembly Details

remote control laser dinghy

Believe it or not, an RC Laser sailboat has just five parts and can be rigged and unrigged in less than 5 minutes after your first assembly. The shipping box it arrives in has all the parts and you can put them together without the assistance of any tools. The hull, keel, rudder, mast, and sail all fit together easily and are designed specifically to be quickly launched, or so you can change rigging quickly to address different racing conditions.

Speaking of launching, all you need is a few feet of water and a gentle breeze. So, in other words, you can sail or race virtually anywhere there is some water. This includes a pond, lake, harbor, and even a swimming pool. Because of the efficient design, even a very light breeze can produce enough wind for your sailboat to work.

When it’s time to pack up and go, the RC Laser comes apart quickly and stows away in a padded boat bag that keeps everything in place and secure for any kind of travel. It is also compact and lightweight so you can carry your packed sailboat over your shoulder, in the trunk of a vehicle, or as luggage on a plane. It is that easy to take your hobby with you wherever you go.

Have a look at the video below to see how quickly and easily you can rig your RC Laser Sailboat (and if you have the rigs all set up to go, you can rig your Laser in about 1/2 the time in the video)…

Where To Purchase

Probably the best option when looking for an RC Laser for sale is to shop online. This is probably your best bet when you are trying to access everything from a used sailboat in good condition all the way to a new one. Plus, if you are in the market for accessories or replacement parts, you will be able to find whatever you need online. As for electronics, you can purchase most gear in most hobby/electronics stores.

Another source for locating new or second-hand sailboats is at a local yacht club, by asking around or on the noticeboard. Depending on the size of the community and proximity to water, many cities and regional towns have RC Yacht Clubs as well. The sailors/skippers in these clubs may have contacts that can help you locate what you are after.

Another option, hobby shops are where you may be able to find an RC Laser sailboat for sale.

Popular And Affordable

As mentioned above, the RC Laser Sailboat is very popular. The reasons vary but most of it has to do with the fact that there are clubs set up so that you can actually race against others with identical boats (similar to the actual full-sized laser world-class racing dinghy). Being remote control, it is easy to learn (but can be difficult to master) and people of all ages and fitness levels can race. The interest in racing also spans generational boundaries with parents, children, and even grandparents racing each other on a family outing.

Laser RC sailboat

What has assisted in cementing the racing relationship of RC boats with real sailors is the formation of RC Yacht Clubs. Some are under the umbrella and share facilities with regular yacht clubs whereas others are stand-alone groups. The reasonable cost of RC Laser sailing is also what attracts people with a basic new starter kit running between $500 and $1,000.

One great way to connect with other RC sailboat owners is through social media and the internet. There are several pages on Facebook dedicated to the hobby as well as YouTube videos showing how they handle and how competitive racing these remote control model boats can be. See the video and links below for some good resources.

For More Information Visit These Websites

https://rclaser.org.uk/ contains information on news, events, and clubs around the UK, as well as other general RC Laser Sailboat information.

In Western Canada, the largest group is the NanaimoRC Laser Fleet 17 in British Columbia. Their website includes a schedule of upcoming racing events and has results posted from previous ones.

In the United States, there are quite a few clubs to check out. Have a look at https://rclaser.org/ for starters. It has a good list of clubs and events around the USA.

RC sailing is huge in Australia and some of the best sources for information on events, buying a boat and anything else you may need to know are at http://radiosail.com.au/ and https://rcyachts.net/classes/rc-laser/ .

Other RC Sailing information:

In addition to the above sites, other great places to find out more about RC sailing include –

  • American Model Yachting Association
  • Canandaigua Lake RC Laser Sailing
  • Australian Radio Yachting Association
  • Radio Control Sailing Australia Facebook Page

RC laser dinghies sailing upwind

Your Laser RC Sailboat Is Waiting

Remote-controlled sailing is much more than just a hobby – it’s a sport that a complete world of competition has been built around. Included in that world is a lifestyle that brings families and friends together.

