[AR] Re: Fw: Hydrogen / oxygen news
- From: Derek Clarke <derek_c@xxxxxxxxx>
- To: "arocket@xxxxxxxxxxxxx" <arocket@xxxxxxxxxxxxx>
- Date: Fri, 1 Nov 2013 09:41:37 +0000
Obviously on-demand electrolysis is inappropriate, but there's nothing to
stop you using a smaller reactor to produce the fuel and oxidiser you need
over time. After all it's going to be burnt in a few minutes, so while the
GW rating may be high, it's not so many GWh.
On 31 October 2013 00:54, David Weinshenker <daze39@xxxxxxxxxxxxx> wrote:
> Henry Spencer wrote:
> > At the upper extreme, big
> > rocket engines typically are multi-gigawatt machines.
>
> Clark calculates the kinetic power of the Saturn V first stage
> exhaust as about 41 gigawatts... this is on the same scale as
> the outage of the Eastern Interconnection of the North American
> power grid in August 2003. (Approximately 60 GW of generation
> capacity was initially tripped off line - IIRC, roughly 40 GW
> was still out of service a day later.)
>
> -dave w
>
>
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