Aero: Siemens And FlyEco Show Off Hybrid

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Timed just ahead of Aero Friedrichshafen, Siemens claims the world's first serial production-capable hybrid aircraft completed its maiden flight in Hungary. Siemens, which has embarked upon intensive development in aircraft electric motors, teamed with FlyEco to produce a hybrid model driven by both batteries and a three-cylinder diesel engine.   

The aircraft is called the Magnus eFusion and derives primary thrust from a Siemens SP55D motor powered by batteries for quiet takeoffs and landings and the FlyEco diesel coupled to a generator for extended range. Siemens developed both the generator and the critical motor controller for the eFusion. Siemens’ Frank Anton said the airplane completed its first flight on April 11.

Recall that AVweb reported on the FlyEco diesel in 2016. The engine is adapted from the Mercedes-Bez Smart Car powerplant and is an advanced diesel design with common rail injection and electronic controls. No data on performance was available, but we’ll stand by for more information on this hybrid.

Comments (4)

Excellent idea. Twice as many ways for an inflight failure.

Posted by: William kalichman | April 23, 2018 1:09 PM    Report this comment

I want one! I want one with a big enough cabin for big men to fit and fly in. Electric motors are way more reliable, the diesel can burn Jet A and we get the best of both worlds. TORQUE, TORQUE and more TORQUE with awesome reliability.

Posted by: bruce postlethwait | April 23, 2018 7:26 PM    Report this comment

It can't be more reliable.

Even if the electric motor is perfect, which is also impossible, you are limited by the reliability of the piston engine.

PLUS you add multiple failure points. The electric motor, the wiring, the controllers for the electronics, the batteries, etc.

Therefore is can ONLY be LESS reliable.

Posted by: William kalichman | April 24, 2018 1:06 PM    Report this comment

I don't see Prius hybrids dropping like flies along the road. The ICE engine as a generator seems like a lower stress and simple installation, and hybrid auto reliability appears to prove this out. You also have some battery storage even in a hybrid so a generator(ICE) failure does not mean you are a glider, you just have to find a place to land soon.

Posted by: neil cormia | April 24, 2018 4:11 PM    Report this comment

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