On Mon, Nov 17, 2008 at 3:43 PM, Classified TS/BBR <[EMAIL PROTECTED]> wrote: > (At the bottom) > ----- Original Message ----- From: "Roger Burton West" <[EMAIL PROTECTED]> > To: <[email protected]> > Sent: Tuesday, November 18, 2008 9:04 AM > Subject: Re: [gurps] Stealthy shuttles > > >> On Mon, Nov 17, 2008 at 11:33:16AM -0800, Evyn MacDude wrote: >>> >>> Enter the atmosphere slowly.... >> >> Well, quite. I dare say a vehicle with sufficient lift would be able to >> take a very slowly decelerating path, probably going round the world >> several times, as it bled off speed in the upper atmosphere... but a >> thermal protection system that could cope with such an extended heating >> phase would be a significant challenge to design, and I fear is outside >> the scope of GURPS Vehicles anyway. >> > He said TL11, think Reactionless thrusters. With sufficient thrust it should > possible to de-orbit with little to no relative lateral motion, a minimum of > vertical, & no rocket plume.
Roger said "real world", which means whatever the tech level, there's no perpetual motion. -- David Scheidt [EMAIL PROTECTED] _______________________________________________ GurpsNet-L mailing list <[email protected]> http://mail.sjgames.com/mailman/listinfo/gurpsnet-l