It can be as casual or as competitive as you desire and what makes RC sailing with a Laser RC boat most interesting is that it is fun for everyone.

Author note: Thanks to Graham, Steve, and the other gents down at Dobroyd Aquatic Club  for sharing their time and RC Laser Sailboat expertise with me. They were very welcoming and willing to give their time and explain things in detail, just as many of the other club members around Australia and the rest of the world would be to RC sailing newbies, I am sure.

So if you want to know more about RC Laser sailing, have a look at the links provided above. And why not drop down to your local club and have a look for yourself and chat with the locals.

More From My Site

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About Brendan

Brendan has over 30 years experience sailing dinghies, yachts, and windsurfers, but has recently started Laser sailing. "I found it difficult to find all the information that I needed when I started sailing my Laser, and I am sure that others have had the same problem. So I combined all the information I could into this website to help other Laser sailors get the most out of this sport. If you have any questions or comments, let me know... I will get back to you as soon as I can."

15 Comments

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What a great site! The RC Laser is certainly the best value for anyone looking to get into radio controlled boats. There are cheaper models but the longevity of the RC Laser puts it out in front. It is easy to sail but a real challenge to race. Great fun.

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Hi Peter Thanks for your message and comments. I think what you said “ easy to sail but a real challenge to race ” is what makes it so popular amongst so many people, and is similar to what makes the full-sized laser dinghy such a popular option also. I think it’s good to have something that you are not able to master in 2 seconds, but rather something that challenges you and you grow and learn in the process. Thanks for sharing your thoughts. Brendan

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When sailing down wind the bow starts to going under water. Is there anything I can do to stop this?

Hi Bob. Thanks for your question. Due to the forces acting on the boat, this is to be expected to some extent. When sailing downwind, you have the sail pushing forward, and the drag of the boat moving through the water pushing in the other direction. This creates a turning moment, which can tend to push the bow down. In full sized dinghies and yachts, you can obviously counteract this by moving your weight back, but unfortunately you can’t really do this well with RC sailboats. A couple of things that you may be able to do include trying to avoid running into the back of waves (as this slows the boat down, and increases the turining moment which pushes the bow down). Another issue may be that you are overpowered, so you may want to try a smaller rig. Also, please have a look at this article which explains nosediving in more detail. Although it does not specifically talk about RC Lasers (it focuses on the International One Meter class, or IOM), the principles are the same. There may be other RC laser sailing experts out there that have some other ideas, so I would be interested to know their thoughts. Hope this helps a little. Cheers Brendan

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hallo. My name is kenneth. I Im from Denmark. I just bord a rc laser. Do you know any one from Denmark who is sailing??? I would like to race. Have a nice day.

Hi Kenneth Thanks for your message. I did a quick Google search and found this site – http://modelsejlklubben.dk/ . It looks like they do not only race RC Lasers, but race all types of RC yachts. I am not aware of any other clubs that race RC Lasers in Denmark, but I would say that you would be best to just do a few Google searches for things like “RC Laser Sailing” or “rc laser sailing club”. Otherwise, if there is a sailing club near to where you live, why not go down there and ask around – some of the locals may know if there is a club nearby that sails RC yachts, and possibly RC Lasers. Thanks, and all the best. Brendan

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Anyone know a way to take out creases in Out There Technology RC laser sails. Unfortunately I purchased replacement sails and received them through the post, they had been rolled C sail inside B sail from the head down rather than rolled around a tube from the foot up. Anyway, the crease in the leech is ugly and will affect performance, My question is, can the sails be ironed with a warm (not hot) steam iron with material (towel) between iron surface and sail or is there any other way to remove these creases.

Hi John I haven’t tried ironing to remove the creases from sails, and have heard some stories of the heat ruining the sail, so you would have to be very careful. Here is another discussion on the topic. It may give you some other ideas. Best of luck with it. Cheers

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Hi. Do you maybe know where I can buy a rc laser somewhere in South Africa??

