Turned On—We Fly an Electric Xenos!

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One of the most common questions I received in the nearly seven years I was Editor in Chief here at Kitplanes was “why don’t you ever cover electric aircraft?” The answer we always gave was something like “well, when there is an aircraft that can be built by the average amateur builder that can carry more than one small person and accomplish a mission that is more than just once around the patch, we’ll write about it!”

Well folks, the time is here. Let’s have a look at the Electric Xenos—an electric powered motor glider than can carry two full sized adults and stay aloft for over an hour—more if you can find great lift! There have been quite a few electric powered ultralights that have flown, and credit goes to their designers and builders. But in the E-AB category, electric planes have occasionally been announced, flown a couple of times, and then gone silent. Problems with excess weight, insufficient batteries, or limited endurance have gotten them all.

We recently had a chance to fly the Electric Xenos with Gabe Devault, its designer and builder, at his home base in Hollister, California. DeVault is no newcomer to electric power—he was a founding member of the design team that produced the first Zero Motorcycles, and in fact, is powering the Xenos with the motor and batteries from a donor bike.

Not sure exactly what to expect as we settled into the cockpit with DeVault we were quickly blown away as he added power and left the runway just about as quickly as we would have if the airplane had been equipped with the standard AeroVee or Jabiru engine. It flew… like a motor glider! Climb was positive, speeds were more than adequate for the fun soaring mission – we simply had a ball and were impressed by the overall maturity of concept that has been a long time coming.

Obviously, we have a complete report in the works, so consider this but a teaser. We flew a fairly inefficient sport soaring profile, using motor assist whenever we wanted, for 25 minutes and used only 30% of the battery power stored at takeoff. We flew from the best L/D sped of about 60 mph up to the 90’s – and it flew just like the regular Xenos in which we have some time.  Yes—he electric Xenos is real!

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Paul Dye
Paul Dye, KITPLANES® Editor at Large, retired as a Lead Flight Director for NASA’s Human Space Flight program, with 40 years of aerospace experience on everything from Cubs to the Space Shuttle. An avid homebuilder, he began flying and working on airplanes as a teen, and has experience with a wide range of construction techniques and materials. He flies an RV-8 that he built, an RV-3 that he built with his pilot wife, as well as a Dream Tundra they completed. Currently, they are building a Xenos motorglider. A commercially licensed pilot, he has logged over 5000 hours in many different types of aircraft and is an A&P, EAA Tech Counselor and Flight Advisor, as well as a member of the Homebuilder’s Council. He consults and collaborates in aerospace operations and flight-testing projects across the country.

4 COMMENTS

  1. Dude! Thanks for sending me down this rabbit hole on my lunch break… :-). I really like sailplane flying, but getting someone to case me or landing out is not enjoyable. This could work. Please include, in your article, how this aircraft can/may integrate with hangars, taxiways, and an airport just under a Class B shelf. I’d like to know how’d it fit in that environment.

    Thanks

  2. I still hope to see an electric glider equiped with a variable pitch propeller in order to recharg batteries by circling in strong thermals with its propeller at low pitch acting as a wind turbines as proposed by the late genial Paul MacCredy.
    Why not a regenerative e-Xenos

    • You’ll be pleased to know that according to Gabe DeVault, the Zero power plant package iOS capable of using regeneration, and that capability is going to be explored with the electric Xenos!

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