A fun and low-cost electric underwater sea scooter: Testing the Outdoor Master Marlin
Wouldn’t it be great if you could experience the joys of life “under the sea” even without being as adept an underwater swimmer as Ariel or her mermaid compatriots? That’s exactly what the Outdoor Master Sea Scooter Marlin does for you.
Every summer recently I’ve been fortunate enough to get the chance to try out some new form of electric watersport gadget. Sometimes I’m flying through the air on an electric hydrofoil board. Sometimes I’m skimming the surface on an electric surfboard. And sometimes I’m being dragged along by a semisubmersible personal electric tugboat.
Somehow I managed to fit all three of those into this summer (aided by the fact that summer doesn’t really end in Florida until mid-November), turning it into the trifecta of water toys. And the final piece of the puzzle to make that happen was the Outdoor Master Sea Scooter, which is an electrically powered personal water vehicle design to tow your uncoordinated butt around the water with the elegance of a robotic dolphin.
Check it out in my video below where I explore the reefs and become one with the fishes, tricking them into thinking I’m one of their own on account of my new electronic enhancement. Then keep reading for all the wet and juicy details on this odd little undersea gadget.
Sea scooter video review
Scootin’ on (and under) the water
When I first walked into the water, electric salad spinner in hand, I expected to be able to get my butt dragged along the surface just like that electric boogie board I tested last summer.
But as it turns out, the Outdoor Master Sea Scooter Marlin is a bit like a freshmen poetry class – it works better the deeper you go.
The surface treatment was a bit underwhelming, as if your friend was holding your hand and just sort of tugging you along at a couple of miles an hour. But as soon as your point your double-barreled food processor downwards and take in a big gulp of air (not in that order), the magic of a sea scooter comes alive.
Under the surface, the devices feels much faster than its true 3.4 mph (5.4 km/h) top speed. As you spin and bend your body, it steers and pulls you along behind it. It’s like the nose of a dolphin and you’re the rest.
The anemic performance on the surface is somehow greatly magnified underwater once the propellors can stop sucking in a bubbly mixture and instead start throwing heavy water backwards.
There are two triggers to control the motors, one on each handle. You have to pull both at the same time to work the device, meaning you also have to keep both hands in place.
Once you pull in both triggers simultaneously like two NORAD officers each turning their launch keys, the motors spring to life and you get that instant “well this is what a fish must feel like” sensation.
You’re zipping through the water as if you were an elegant swimmer, except that it takes almost no exertion. You’re free to just enjoy the sea life and sandy bottom around you instead of huffing and puffing as you quickly burn through your lungful of oxygen.
There are three power levels that can be accessed by double tapping on the right trigger to increase power or the left trigger to decrease power.
While the instructions say that you’re supposed to keep both triggers held down to keep the motors spinning, I found that once you’re going for a few seconds, you can actually release one trigger and the motors will stay on.
If it’s the left trigger though, that action will be interpreted as a “downshift” and you’ll be zipping around in gear two instead of three.
If you release the right trigger and keep holding on with your left hand, you can stay in top gear while operating the Outdoor Master Sea Scooter one handed.
For power, there’s a cute little power drill-style battery that is removable. Theoretically you could have a few batteries to swap in as the power runs down, which I’d actually recommend.
The full power run time of the Sea Scooter isn’t impressive, at close to 12 minutes. I let my nephews play with it and didn’t explain how to change gears, meaning they got around 30 minutes of action in low gear.
It was still fun for them, but that’s because they didn’t know that more speed was an option. Once you know there are higher power levels, the lower power levels aren’t quite as fun.
But then again, if your goal is to check out pretty coral reefs and enjoy the sights down there, going fast might not be a priority. In that case, 30 minutes of run time in low power mode doesn’t seem so bad, especially when your main goal is to actually take in what is around you instead of blowing past it quickly.
In fact, it’d be fun to combine with one of those cheap mini-SCUBA kits with the little tank containing 10 minutes of air. You could scoot around a reef or other snorkeling area without even having to bob to the surface. Plus you wouldn’t get exhausted from holding your breath for as long as possible to avoid having to dive back down.
Another thing to keep in mind is that after 30 minutes, you’re going to be fairly spent. This isn’t a low-effort activity, even if it seems like it. You’re not exactly playing a passive role back there. It’s more than just getting dragged around the sandy bottom like a fish that never learned to swim.
You’re constantly steering with your body movements, and just holding on uses some decent hand and arm strength after a while. Plus if you’re like me, you’re holding your breath for as long as possible because you’re having so much fun that you don’t want to keep coming up for air.
After draining a full battery I was surprisingly tired, both from exertion and breath holding.
So after a 30-minute session, you’re going to be fairly exhausted anyways.
Many of these electric watersport gadgets are surprisingly expensive, often costing several thousand dollars. But for a current sale price of $299 for the Outdoor Master Sea Scooter Marlin, you get an experience that you really wouldn’t have any other way.
As just a toy, it’s slightly pricey but not nearly as much as some other electric sea scooters we’ve tried.
But if your goal is to go places you couldn’t normally go, stay down for longer to explore things that you normally couldn’t see for very long, or just for feeling like a dolphin for a day, then the Outdoor Master Sea Scooter will get you there. It feels well built, well balanced, and works well to boot.