Hi Edmund Unfortunately, I am not sure where you would be able to buy an RC laser in South Africa. I did a little bit of research and it looks like Pretoria Sailing Club used to sail RC lasers, but I am not sure if they still do. It might be worth reaching out to the club to find out some more info. They might also be able to tell you where you can buy an RC laser. Best of luck. Brendan

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Hello, How will the RC laser hold up in salt water?

Hi Martin If you’re sailing your RC boat in salt water, it’s always a good idea to give everything a good rinse-off in fresh water and allow it to properly dry before packing it up. You want to take special care not to let any water inside the hull where the electronics are. This means sealing up all the hull penetrations such as screws holding the rudder and mainsheet servos and the hull access plate. After a day’s sailing, always check to see if any water got inside the hull. I put a couple of sponges inside the hull to soak up any drops that may enter. If you take care to wash & dry all your gear and keep water out of the inside of the hull, it minimizes the chance of having any issues.

Thanks for the information. That’s a great idea with the the sponge. Received my boat today. Looking forward to getting out on the water.

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what radio is included in the RTR package?

Hello Carl From my experience, when you buy a RC Laser sailboat, it typically comes with a 2.4 GHz transmitter and receiver as part of the radio equipment. However, this equipment may vary depending on the specific package or seller. Radio equipment brands include Flysky and Spektrum.

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RC Laser Sailing Dinghy

RC Laser

The RC Laser Sailboat is a radio-controlled version of the real-life Laser, designed by Bruce Kirby. To date, over 3000 RC Lasers have been sold. They’ve been distributed in the United States, Canada, the Caribbean, South America, England, France, Germany, Switzerland, Singapore, Thailand, Malaysia, New Zealand and South Africa. There is a close-knit RC Laser community, with clubs and races all over the world.

The RC Laser has only five main components, and weighs just seven pounds. No tools or special skills are needed to put it together. The hull and deck molded in one piece Polyethylene, Mast is tapered fiberglass composite, two piece, Sail is sleeved to slide over the mast. The sail is made of non-woven polyester composite film.

Mast is stepped into a non-captive deck step that allows mast to swivel. There is no standing rigging. (Note – boat cannot be lifted by its mast because mast will come right out of the step. Boat can be easily lifted by a ring on top of the keel at deck level.), Gooseneck fitting is fixed so boom vang is not necessary, Keel and rudder snap in place with no tools.

There is easy access to radio compartment via snap-lid port and an easy to adjust stainless outhaul.

  • Specification
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Length : 41.5 inch Beam : 13.1 inch Weight : 8.97lb Sail Area : Varies according to rig used

RC Laser Association













Length Deck 41.5″

Length Waterline 37.75″

Beam 13.5″

Draft 17″

Main Hoist 50″

Mast top above deck 54″

Bottom of keel to top of mast 73″

Sail Area

A Sail 949 sq. in.

B Sail 710 sq. in.

C Sail 600 sq. in.

D Sail 525 sq. in.

Displacement 9 lbs.












































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The RC Laser is the official remote controlled version of the world famous Laser dinghy. The boat is delivered ready to sail - complete with radio control gear. The hull measures approximately one metre overall length and when rigged with the larger of the three sails, the boat stands over 7 feet tall from the bottom of the ballasted dagger board to the sail head.

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Welcome to Radio Control Sailing Australia

Radio Control Sailing

A Unique Model Yacht – How RC Laser is Constructed

The Only Model Yacht Hull of its Kind

The choice of blow-moulded polyethylene for the RC Laser hull is one of the reasons why this model yacht is not only exciting to race but also a joy to own. And yes, it is unique, as no other model yacht in the world is produced using this material. The advantages are;

  • Cost – using poly material meant the model yacht could be uniformly mass-produced in one homogeneous piece using a blow-moulding system. The reason others don’t copy this process is the high cost of building the moulds. HOWEVER, once done, the resulting value is head and shoulders above all the rest. It is the main reason why no other ready-to-sail model yacht of a similar size and performance is available for such a low cost.
  • Durability – the poly hull has written the book on durability. Not only is the boat indestructible on the water, it is remarkably resistant to damage when being handled and transported. What other model yacht would you dare to check as baggage on a commercial airline packed only in a soft, zippered bag! Now think about that – if the model yacht can take that kind of punishment, it should be able to handle anything you throw at it!
  • One Piece and Watertight – the RC Laser model yacht is moulded (deck and hull) in one piece. Except for a 1/16″ hole in the transom, used for pressure equalization, the boat is completely watertight. And, yes, it is hollow.

