Kistler K-1
Reusable launch vehicle
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The Kistler K-1 was a two-stage, fully reusable launch vehicle design created by Kistler Aerospace. It was to accommodate a wide range of missions, including payload delivery to low Earth orbit, payload ... Wikipedia
Designers: Rocketplane Kistler and Kistler Aerospace
Maximum thrust: 1,769 kN (398,000 lbf) vacuum