Abstract Design issues for lunar ascent/descent rocket engines fueled by aluminumloxygen
propellant produced in situ at the lunar surface were evaluated. Key issues are discussed …

Aluminum combined with oxygen has been proposed as a potential lunar in situ propellant
for ascent/descent and return missions for future lunar exploration. Engine concepts …

The LOX/methane propellant combination is being considered for the Lunar Surface Access
Module ascent main engine propulsion system. The proposed switch from the hypergolic …

One of the most critical maneuvers in the complex Apollo lunar mission was the lift-off from
the lunar surface and injection into lunar orbit. This was the one phase of the mission where …

Using i unar materia 1 s for prope II ant to Support a manned 1 unar base resu 1 ts in cost
Savings by reducing supply missions from earth to the moon. ihis Study ident. ified …

Recently, NASA has pushed for returning humans to the moon sustainably with in situ
resource utilization as the central focus. The moon has an abundance of water that is …

The Propulsion and Cryogenics Advanced Development (PCAD) Project in the Exploration
Technology Development Program is developing technologies as risk mitigation for Orion …

The propulsion system for the ascent stage of a lunar lander will be required to meet some
unusual requirements, including extreme thermal environments and difficult safety …

Tests were conducted with the RS-18 rocket engine using liquid oxygen (LO2) and liquid
methane (LCH4) propellants under simulated altitude conditions at NASA Johnson Space …

This article discusses production, power, and propulsion technologies for using oxygen and
metals derived from lunar resources. The production process is described, and several of …