Lunar Sling Launchers

With the renewed interest in lunar settlement and using the Moon as a source of raw materials, we are finally getting to the point where we need a way to launch bulk mass off the Moon. The most popular concept to do this is a mass driver, basically a magnetic catapult, as described in The High Frontier by Gerard K. O&#x27;Neill. But there is a less well known concept that is much more realistic in…