Scientific Workgroup for Rocketry and Spaceflight

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The Scientific Workgroup for Rocketry and Spaceflight (WARR) (German: Wissenschaftliche Arbeitsgemeinschaft für Raketentechnik und Raumfahrt) is a scientific workgroup situated at Technical University of Munich, composed mainly of its students. It was founded by students in 1962 with the goal to compensate for the lack of a chair for space technology at the university at the time.[1] Since the establishment of such a chair in 1966, the group has conducted practical projects, starting with the first successful development and of a hybrid rocket in Germany. One rocket of this type was launched in 1972, another is on permanent display at Deutsches Museum. WARR has attained some public attention by for its projects in space elevator competitions,[2][3] small satellites[4] interstellar spaceflight concepts,[5] and for winning all SpaceX Hyperloop pod competitions.[6][7][8]

Currently, WARR works in the fields of hybrid propulsion, satellite technology, robotics, and transportation technologies.

History

1962 Founding of WARR by Robert Schmucker [de][citation needed]
1966–1974 Research on engines for hybrid rockets[citation needed]
1974 First flight of Barbarella (first German hybrid rocket, displayed in German Museum)[citation needed]
since 1975 Research on engines for liquid-propellant rockets
2000 Construction of a hybrid demonstrator engine[citation needed]
2002 Occupation of the new space in Garching and establishing a dynamometer
2004 Presentation of projects at ILA in Berlin, Germany
since 2005 Scientific payload T-Rex on the Swedish sounding rocket Rexus in cooperation with the chair for space travel and the EADS Astrium GmbH.
Work on the following projects: space elevator, cubesat (mini satellite) and Micro-Hybrid (miniature hybrid engine)[citation needed]
2006 First WARR Winter Launch (WWL, model rocket contest) and presentation of the project at the ILA in Berlin, Germany[citation needed]
2009 Founding of WARR Interstellar Flight Team [9]
2011 Organization and participation in the first European Space Elevator Challenge (EUSPEC) on the grounds of TU Munich[10]
2012 Contribution to IdeenPark in Essen, Germany [11]
2012 Participation in SpaceUp conference in Stuttgart, Germany[12]
2012 Founding of a project group for satellite technology, and the initiation of work on Cubesat MOVE-II financed by German Aerospace Center[13]
2013 Founding of the project group STERN, aiming to break the student record for rocket altitude in Europe[14]
2013 Founding of the project group "WARR Space Manufacturing" for research on 3D printing in microgravity[15]
2013 Launch of the student satellite First-MOVE into a polar orbit[16]
2013 The project group ‘’Interstellar Space Flight’’ wins the international Project Icarus Design Competition for unmanned interstellar space probes with fusion engines[citation needed]
2015 Launch of the experimental rocket WARR-Ex2 from CLBI in Brazil[17]
2015 The project group ’’Interstellar Space Flight’’ wins the international Dragonfly Design Competition for unmanned interstellar space probes with laser sail engines[18]
2015 Founding of WARR Hyperloop and the development of a prototype for a Hyperloop capsule for the SpaceX Hyperloop pod competition[19]
2017 Winner of the Hyperloop pod competition I with a top speed of 93 km/h
2017 Winner of the Hyperloop pod competition II with a top speed of 323.5 km/h[6]
2018 Winner of the Hyperloop pod competition III with a top speed of 457 km/h[7]
2019 Winner of the Hyperloop pod competition IV with a top speed of 463.5 km/h[8]

Project groups of WARR

Rocketry

Existing since the foundation of WARR in 1962, the department for rocketry is the oldest project group of WARR. With the launch of the first German hybrid rocket in 1974, WARR achieved its first major success, which was promptly followed by the construction of multiple test engines. In 2009 the development of its next rocket began, called WARR-Ex2, powered by the in-house developed hybrid engine HYPER-1 with solid HTPB fuel and nitrous oxide as oxidizer. The rocket was successfully launched on 20 May 2015 from the missile base CLBI on the Atlantic coast of Brazil and reached a maximal altitude of approximately 5 km.[17] Even before the launch of WARR-Ex2, WARR had begun working on its successor, WARR-Ex3, as part of project STERN[20] (STudentische Experimental-RaketeN) (German abbreviation for "student experimental rocketry"), organized and financed by the German Aerospace Center. As the given objectives of STERN were already reached within WARR-Ex2, it was decided to build a larger rocket, the WARR-Ex 3. It uses liquid oxygen instead of nitrous oxide, while maintaining the use of HTPB.[14]It launched in July 2023 from FAR in California and reached an apogee of 12.4 Kilometres.

