Re: Crossover from GZGPedia List

>"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!