Dépêches

World's First Serial Hybrid Electric Aircraft to Fly at Le Bourget

Dépèche transmise le 20 juin 2011 par PRNewswire

LONDON, June 20, 2011 /PRNewswire/ --

- With photo

Siemens AG, Diamond Aircraft and EADS are set to present the world's first aircraft with a serial hybrid electric drive system at the Paris Air Show Le Bourget 2011. The two-seater motor glider successfully completed its maiden flight on June 8 at the Wiener Neustadt airfield in Vienna, Austria. The aircraft was built by the three partners to test the hybrid electric drive concept. In the future, the technology, which is intended for later use also in large-scale aircraft, will cut fuel consumption and emissions by 25 percent, compared to today's most efficient aircraft drives.

Air traffic accounts for some 2.2 percent of CO2 emissions worldwide. For this reason, aircraft, too, must become more efficient. One possible solution - which Siemens and its partners Diamond Aircraft and EADS are testing in the DA36 E-Star motor glider - is to electrify the drive system.

"A serial hybrid electric drive can be scaled for a wide range of uses, making it highly suitable for aircraft as well," said Dr. Frank Anton, the initiator of electric aircraft development at Siemens. "The first thing we want to do is test the technology in small aircraft. In the long term, however, the drive system will also be used in large-scale aircraft. We want to cut fuel consumption and emissions by 25 percent, compared to today's most efficient technologies. This will make air travel more sustainable."

The motor glider, which is based on Diamond Aircraft's HK36 Super Dimona, is the only aircraft of its kind in the world. It is the first to use a so-called serial hybrid electric drive, which has been utilised to date only in cars, as an integrated drive train. The plane's propeller is powered by a 70kW electric motor from Siemens.

Electricity is supplied by a small Wankel engine from Austro Engine with a generator that functions solely as a power source. A Siemens converter supplies the electric motor with power from the battery and the generator. Fuel consumption is very low since the combustion engine always runs with a constant low output of 30kW. A battery system from EADS provides the increased power required during takeoff and climb. The accumulator is recharged during the cruising phase. "The serial hybrid electric drive concept makes possible a quiet electric takeoff and a considerable reduction in fuel consumption and emission," said Christian Dries, the owner of Diamond Aircraft. "It also enables aircraft to cover the required long distances."

The DA36 E-Star will be exhibited at the Paris Air Show Le Bourget in a flight demonstration every day from June 20 to June 26, 2011.

Press pictures are available at http://www.siemens.com/presspictures/electricaircraft

Notes to editors:

Siemens AG(Berlin and Munich) is a global powerhouse in electronics and electrical engineering, operating in the industry, energy and healthcare sectors. For over 160 years, Siemens has stood for technological excellence, innovation, quality, reliability and internationality. The company is the world's largest provider of environmental technologies. More than one-third of its total revenue stems from green products and solutions. In fiscal 2010, which ended on September 30, 2010, revenue from continuing operations (excluding Osram and Siemens IT Solutions and Services) totaled EUR69 billion and net income from continuing operations EUR4.3 billion. At the end of September 2010, Siemens had around 336,000 employees worldwide on the basis of continuing operations. Further information is available on the Internet at: http://www.siemens.com.

About Siemens in the UK

Siemens was established in the United Kingdom 168 years ago and now employs around 16,000 people in the UK. Last year's revenues were GBP4.1 billion. As a leading global engineering and technology services company, Siemens provides innovative solutions to help tackle the world's major challenges, across the key sectors of energy, industry and healthcare. Siemens has offices and factories throughout the UK, with its headquarters in Frimley, Surrey. The company's global headquarters is in Munich, Germany. For more information, visit http://www.siemens.co.uk

A picture/s accompanying this release is available through the PA Photowire. It can be downloaded from http://www.pa-mediapoint.press.net or viewed at http://www.mediapoint.press.net or http://www.prnewswire.co.uk.

CONTACT: For more information, contact: Germany: Florian Martini,Telephone: +49-8- 636-33520, E-mail: , SiemensAG, Wittelsbacherplatz 2, 80333 Munich. UK: Laura Smith, PR Manager,Siemens plc, Tel. +44(0)1276-696374, Mobile : +44(0)7808-823598,

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