Re: Crossover from GZGPedia List

In a message dated 99-02-17 19:14:46 EST, you write:

<< >"John M. Atkinson" wrote:
 >> Yeah.  But that covers how to get the rounds up.  We need them to
come
 >> down again to hit something--a 200mm mass driver would achieve
escape
 >> velocity!
 
 
 Nyrath wrote
 > More.
 >
 > Orbital velocity is 5 mile per second.
 > Escape velocity is 7 miles per second.
 
 
 Not for me it's not.  About 1/6th gee even on the capitol, much less
 elsewhere.
 
 > Some existing prototype railguns
 > can do 12 miles per second.
 > Yikes! >>
Just don't put so much power into the coils that will keep the speed
down, or
if you want to fire one of the coils out of phase with the others, after
the
projectile has gone past it, that will slow the projectile down.
-Stephen