SABRE (rocket engine) (English Wikipedia)

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"Reaction Engines begins construction of UK rocket engine test facility – Reaction Engines". ReactionEngines.co.uk. 4 May 2017. Archived from the original on 22 December 2017. Retrieved 19 December 2017.
"Reaction Engines Awarded DARPA Contract to Perform High-Temperature Testing of the SABRE Precooler – Reaction Engines". ReactionEngines.co.uk. 25 September 2017. Archived from the original on 28 September 2017. Retrieved 19 December 2017.
"REACTION ENGINES TEST PROGRAMME FULLY VALIDATES PRECOOLER AT HYPERSONIC HEAT CONDITIONS". Reaction Engines. Archived from the original on 3 December 2019. Retrieved 18 February 2020.

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theregister.co.uk

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translate.google.com

Marks, Paul (October 2012). "Die Erben der Concorde" (in German). New Scientist. Archived from the original on 24 November 2012. Retrieved 10 December 2012. In English

universetoday.com

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web.archive.org

"Reaction Engines Limited Engine Names" (PDF). Reaction Engines Limited. Archived from the original (PDF) on 5 March 2012.
"The Sensitivity of Precooled Air-Breathing Engine Performance to Heat Exchanger Design Parameters" (PDF). Reaction Engines Limited. 29 March 2007. p. 189. Archived from the original (PDF) on 23 June 2013. Retrieved 9 August 2010.
"Skylon Users' Manual" (PDF). Reaction Engines Limited. 18 January 2010. pp. 4, 3. Archived from the original (PDF) on 18 April 2016. Retrieved 2 August 2010.
"SABRE – Synergetic Air Breathing Rocket Engine". Reaction Engines Limited. Archived from the original on 19 December 2018. Retrieved 18 December 2018.
"A Comparison of Propulsions Concepts for SSTO Reusable launchers" (PDF). Reaction Engines Limited. pp. 114, 115. Archived from the original (PDF) on 15 June 2011. Retrieved 2 August 2010.
"Liquid Hydrogen as a Propulsion Fuel, 1945–1959". NASA History Division. Archived from the original on 16 April 2015. Retrieved 1 July 2009.
Marks, Paul (October 2012). "Die Erben der Concorde" (in German). New Scientist. Archived from the original on 24 November 2012. Retrieved 10 December 2012. In English
"SABRE: how it works". Reaction Engines Limited. Archived from the original on 26 July 2013. Retrieved 29 November 2012.
"Reaction Engines Ltd – Frequently Asked Questions". Reactionengines.co.uk. Archived from the original on 2 June 2015. Retrieved 1 July 2013.
"Travelling at the edge of space: Reaction Engines and Skylon in the next 20 years". University of Strathclyde. Archived from the original on 10 March 2012. Retrieved 9 August 2010.
Reaction Engines Limited (28 November 2012). "The biggest breakthrough in propulsion since the jet engine" (PDF). Reaction Engines Limited. Archived from the original (PDF) on 7 December 2012. Retrieved 28 November 2012.
Svitak, Amy (29 November 2012). "ESA Validates SABRE Engine Technology". Aviation Week. Archived from the original on 19 October 2013. Retrieved 8 December 2012.
"UK pledges fresh support for revolutionary space engine" Archived 3 July 2013 at the Wayback Machine SEN. 27 June 2013. Retrieved 16 July 2013.
"BAE Systems and Reaction Engines to develop a ground breaking new aerospace engine". 2 November 2015. Archived from the original on 18 October 2014.
"ARFL confirms feasibility of Reaction Engines’ SABRE engine concept Archived 19 April 2015 at the Wayback Machine"
"Reaction Engines begins construction of UK rocket engine test facility – Reaction Engines". ReactionEngines.co.uk. 4 May 2017. Archived from the original on 22 December 2017. Retrieved 19 December 2017.
"Nammo take on new building at Westcott". westcottspacecluster.org.uk. 19 April 2022. Archived from the original on 19 April 2022. Retrieved 24 April 2022.
"Reaction Engines Awarded DARPA Contract to Perform High-Temperature Testing of the SABRE Precooler – Reaction Engines". ReactionEngines.co.uk. 25 September 2017. Archived from the original on 28 September 2017. Retrieved 19 December 2017.
"REACTION ENGINES TEST PROGRAMME FULLY VALIDATES PRECOOLER AT HYPERSONIC HEAT CONDITIONS". Reaction Engines. Archived from the original on 3 December 2019. Retrieved 18 February 2020.

westcottspacecluster.org.uk

"Nammo take on new building at Westcott". westcottspacecluster.org.uk. 19 April 2022. Archived from the original on 19 April 2022. Retrieved 24 April 2022.