Showing papers in "Professional Pilot in 2011"
Journal Article•
TL;DR: In this paper, the authors discuss the need for new fuels and use turbojets, ramjets and scramjets to achieve inexpensive access to space and high-energy systems.
Abstract: High-energy systems will require new fuels and use turbojets, ramjets and scramjets to achieve inexpensive access to space.
2 citations