tag:blogger.com,1999:blog-3596550435682943926.post8449042918432267647..comments2024-03-21T17:50:42.377-07:00Comments on Hop's Blog: Hop Davidhttp://www.blogger.com/profile/12923433894475072056noreply@blogger.comBlogger3125tag:blogger.com,1999:blog-3596550435682943926.post-61436407023924878022015-03-15T14:26:42.079-07:002015-03-15T14:26:42.079-07:00Wikipedia says that the US Navy has tested railgun...Wikipedia says that the US Navy has tested railguns that fire stuff at velocities of 2.5m/s (Mach 7), and that Mach 10 railguns are believed to be within reach of current technology. Would be pretty cool if technology originally intended for destruction became useful in opening up space by helping us launch lunar resources to EM1 or LEOLionel Whttps://www.blogger.com/profile/01930963095389078741noreply@blogger.comtag:blogger.com,1999:blog-3596550435682943926.post-84656828488801351722014-04-28T14:07:24.523-07:002014-04-28T14:07:24.523-07:00Hi,
Very interesting but how would you calculate P...Hi,<br />Very interesting but how would you calculate Propellant Mass from LEO/ to the Moon orbit and landing ?Tretoshttp://forum.tretos.net/noreply@blogger.comtag:blogger.com,1999:blog-3596550435682943926.post-4071489416577844282014-01-31T15:23:54.383-08:002014-01-31T15:23:54.383-08:00When you calculate the MF for round trips, are you...When you calculate the MF for round trips, are you assuming a constant payload mass? If all you are doing is delivering payload one way, you can save on MF since the return leg will be (much) lighter.omi-kunhttp://omi-kun.deviantart.comnoreply@blogger.com