Not Just Any Model Yacht Mast

The RC Laser mast is not just a tube but a carefully produced, fibreglass, tapered, two-piece mast. It is unique in the model sailing world.

The Best Model Yacht Sails

The authorized sails for the RC Laser are all single panel sails, made to one plan, by one manufacturer. This has great advantages for general use and for one design class racing;

Material – it looks like rice paper but it wears like iron. The material is best likened to a material that you see used in express envelopes. You know, the ones you absolutely can’t rip open! It is actually polyester film laminated to polyester tissue. A brand name for this polyester film is Mylar. The leech of the sail is two pieces of this material bonded together to form a leech that will not fray nor stretch. The unique result – a sail that will never tear, mildew, or lose its shape.

Design – it’s all in the luff round. Anyone that has designed sails for a bendy mast will tell you that it is no easy task to get the sail to fit the mast when the mast is bending all over the place. That effort becomes even more pronounced when you bring it down to the size of a 100cm long model yacht. To make it work on the RC Laser, the sleeve that goes over the mast is relatively deep (fore and aft). When there isn’t much wind, the mast is standing up straight inside the sleeve. If you look closely you will notice that the sail extends well in front of the mast about half way up. In this case, the luff round is touching the mast at the head and the foot only, causing the “round” arch forward of the mast. Even though it looks a little strange, the stiffness of the sail allows this “leading edge of the wing” to be very effective. As the wind picks up, the mast begins to bend and eventually fits right along the pre-cut luff round of the sail! Unique?? You bet!

The RC Laser has three Sail sizes – whatever the conditions there will be a rig to suit the conditions.

Effective Model Yacht Electronics Compartment

The engineering jewel of this model yacht is the electronics compartment. Radio controlled boat designers have long sought effective ways to keep electronics dry. The RC Laser took the effort to a new level. When the boat is moulded, it has a “cockpit” moulded into the deck. A neatly designed deck plate is then permanently sealed over this cockpit. The result is the driest, most accessible electronics area in any radio controlled boat. Only those that operate RC equipment around water understand just how important this is – especially when sailed in salt water.

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Where To Buy Your Laser

Buying an rc laser.

This page gives you details of the UK suppliers of RC Lasers, spares and accessories. There are from time to time a few second hand boats listed.

Listed below are a number of UK & worldwide suppliers who work hard to supply you with parts and accessories for your RC Laser, there are a couple of model shops and a couple of dedicated RC Laser specialists in there. All should be able to help with your enquiry.

Click on the bold writing to be taken to a website or send an email to your chosen supplier.

Abersoch Boatyard Services  Ltd - 01758 713900 -  Send email

Second Hand RC Lasers

Listed below are some second hand boats that are available. Owners contact details are listed in the advert. If you would like to list a second hand RC Laser please drop the webmaster an email to  [email protected]   Adds more than 2 month old will be removed, If not sold please resend details.

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Modeller’s Workshop MW220 Dragon Class 48″ Laser-cut Frames!

These frames are based on the latest design by Colin Johanson, noted designer of a number of scale model frame sets.

This items includees the laser-cut parts to build the hull structure of the Dragon sailboat at 48″. The frame set is so designed with two keel depths so a modeller can build this for R/C sailing or as a display model. A laser-engraved deck, with properly spaced and curved deck-planking is included. This is drawn on 1/16″ plywood that can be used as a template for the actual planking or that can simply be stained and used as is.

The bulkheads include a t-rail structure so the boat can be assembled easily. Please note parts for the interior of the cabin and the cockpit are not included.

