TY - BOOK AU - Ashford,David TI - Spaceflight revolution SN - 1860943209 AV - TL790 .A83 2002 U1 - 629.41 22 PY - 2002/// CY - London, River Edge, NJ PB - Imperial College Press, Distributed by World Scientific KW - Space flight KW - Print books KW - local N1 - Includes bibliographical references (p. 175-176) and index; Pt. 1. Past, present, predicted future. Spaceplane history -- Recent developments -- Way ahead -- pt. 2. Spaceplane potential. Spaceplane low-cost potential -- Orbital infrastructure -- The spaceplane spage age -- pt. 3. Timescale. Technical feasibility -- Safety -- Maturity -- Market -- Development cost -- Design logic -- Breaking the mould -- Benefits -- Conclusions -- Appendix 1. Comparison between Sänger and Boeing 747 -- Appendix 2. Propellant mass fraction estimates ER -