Editing Armadillo Aerospace (section)

==Research and development principles==
[[File:Armadillo Aerospace Pixel Hover.jpg|thumb|right|Captive test flight of Armadillo Aerospace's Pixel rocket before the [[X PRIZE Cup|2006 X-Prize Cup]]]]
The company placed a strong emphasis on a rapid build and test cycle. Armadillo Aerospace designed and built more than 12 vehicles which used about 50 engine designs for over 100 rocket flights.<ref>{{cite web|url=https://www.space.com/3995-armadillo-aerospace-scaling-modularized-spaceships.html|title=Armadillo Aerospace: Scaling Up for Modularized Spaceships|website=[[Space.com]] |date=June 25, 2007 |access-date=September 28, 2016}}</ref> Each design had several features in common. One was the use of modern computer technologies and electronics to simplify rocket control and reduce development costs. Another was the use of liquid propellants and [[VTVL]] to facilitate short launch-to-launch times.{{Citation needed|date=September 2009}}