McDonnell Douglas X-33 SSTO Reusable Launch Vehicle

athpilot

athpilot

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"Single-Stage-To-Orbit (SSTO) Reusable Launch Vehicle (RLV). McDonnell Douglas submitted a vertical landing configuration design which used liquid oxygen/hydrogen engines. NASA considered design submissions from Rockwell, Lockheed Martin, and McDonnell Douglas. NASA selected Lockheed Martin’s X-33 design on 2 July 1996. The RLV technology program was a cooperative agreement between NASA and industry. The goal of the RLV technology program was to produce significant reductions in the cost of access to space, and to promote the creation and delivery of new space services and other activities that would have improve U.S. economic competitiveness."
View: https://www.youtube.com/embed/2LRtht3zrro?si=sdXkhQu3i-6R0Zgj
 
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there is study for this Delta Clipper-Y
Two stage with plug-in engines and external tanks
got some one more info on this proposal ?

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Source:
https://twitter.com/x/status/1975893941397667852
View: https://twitter.com/Truthful_ast/status/1975893941397667852
 
Wow, the X-33 was super ambitious, reusable SSTO in the ’90s! That video really shows how massive and cool the design was.
 
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Michel Van said:
there is study for this Delta Clipper-Y
Two stage with plug-in engines and external tanks
got some one more info on this proposal ?
Click to expand...

Did a couple searches but the only reference so far is that Twitter post

Randy
 

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