Adjective
SSTO (not comparable)
(astronautics) Initialism of single-stage-to-orbit.
A detailed study into SSTO vehicles was prepared by Chrysler Corporation 's Space Division in 1970–1971 under NASA contract NAS8-26341. Source: Internet
Airbreathing SSTO Some designs for SSTO attempt to use airbreathing jet engines that collect oxidizer and reaction mass from the atmosphere to reduce the take-off weight of the vehicle. Source: Internet
Designed as a single-stage-to-orbit (SSTO) reusable winged launch vehicle, it was to be fitted with a unique air-breathing engine, the RB545 or Swallow, to be developed by the Rolls-Royce company. Source: Internet
Another early SSTO design was a reusable launch vehicle named NEXUS which was designed by Krafft Arnold Ehricke in the early 1960s. Source: Internet
However, the nonrecurring costs associated with design, development, research and engineering (DDR&E) of reusable SSTO systems are much higher than expendable systems due to the substantial technical challenges of SSTO. Source: Internet
It is one of only a few prototype SSTO vehicles ever built. Source: Internet