Here is a view of the parts that you will receive as they are loosely assembled upside down on the included T-rail. Note that the rail itself should be installed on a sturdy, and flat, worktable.
Here is a view of the cut diagram from which we make the parts. Notice that you can build the model as a scale sailboat or as an R/C sailboat by using the different shapes of the included keel piece and rudder.

Here are a few more pictures completed on the R/C lines.

These parts are made in Canada from choice birch plywood.

Best Regards,

Modeller’s Workshop Montreal, Canada

. . . n.b. The main picture was graciously sent by Klaus Kollmann, who built his model using our frames.

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Keeps on cooking once you remove it from the oven. Make sure to bake and readto to use whenever its necessary. Braise or roast the bird at a high enough temperature to keep it safe to eat and don’t overcook it.

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When I was just starting 6th grade I got my first job. Paperboy! Boy, was I excited. At that time I had spent a lot of time actually playing the video official game Paperboy disked.

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Prospects of the domestic yachting industry. Moscow Boat Show exhibition was held in Moscow.

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Moscow Wildcats High School Custom Laser Etched Floor Mats - Tan

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Manufacturer ‎National Threads
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August 22, 2024

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From clouds to fjords, the Arctic bears witness to climate change

by Sandrine Perroud, Ecole Polytechnique Federale de Lausanne

From clouds to fjords, the Arctic bears witness to climate change

Climate change is particularly intense in the Arctic. To assess its consequences and determine what role this region plays in global warming, two teams of scientists from EPFL have visited the area. One to gain a better understanding of the region's air composition, the other to quantify the greenhouse gases sequestered in Greenland fjords sourced by glacial water.

In the Arctic—a region where temperatures are rising three to four times faster than anywhere else on Earth. In parallel, the amount of "life" in the Arctic Ocean is increasing, which is affecting the production of biological aerosols and impacting cloud formation.

Julia Schmale, head of EPFL's Extreme Environments Research Laboratory (EERL), and her research group are working to quantify this critical process. An increase in clouds in the Arctic could either warm or cool the region, depending on the extent of sea ice.

"We know that Arctic clouds are generally made up of water droplets and ice crystals," says Schmale. "But a lot remains to be learned about their exact composition and how they're formed.

"For example, the seeds of water droplets and ice crystals—are they sea salt, organic particles , inorganic particles, or mineral dust? And most importantly, what percentage of these seeds comes from natural sources and what percentage from human activity?"

Beginning of an answer

Two studies led by Schmale's research group shed light on this complex and strategically important field of study. They looked specifically at the natural aerosol particles which act as cloud seeds, or the seeds that enable ice crystals in clouds to be formed.

The first study, published in Elem Sci Anth , quantifies for the first time the amount of fluorescent biological aerosols contained in Arctic air. These aerosols are mainly bacteria and amino-acid-containing particles that are produced in the ocean or on land.

They're very efficient at seeding ice crystals: ice begins to form at –9°C, whereas with mineral dust, for example, ice begins to form at around –20°C.

This study draws on data collected on an icebreaker over a full year (between 2019 and 2020) during the MOSAIC expedition. "We used a laser-based instrument to take second-by-second measurements of the fluorescence of air particles," says Schmale.

"Particles that fluoresce are generally of biological origin." These data enabled the scientists to estimate the concentration of natural biological aerosols in the air and form hypotheses about where they came from.

In the winter, for example, the scientists observed "bursts" of these aerosols, which was surprising given that the ocean is frozen over during that time and there isn't much biological activity. The scientists hypothesized that the aerosols had been carried over, such as within clouds, from distant areas.

In June, the concentration of biological aerosols started to rise dramatically—coinciding with a peak in biological activity as measured by high chlorophyll levels in the water.

There was also a sharp increase in the quantity of ice nucleating particles at –9°C. While no direct causation could be shown, this is a strong indication that locally sourced biological particles contribute to ice nucleating cloud seeds in the central Arctic. Parallel processes were observed over the course of the year.

