Re: Slow planes was: Battle blimps

Ryan M Gill <rmgill@mindspring.com> wrote:
>The more advanced Zeps had a special pressure valve that vented when
>the airship went above "pressure altitude". The American made
>Airships (The Akron and Macon) were fitted with condensors that
>recovered water vapor from the engines in order to replenish ballast
>and reduce the loss of ballast weight as fuel was consumed.

Not to mention, we're talking about a future setting with viable fusion 
power - not a lot of mass lost to fuel consumption there...

3B^2

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