Editing Aerospike engine (section)

=== ARCA Space ===
In March 2017 [[ARCA Space Corporation]] announced their intention to build a [[single-stage-to-orbit]] (SSTO) rocket, named [[Haas (rocket)#Haas 2CA|Haas 2CA]], using a linear aerospike engine. The rocket is designed to send up to 100&nbsp;kg into low-Earth orbit, at a price of US$1&nbsp;million per launch.<ref name="ARCA">{{cite web|title=ARCA News|url=http://www.arcaspace.com/en/news.htm|website=ARCA Space|access-date=30 May 2018|archive-date=23 November 2022|archive-url=https://web.archive.org/web/20221123200938/https://www.arcaspace.com/en/news.htm|url-status=dead}}</ref> They later announced that their Executor Aerospike engine would produce {{convert|50500|lbf|kN}} of thrust at sea level and {{convert|73800|lbf|kN}} of thrust in a vacuum.<ref>{{cite web |title=Haas 2CA Specs |url=http://www.arcaspace.com/en/Haas_2CA/specs.htm |website=ARCA Space |access-date=30 May 2018 |archive-date=30 May 2018 |archive-url=https://web.archive.org/web/20180530002103/http://www.arcaspace.com/en/Haas_2CA/specs.htm |url-status=dead }}</ref>

In June 2017, ARCA announced that they would fly their Demonstrator3 rocket to space, also using a linear aerospike engine. This rocket was designed to test several components of their Haas 2CA at lower cost. They announced a flight for August 2017.<ref name="ARCA"/>  In September 2017, ARCA announced that, after being delayed, their linear aerospike engine was ready to perform ground tests and flight tests on a Demonstrator3 rocket.<ref name="ARCA"/>

On December 20, 2019, ARCA tested the LAS 25DA aerospike steam rocket engine for the Launch Assist System.<ref>{{cite web |title=Flight of the Aerospike: Episode 34 - LAS 25DA Aerospike Engine |url=https://www.youtube.com/watch?v=WnrTrsRskp8  |archive-url=https://ghostarchive.org/varchive/youtube/20211211/WnrTrsRskp8| archive-date=2021-12-11 |url-status=live|website=Youtube | date=30 December 2019 |publisher=ARCA Space |access-date=August 5, 2020}}{{cbignore}}</ref>