"Interestingly, as chlorophyll production dropped in the fall and larger microbes in the ocean water were replaced by smaller ones, the size of fluorescent aerosols also decreased," says Schmale. "This reflects a seasonal marine microbial transition that also occurred in the air."

Machine learning analysis

The second study, published in npj Climate and Atmospheric Science , is based on a machine-learning analysis of aerosol measurements and weather data over the past decade.

It's the first to identify which meteorological factors are behind the production of methanesulfonic acid (MSA), an important marine aerosol created by phytoplankton blooms, and how this production will likely change over the next 50 years. MSA is a key component of cloud condensation nuclei, or the seeds for cloud droplets, and is therefore climate relevant.

Meanwhile, the Climate and Atmospheric Science study examined possible MSA trends in the Arctic. EERL scientists worked with the Swiss Data Science Center to combine field observations with analyses of weather data and air-mass back trajectories.

They developed a data-driven model in order to gain greater insight into the factors responsible for MSA production today. For example, the scientists found that solar radiation, cloud cover, and cloud water content are critical factors, pointing to specific atmospheric chemical processes.

The research team then calculated trends in these factors over the past decades and extrapolated them to outline scenarios for MSA seasonality in the Arctic going forward.

"Our key finding is that there will probably be less MSA in the spring and much more in the fall," says Schmale. "That's due to seasonal changes in precipitation in the spring and a marked retreat in sea ice in the fall." This suggests that climate change affects the aerosols influencing cloud formation , which in turn affects climate change.

Asking the right questions

Scientists are already planning another international expedition into the Arctic, and are preparing a research vessel—the Tara Polar Station—to collect central Arctic data over the next 20 years.

"The advances achieved by these two studies are fascinating in my opinion because they show how important natural sources of aerosol particles are for the Arctic climate system, and suggest these sources will change drastically in the coming decades," says Schmale.

"These initial results tell us that more research is urgently needed to predict what the Arctic will look like in 2050. They'll help us ask the right questions for future studies in this field."

Gases stored in Greenland fjords may contribute to global warming

In June 2024, another team of EPFL scientists traveled through two beautifully wild fjords of Greenland. In the depths of these inlets sourced by century-old glaciers, they map the amount of two greenhouse gases dissolved in water at depth.

They want to determine if these greenhouse gases could potentially amplify global warming via some unknown natural feedback mechanism. This project is part of the GreenFjord international expedition, scheduled to run from 2022 to 2026, financed by the Swiss Polar Institute and scientifically led by Julia Schmale.

"We bring our technological expertise to Greenland, engineering the right instruments to analyze dissolved greenhouse gases in aquatic environments and document their spatial variability. Our aim is to answer fundamental questions about Greenland's role in the future of global climate change," says Jérôme Chappellaz who leads EPFL's Smart Environmental Sensing in Extreme Environments (SENSE) Laboratory.

In past interglacial periods when Greenland was partially melted, it is possible that the melted regions were covered with tundra and boreal forests, known to lead to soil rich in organic material. As these organically rich soils decompose, they emit carbon dioxide and methane, which is one of the reasons why scientists are so interested in Greenland's contribution to global emissions.

Note that the glaciers in Greenland are different from the ones in Switzerland.

"It's highly unlikely that we'd encounter the same phenomenon in Swiss glaciers since they were formed at very high altitudes where vegetation is almost inexistent," explains Chappellaz.

Impacts on microbiology

Fjords are a long, narrow and deep inlet of the sea between high cliffs, typically formed by submergence of a glaciated valley.

Chappellaz and his team benefit from an interdisciplinary project called GreenFjord, coordinated by Julia Schmale, who leads the Extreme Environments Research Laboratory (EERL) of EPFL. They have engineered advanced instruments specifically to measure dissolved methane (CH 4 ) and nitrous oxide (N 2 O) at various depths of water in the two fjords in southwest Greenland, down to 700 m of depth.

The fjord fed by a marine-terminating glacier consists in fact of a continuum of fjords, Ikersuaq, Brederfjord and Sermilik, where glacier water arrives from below the floating glacier into the fjord and then to the Labrador sea, progressively forming a layer of glacial water floating atop of seawater.