The Newest project, Project Nixus, features a Biliquid, regeneratively cooled, 3D Printed engine that provides 3.5Kn of thrust. It uses Ethanol and Liquid Oxygen, building on the experience with cryogenics that the EX-3 provided. It will see its first flight on the EX-4 Rocket at the European Rocketry Challenge. The rocket features many new technologies such as CFRP loadbearing skins, modular connectors, custom avionics and an SLM printed IN718 Valkyrie engine. The engine has been Hotfired 22 times as of July 2023

Satellite Technology

Rendering of the bus of MOVE-II

Since the cubesat First-MOVE was primarily developed by doctoral candidates from the institute of astronautics at the TUM, the involvement of students was intensified during the development of its successor MOVE-II. To make use of WARR's existing infrastructure, a new project group was founded, where the members could work on all subsystems. In 2012, development of a mission profile was started. After approval by the German Aerospace Center in 2015, launch of the satellite is expected in 2017.[13]

MOVE-II is a 10x10x10 cm big satellite (1U-Cubesat). It consists of a bus on the one side, which is responsible for power supply, communication and attitude control. Its Mission is to educate Students and Test some prototype Solar Cells.[citation needed] MOVE-IIb is an almost exact copy of MOVE-II launched in 2019.[citation needed]

Space-Elevator

WARR Space-Elevator is developing climber robots since its founding in 2005, and also organizes corresponding competitions. The first climber was developed for the JSETEC2009 competition and reached the targeted 150 m in the shortest time.[21] In 2011 the European Space Elevator Challenge (EUSPEC) was established, which also focused on energy efficiency.[22] Following that year the competition was repeated with increased cable length of 50 m.[23]

Interstellar Flight

Rendering of the Dragonfly-Probe: This concept won the Project Dragonfly Design Competition

The WARR Interstellar Flight Team (ISF) is working on concepts for interstellar travel.[24] The goals of WARR ISF are:

  • Research on manned and unmanned interstellar travel
  • Utilization of methods from engineering sciences, especially interdisciplinary system engineering
  • Publication of results on international conferences and journals
  • Presentation of research findings to the public

In May 2013 the "Ghost Team" of WARR ISF participated in Project Icarus.[25] The name "Ghost" derives from the sudden appearance of the team in the competition and resulting in confusion of the other participants. WARR presented its concept at the British Interplanetary Society in October 2013 and was awarded for the best design among 4 international teams.[25]

In October 2014 begun development of a laser propelled interstellar probe for the Project Dragonfly Design Competition, held by the Initiative for Interstellar Studies (I4IS). The WARR team could prevail in this competition against international competitors, too.[25]

Hyperloop

In August 2015 the project group Hyperloop was founded to participate in the Hyperloop Pod Competition sponsored by SpaceX. In January 2016, WARR's was one of 30 international teams selected (from a pool of over 700 initially participating[26]) to build a functional prototype for the final phase of the competition in summer of 2016.[19]

As of June 2016, the prototype developed by WARR was intended to feature an electrodynamic suspension system to levitate and an axial compressor to minimize aerodynamic drag from the residual air inside the tube.[27][need quotation to verify]

The WARR pod was the fastest in the January 2017 competition which was run on the SpaceX Hyperloop test track—or Hypertube—a mile-long, partial-vacuum, 1.83-meter (72.0 in)-diameter steel tube purpose-built in Hawthorne, California for the competition. In December 2018, WARR Hyperloop was rebranded to TUM Hyperloop. Since this time it is managed by a separate organisation, called NEXT. [28][29]

