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Published on January 28th, 2018 | by Nicolas Zart


The “Extra Aircraft 330LE” Two-Seat Electric Airplane — Another Electric Airplane Moving The Clean Air Race Forward

January 28th, 2018 by

Nicolas Zart 

Add another electric airplane to the mix — not a new one that has just joined the acrobatic electric air race, but one you might have missed nonetheless. This one is called the Extra Aircraft 330LE. It may not end up a commercial airplane, but there are other reasons it’s important.

Extra 330 LE>

Another Two-Seat Electric Airplane Takes Off

With all the hot news of expanding electric vehicle (EV) charging networks, we’d be remiss not to mention that last year’s electric aircraft explosion is still going. Of course, it’s not rapid growth of market share at this stage, but is more where electric cars were a decade or two ago. The tech has also been evolving for years, but mostly in quiet behind the scenes that Tesla and BYD play on. An electric version of the Extra 300L aircraft out of Germany is what caught our eye most recently.

Extra 330 LE>Walter Extra, founder of the Extra Aircraft company, converted this two-seat electric aircraft to fly quieter, cleaner, and more enjoyably. The Extra 330LE was matted to a Siemens electric motor that gets the aircraft up to 3,000 meters in just 4 minutes and 22 seconds, with a climbing rate of 11.5 m/s. The electric airplane (e-plane) was officially recognized by the Fédération Aéronautique Internationale (FAI) and already won the climb performance world record in November 2016. It also holds some electric aircraft speed records from mid-2016.

Its top speed is 337.50km/h (209 mph) over 3 kilometers (1.86 miles). Its dimensions are 7.5 meters (24.6 ft) in length, a height of 2.6 meters (8.6 ft), and a wingspan of 8 meters (26.3 ft) for a total wing area of 10.84m² (116.7ft²).

And this little Extra 330LE packs a lot of performance. It was the first electric aircraft to tow an LS8-neo-type glider at a height of 600m in 76 seconds in March 2017. It uses a direct-drive 580V Siemens-electric SP260D motor that puts out 260 kW (348 hp) that spins at 2,500 RPM. It has a continuous torque of 1,000 Nm (737.56 lb-ft.). The electric motor only weighs 50 kg (110 lb) with airscrew bearings, which makes it a very low power-to-weight ratio of 5 kilowatts per kilogram (1 kilo = 2.20 lb). It was developed by Siemens with the cooperation of Germany’s Aeronautics Research Program (LuFo), MT-Propeller, and Pipistrel. Told you the electric aviation world is a small knit family affair!

Extra 330 LE>

The Extra 330LE uses two battery packs made up of 14 lithium battery cells for a total capacity of 18.6 kWh. Its overall weight is approximately 1,000 kg, while its the average climb rate is 2,300 ft a minute.

E-planes are perfect for aerobatics since they don’t fly a long time. The Extra 330LE can be flown for 20-minute flights, which includes takeoff, climbing, and 5 minutes of blissful full-throttle flight.

More Electric Airplanes Coming Soon

The company website doesn’t list the Extra 330LE Aircraft for sale, but we hope to hear more about it soon. You can follow Extra Aircraft on Facebook and YouTube.

We’re excited to see the future of air mobility is becoming electric. With 100 passenger local trips on e-planes potentially coming up soon, both Airbus and Boeing are investing heavily into the future of air travel. Knowing Siemens has an eye or five on this space as well and has been exploring the tech for years provides extra confidence.

Extra 330 LE>Extra 330 LE>


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Tags: Aeronautics Research Program, electric aircraft, electric airplanes, Extra 330LE, FAI, Fédération Aéronautique Internationale, LuFo, MT-Propeller, Pipistrel, siemens, Siemens-electric SP260D, Walter Extra

About the Author


Nicolas Zart Nicolas was born and raised in the world of classic cars of the 1920s. It wasn't until he drove an AC Propulsion eBox and finally a Tesla Roadster that the light went on. Eager to spread the news of that full torque, he started writing in 2007 for various CleanTech outlets. Since then, his passion led to cover renewable energy, test drives, podcasts, shoot pictures, and film for various international outlets both in print and online. Nicolas offers an in-depth look at the e-mobility world through interviews and the many contacts he has forged in those industries. Today he focuses most of his writing effort on CleanTechnica, a global online outlet that covers the world of electric vehicles and renewable energy. His favorite tagline is: "There are more solutions than obstacles."

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