In contrast, fjord Tunulliarfik, inhabited by the settlement Igaliku founded in 1783, is sourced by a glacier that ends on land and where glacial meltwater invades the surface of fjord waters from the onset of the fjord itself.

"The distinct features of the two settings generate large differences in the physical structure of the water column as well as in the input of nutriments, both affecting the microbiology in the two fjords and then the fate of these two greenhouse gases. This is what we want to compare and quantify. In a situation of a disintegrating Greenland ice cap, it's an open question if such mechanisms could add another unexpected source of greenhouse emissions on top of human being sourced ones," explains Chappellaz.

An unexpected source of greenhouse gases?

Chappellaz and his team visited both the marine- and land-terminating fjords aboard the oceanographic vessel Sanna. Aboard the Swiss sailboat, the Forel, they focused on the marine-terminating one. Scientists were able to get close enough to the glacier front in the marine-terminating glacier fjord, to measure and hopefully characterize how much methane gets into the fjord through the subglacial water system.

In a 1995 publication , Chappellaz shows that greenhouse gas production in Greenland soil is strong and that large concentrations of carbon dioxide (CO 2 ) and methane are currently trapped in basal ice, located at the heart of the Greenland ice cap.

"The natural question is then how much of these greenhouse gases are released when the glacier water melts? How much is getting to the coast and possibly contributing to significant fluxes released into the atmosphere? In a situation of a disintegrating Greenland ice cap, it's an open question if such mechanisms could add another unexpected source of greenhouse emissions on top of human being sourced ones," says Chappellaz.

Future climate change is about two major contributions: emissions due to human activity and amplifications from natural sources in a warmer world. In other words, how much will human societies add in terms of greenhouse gas emissions and at what pace; and how much amplification in a warmer world would appear from natural feedback.

"Our work in Greenland explores possible natural feedback mechanisms, giving us urgent insight into fundamental science questions about the future of our climate in a context where there are still many uncertainties and unknown processes," says Chappellaz.

Jakob Boyd Pernov et al, Pan-Arctic methanesulfonic acid aerosol: source regions, atmospheric drivers, and future projections, npj Climate and Atmospheric Science (2024). DOI: 10.1038/s41612-024-00712-3

Journal information: npj Climate and Atmospheric Science

Provided by Ecole Polytechnique Federale de Lausanne

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IMAGES

  1. Yacht 3D laser scanning and Modelling for fast and accurate retrofit

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  2. RC Laser model yacht

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  3. Sea Port kit: H004W HO 53' Tug/Pilot/Yacht

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  4. Laser RC Radio Control Model Yacht first launch

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  5. obj laser sailboat

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  6. RC Laser Winter Series at Fleetwood Model Yacht Club

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    The RC Laser is the choice Model Yacht. It is the RC Yacht that is robust, fast, agile and responsive. Here are 13 reasons why it is the best model yacht.

  7. Tuning Tips for the RC Laser

    Tuning Tips for the RC Laser. The design and engineering of the RC Laser leaves the skipper with a relatively small range of performance adjustments. Because there are so few, they are fairly critical. What follows are basic guidelines that the skipper must fine tune to the wind and sea conditions. The two major adjustments involve the sail.

  8. Radio Control Laser Sailboat

    D Sail 525 sq. in. Displacement 9 lbs. RC Laser® Complete Ready to Sail Radio Controlled Sail Boat. Price: $450.00. Sale price: $350.00. RC Laser 4 rig Carry Bag. Price: $125.00.

  9. RC Laser class

    The RC Laser is the official remote controlled version of the world famous Laser dinghy. The boat is delivered ready to sail - complete with radio control gear. The hull measures approximately one metre overall length and when rigged with the larger of the three sails, the boat stands over 7 feet tall from the bottom of the ballasted dagger ...

  10. Class Sail International Laser Boat Model (LAS)-Team One Newport

    This model is great for free sailing in the swimming pool or pond or as a trophy gift. Features: Paint is not included. 13 inches long. Be the first to review this item. Unit Price: $59.95. In Stock.