See also

External links

References

  1. ^ Sudhof, Samuel; Lungu, Paul (17 July 2013). "Hybrid Engine Development, Education and Outreach at Munich's Scientific Workgroup for Rocketry and Space Flight (WARR)". Joint Propulsion Conference Proceedings. 49. doi:10.2514/6.2013-4137. ISBN 978-1-62410-222-6. Retrieved 27 January 2014.
  2. ^ European Space Agency. "Die Europaeische Space Elevator Challenge geht in die zweite Runde". ESA. Retrieved 27 January 2014.
  3. ^ Japan Space Elevator Association. "Results from Asia's first ever Space Elevator Competition" (PDF). Archived from the original (PDF) on 2 December 2013. Retrieved 27 January 2014.
  4. ^ Wilkens, Andreas. "Zwei bayerische Uni-Satelliten im Weltall". Heise Verlag. Retrieved 27 January 2014.
  5. ^ Swinney, Robert. "Project Icarus Workshop Winner Announced". Icarus Interstellar. Retrieved 27 January 2014.
  6. ^ a b Boyle, Alan (27 August 2017). "Germany's WARR team wins SpaceX's Hyperloop II race with 201-mph pod run". GeekWire. US. Archived from the original on 25 September 2017. Retrieved 26 September 2017.
  7. ^ a b "WARR Hyperloop pod hits 284 mph to win SpaceX competition". The Verge. 18 July 2018. Archived from the original on 29 July 2018. Retrieved 30 July 2018.
  8. ^ a b "Team TUM wins SpaceX Hyperloop Pod Competition with record 288 mph top speed". TechCrunch. 22 July 2019. Retrieved 28 July 2019.
  9. ^ "WARR Interstellar Space Flight". WARR. Archived from the original on 2 December 2013. Retrieved 27 November 2013.
  10. ^ "Projekte 2011". Klaus Höchstetter Stiftung. Retrieved 27 November 2013.
  11. ^ Pascal Hesse (14 August 2012). "Mit dem Aufzug ins Weltall beim Ideenpark in der Messe Essen". Der Westen. Retrieved 27 November 2013.
  12. ^ AerospaceResearch.net (29 January 2013). "spaceup stuttgart 2012 20min talk michael deiml warr and their current projects". AerospaceResearch.net. Archived from the original on 4 December 2013. Retrieved 8 January 2014.
  13. ^ a b WARR (29 January 2013). "WARR Satellitentechnik". WARR. Archived from the original on 4 December 2013. Retrieved 20 September 2015.
  14. ^ a b "Raketentechnik - Projekt Cryosphere". WARR. 4 June 2013. Archived from the original on 2 December 2013. Retrieved 20 September 2015.
  15. ^ "Raketentechnik - Projekt Cryosphere". WARR. Archived from the original on 2 December 2013. Retrieved 27 November 2013.
  16. ^ "Zwei bayerische Uni-Satelliten im Weltall". Heise. 21 November 2013. Retrieved 27 November 2013.
  17. ^ a b "Facebook-Page on the Launch of WARR-Ex 2". WARR. 4 June 2015. Retrieved 20 September 2015.
  18. ^ "Small Interstellar Probes, Riding Laser Beams – The Project Dragonfly Design Competition Workshop". Centauri Dreams. 17 July 2015. Retrieved 20 September 2015.
  19. ^ a b "Elon Musk lässt das Rohrpost-Reisen testen". Zeit Online. 18 February 2016. Retrieved 14 March 2016.
  20. ^ "STERN: Das Raketen-Programm für Studenten". DLR. Retrieved 20 September 2015.
  21. ^ "Results from Asia's first ever Space Elevator Competition" (PDF). Japan Space Elevator Association. 13 August 2009. Archived from the original (PDF; 184 kB) on 2 December 2013. Retrieved 27 November 2013.
  22. ^ "EuroSpaceward announces EuSEC - the first European Space Elevator Challenge!". The Space Elevator Blog. 21 October 2010. Retrieved 27 November 2013.
  23. ^ "Die Europäische Space Elevator Challenge geht in die zweite Runde". ESA. 14 September 2012. Retrieved 27 November 2013.
  24. ^ "Interstellar Space Flight - Project Icarus". WARR. Archived from the original on 2 December 2013. Retrieved 27 November 2013.
  25. ^ a b c "Das Team WARR Ghost". WARR. Archived from the original on 3 December 2013. Retrieved 27 November 2013.
  26. ^ "Tweet". SpaceX. Retrieved 14 March 2016.
  27. ^ "Zukunft des Reisens? Wie Münchner Studenten den Hyperloop bauen". The Huffington Post. 3 February 2016. Retrieved 14 March 2016.
  28. ^ "Elon Musk hails Hyperloop teams – and touts the tunnel he'll be boring at SpaceX". 30 January 2017.
  29. ^ "Here are the big winners of Elon Musk's Hyperloop pod competition". Business Insider.
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