And it was a great cap to my summer of electric watersports testing!
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The US Department of Energy (DOE) has released an encouraging new report revealing that 90% of wind turbine materials are already recyclable using existing infrastructure, but tackling the remaining 10% needs innovation.
That’s why the Biden administration’s Bipartisan Infrastructure Law has allocated over $20 million to develop technologies that address these challenges.
Why this matters
The wind energy industry is growing rapidly, but questions about what happens to turbines at the end of their life are critical. Recyclable wind turbines means not only less waste but also a more affordable and sustainable energy future.
According to Jeff Marootian, principal deputy assistant secretary for the Office of Energy Efficiency and Renewable Energy, “The US already has the ability to recycle most wind turbine materials, so achieving a fully sustainable domestic wind energy industry is well within reach.”
The report, titled, “Recycling Wind Energy Systems in the United States Part 1: Providing a Baseline for America’s Wind Energy Recycling Infrastructure for Wind Turbines and Systems,” identifies short-, medium-, and long-term research, development, and demonstration priorities along the life cycle of wind turbines. Developed by researchers at the National Renewable Energy Laboratory, with help from Oak Ridge and Sandia National Laboratories, the findings aim to guide future investments and technological innovations.
What’s easily recyclable and what’s not
The bulk of a wind turbine – towers, foundations, and steel-based drivetrain components – is relatively easy to recycle. However, components like blades, generators, and nacelle covers are tougher to process.
Blades, for instance, are often made from hard-to-recycle materials like thermoset resins, but switching to recyclable thermoplastics could be a game changer. Innovations like chemical dissolution and pyrolysis could make blade recycling more viable in the near future.
Critical materials like nickel, cobalt, and zinc used in generators and power electronics are particularly important to recover.
Key strategies for a circular economy
To make the wind energy sector fully sustainable, the DOE report emphasizes the adoption of measures such as:
- Better decommissioning practices – Improving how turbine materials are collected and sorted at the end of their life cycle.
- Strategic recycling sites – Locating recycling facilities closer to where turbines are decommissioned to reduce costs and emissions.
- Advanced material substitution – Using recyclable and affordable materials in manufacturing.
- Optimized material recovery – Developing methods to make recovered materials usable in second-life applications.
Looking ahead
The DOE’s research also underscores the importance of regional factors, such as the availability of skilled workers and transportation logistics, in building a cost-effective recycling infrastructure. As the US continues to expand its wind energy capacity, these findings provide a roadmap for minimizing waste and maximizing sustainability.
More information about the $20 million in funding available through the Wind Turbine Technology Recycling Funding Opportunity can be found here. Submission deadline is February 11.
Read more: The California grid ran on 100% renewables with no blackouts or cost rises for a record 98 days
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Mazda is finally stepping up with plans to build its first dedicated EV. The upcoming Mazda EV will be made in Japan and based on a new in-house platform. Here’s what we know about it so far.
The first dedicated Mazda EV is coming soon
Although Mazda isn’t the first brand that comes to mind when you think of electric vehicles, the Japanese automaker is finally taking a step in the right direction.
Mazda revealed on Monday that it plans to build a new module pack plant in Japan for cylindrical lithium-ion battery cells.
The new plant will use Panasonic Energy’s battery cells to produce modules and EV battery packs. Mazda plans to have up to 10 GWh of annual capacity at the facility. The battery packs will power Mazda’s first dedicated EV, which will also be built in Japan using a new electric vehicle platform.
Mazda said it’s “steadily preparing for electrification technologies” under its 2030 Management Plan. The strategy calls for a three-phase approach through 2030.
The first phase calls for using its existing technology. In the second stage, Mazda will introduce a new hybrid system and EV-dedicated vehicles in China.
The third and final phase calls for “the full-fledged launch” of EVs and battery production. By 2030, Mazda expects EVs to account for 25% to 40% of global sales.
Mazda launched the EZ-6, an electric sedan, in China last October. It starts at 139,800 yuan, or around $19,200, and is made by its Chinese joint venture, Changan Mazda.
Based on Changan’s hybrid platform, the electric sedan is offered in EV and extended-range (EREV) options. The all-electric model gets up to 600 km (372 miles) CLTC range with fast charging (30% to 80%) in 15 minutes.
At 4,921 mm long, 1,890 mm wide, and 1,485 mm tall with a wheelbase of 2,895 mm, Mazda’s EZ-6 is about the size of a Tesla Model 3 (4,720 mm long, 1,922 mm wide, and 1,441 mm tall with a 2,875 mm wheelbase).
Inside, the electric sedan features a modern setup with a 14.6″ infotainment, a 10.1″ driver display screen, and a 50″ AR head-up display. It also includes zero-gravity reclining seats and smart features like voice control.
The EZ-6 is already off to a hot sales start, with 2,445 models sold in November. According to Changan Mazda, the new EV was one of the top three mid-size new energy vehicle (NEV) sedans of joint ventures sold in China in its first month listed.
Will Mazda’s first dedicated EV look like the EZ-6? We will find out with Mazda aiming to launch the first EV models on its new in-house platform in 2027. Stay tuned for more.
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