Pipistrel Taurus Explained

The Pipistrel Taurus is a Slovenian self-launched two-seat microlight glider designed and built by Pipistrel.[1] [2]

The Taurus Electro was announced in 2007, and entered into service in 2011, becoming the first electric 2-seat aircraft in serial production available on the market.[3] [4]

Development

In June 2001, Pipistrel began the development of the Taurus as one of the first self-launched gliders in the microlight category. The design used the wings of the Pipistrel Sinus with a new two-seat side-by-side fuselage. To enable the Taurus to self-launch, a pop-out propeller is mounted on the rear fuselage driven by a Rotax 503 piston engine. In 2007 the company developed the Taurus Electro with the piston engine replaced by a permanent magnet synchronous three-phase brushless motor.

By 2011, Pipistrel had delivered 100 aircraft of the Taurus family.

Operational history

In 2010, the Taurus Electro was awarded the gold medal at the Slovenian Biennale of Design (Bienale industrijskega oblikovanja) BIO 22 "due to its supreme beauty and advanced technologies (...) in a design where form truly follows function in the most aesthetically pleasing way".[5]

In AERO Friedrichshafen 2011, the Taurus Electro received the Lindbergh Electric Aircraft Prize for "best electric aircraft". The prize recognized the Electro's “plug and play” electric power system, enhanced by solar panels on the aircraft trailer that allow the system to recharge using clean energy.[6]

In September 2011, the Taurus G4 won the CAFE Foundation's Green Flight Challenge, covering 403.5 passenger miles per gallon gasoline equivalent with two people on board, and receiving the $1.35 million prize donated by NASA.[7] [8] [9]

Variants

Taurus M (Taurus 503)
  • Original variant powered by a Rotax 503 pop-up internal combustion engine. Since the discontinuation of the Rotax 503, the model has been marketed as Taurus M, but still equipped with the remaining original engines.
    Taurus PureGlider
  • Unpowered variant without engine fitted. It flew for the first time in 2006.
    Taurus Electro
  • Variant with a Sinedon 400NaN0 electric motor replacing the piston engine; first flown in December 2007. Pipistrel claims it was the first two-seat electric aircraft to have ever flown.[10] Two units were produced.
    Taurus Electro G2
  • Updated version of the Electro for series production, introduced in 2011. Powered by a 400NaN0 electric motor and lithium batteries. Powered endurance is 17 minutes, intending to allow for self-launching[11] to an altitude of, after which the engine is retracted and the aircraft then soars as a sailplane. It is the first two-seat electric aircraft to have achieved series production.[12] [4] [13]
    Taurus G4
  • One-off twin fuselage, four seat version, based on the Taurus Electro and acting as an engine development test bed for their forthcoming Panthera four seat hybrid. It has a 1500NaN0 motor mounted on the central wing section between the fuselages.
    Taurus HY4
  • Within the EU-funded Hypstair program over three years till 2016 and followed by Mahepa project from 2017, EU-funded over four years, the dual-fuselage, four-seat, battery-powered G4 received a DLR hydrogen fuel cell powertrain to fly as the HY4 in September 2016, with hydrogen tanks and batteries in the fuselages, fuel cells and motor in the central nacelle. Partners are German motor and inverter developer Compact Dynamics, Ulm University, TU Delft, Politecnico di Milano and University of Maribor. In September 2023, the HY4, operated by DLR spinoff H2Fly, completed the world's first piloted flights of an electric plane powered by liquid hydrogen, with one flight lasting over three hours.[14]

    References

    Notes

    External links

    Notes and References

    1. Vandermeullen, Richard: 2012 Kit Aircraft Buyer's Guide, Kitplanes, Volume 28, Number 12, December 2011, page 65. Belvoir Publications. ISSN 0891-1851
    2. Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 136. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
    3. Web site: Pipistrel: The green sky . Plugin Magazine . 27 April 2020.
    4. Web site: Taurus Electro . 22 June 2020. Pipistrel. Pipistrel. pipistrel-aircraft.com. https://archive.today/20200622131129/https://www.pipistrel-aircraft.com/aircraft/electric-flight/taurus-electro/. 22 June 2020 . live .
    5. Web site: BIO 22 Awards . BIO . https://web.archive.org/web/20101023083516/http://www.bio.si/index.php?option=com_content&task=blogcategory&id=24&Itemid=120&lang=en . 23 October 2010.
    6. Web site: Lindbergh Prize Goes To Pipistrel . AvWeb.
    7. January 2012 . Those magnificent men in their green flying machines. Pilot. 28 .
    8. Web site: Electric Airplane Wins $1.35 Million Prize From NASA . Wired.
    9. Web site: Green Flight Challenge . NASA.
    10. Web site: First Taurus ELECTRO . Pipistrel Aircraft . https://web.archive.org/web/20081215053035/http://www.pipistrel.si/eng/news/725 . 15 December 2008 . 21 December 2007.
    11. News: Pipistrel Launches Electric Motorglider. 17 February 2011. Grady. Mary. February 2011. AvWeb.
    12. Web site: Taurus Electro - Overview . Pipistrel Aircraft . https://web.archive.org/web/20110902225034/http://www.pipistrel.si/plane/taurus-electro/overview . 2 September 2011.
    13. Web site: A journey through the history of electric aircraft – It is almost half a century since the first manned, electrically propelled flight . Arts.eu . 29 April 2020.
    14. Web site: H2FLY's HY4 Completes First-Ever Piloted Flight Of Liquid Hydrogen-Powered Electric Plane. 19 September 2023. www.msn.com.

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