Monthly Archives: March 2013

Launching material off the moon for use in space is a problem in itself. Many methods are feasible technically. Far less are economically sound. Sending the propellant from Earth for instance is something that should only be done for the … Continue reading →

There is much discussion on the best habitat to deliver to the Moon. Dragons, inflatables, and modified propellant tanks as well as methods for renovating lava tubes are really just a start on the discussion. There have been a number … Continue reading →

Just a quick thought for fun. Suppose some execs got together and had a solid commercial business case for heavy launch ASAP. ATK supplies well tested Shuttle four segment SRBs to mate with current Falcon 9 equipment. Two SRBs are … Continue reading →

Jason Rian at the blog Americaspace just ran a series on Newspace trolls and the damage they do to the industry. There were four posts total with Newspace hatred starting and newspace troll tactics for the next three. His theme … Continue reading →

The recent impactor discussions brought up about  the comet that may hit Mars brought to mind some vaguely remembered ideas about terraforming Mars. Volatile rich bodies are directed at Mars to give it an atmosphere of the resulting gasses. If … Continue reading →

Robert Steinke of Speed Up suggested using a self pressurizing propellant to drive a pump for a less pressurized propellant. In this case nitrous at about 800 psi is vaporized to pump a fuel up to some pressure in between … Continue reading →

  If a dinokoller asteroid was spotted on collision course for Earth with impact in the next ten years, it would be a race to divert it. I happen to disagree with many of my friends here that everyone would … Continue reading →

In the gravity tractor post, there seemed to be some misconception that there is One True Way to accomplish a given goal. I think this is a mistake. We need as many different options as we can get if this … Continue reading →