  11. A Unique Model Yacht

    The RC Laser is a unique model yacht. Designed with super tough hull and sails, along with superior engineering to keep the electronics dry.

  12. SKU: 30992 Laser Model Kit

    The Laser sailboat model kit is the perfect gift or trophy for Laser sailors. This kit includes step by step instructions, pre-cut dacron sail (which can be customized with the included sail numbers), running rigging, mounting base, wall brackets, and a poster.

  13. Homepage

    The Laser is a challenging boat that rewards athleticism, subtle steering and trimming techniques. The Laser is raced by young and old alike from the Club level all the way to the Olympics. The Laser comes standard as a race version. One of sailing's best-known brands, it is unmatched in making it popular for all ages and abilities.

  14. Star Class 45″ Laser-cut Frame Set

    Star Class 45″ Laser-cut Frame Set - Kit number MW230! Modeller's Workshop is proud to be producing laser-cut frames for the Star 45 R/C sailboat. We are now supplying the most recent revision of the design perfected by John Fisher, one of the best-known Star sailors, and consistent winner of Star 45 events.

  15. Laser (dinghy)

    Laser (dinghy) The Laser is a class of single-handed, one-design sailing dinghies using a common hull design with three interchangeable rigs of different sail areas, appropriate to a given combination of wind strength and crew weight. Ian Bruce and Bruce Kirby designed the Laser in 1970 with an emphasis on simplicity and performance.

  16. Where To Buy Your Laser

    Listed below are a number of UK & worldwide suppliers who work hard to supply you with parts and accessories for your RC Laser, there are a couple of model shops and a couple of dedicated RC Laser specialists in there. All should be able to help with your enquiry.

  17. Modeller's Workshop MW220 Dragon Class 48″ Laser-cut Frames!

    This items includees the laser-cut parts to build the hull structure of the Dragon sailboat at 48″. The frame set is so designed with two keel depths so a modeller can build this for R/C sailing or as a display model. A laser-engraved deck, with properly spaced and curved deck-planking is included. This is drawn on 1/16″ plywood that can be ...

  18. Laser sailboats for sale by owner.

    Laser preowned sailboats for sale by owner. Laser used sailboats for sale by owner.

  19. LASER 28

    Farr design #91. Those involved in original project: Ian Bruce- Performance Sailcraft Bruce Farr Tim Coventry Norman Frost - Plastics engineer Peter Hicks Piers Fipps - Financial advisor Hans Fogh - Sails

  20. Amazon.com: 1500W Max Laser welding machine 2 in 1 design Handheld

    Buy 1500W Max Laser welding machine 2 in 1 design Handheld laser welder machine Fiber laser welder machine for Metal Laser welder with Auto Wire Feeder Welding Gun for Welding&Weld Seam Cleaning: ... Item model number ‎BLW-1500 : Style ‎1500W : Power Source ‎ac : Voltage ‎220 Volts : Wattage ‎1500 watts : Additional Information. ASIN ...

  21. Different Types of Laser

    your luxury charter. choose the yacht. full displacement; semi displacement; fast; celebrity; sail; explorers; exclusivity; types of charters; how to book your luxury ...

  22. Moscow Wildcats High School Custom Laser Etched Floor Mats

    Buy Moscow Wildcats High School Custom Laser Etched Floor Mats - Tan: Floor Mats - Amazon.com FREE DELIVERY possible on eligible purchases

  23. AZIMUT YACHTS

    Azimut Yachts Russia is an exclusive distributor of Azimut Yachts in the territory of Russia. We are a team of professionals with over 20 years of experience in yachting. We take 360 care of our clients including transactional tasks, new build management, crewing, afrtersales and many others. Please keep me updated on everything about this yacht.

  24. From clouds to fjords, the Arctic bears witness to climate change

    Climate change is particularly intense in the Arctic. To assess its consequences and determine what role this region plays in global warming, two teams of scientists from EPFL have visited the area.