2021/04/19 by Mikhail Shubov, Shubov, Mikhail
Engineering · #FOS: Physical sciences #Instrumentation and Methods for Astrophysics (astro-ph.IM) #Physics and Society (physics.soc-ph) #Rocket and propulsion systems research #Spacecraft Design and Technology #Spacecraft and Cryogenic Technologies
paper · pdf · doi:10.48550/arxiv.2107.13513
openalex publication_date 2021/04/19 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
A novel concept of orbital launch system in which all stages are reusable is presented. The first two stages called Midpoint Delivery System (MPDS) deliver the next stages to a midpoint. A midpoint is defined by an altitude of 100 km to 120 km and horizontal velocity of 2.8 km/s to 3.2 km/s. MPDS stages decelerate in the atmosphere and perform vertical landing on barges. These stages can be reused daily for many years. The payload is delivered from the midpoint to a 400 km Low Earth Orbit by one or two stage rocket called Midpoint to Orbit Delivery System (MPTO). All of MPTO engines are delivered to LEO. These engines do not return to Earth themselves. They are returned to Earth in packs of 50 to 100 by a Reentry Vehicle. Overall, the fully and multiply reusable launch system should deliver payload to LEO for $300 to $400 per kg