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From: "A.Appleyard" <A.APPLEYARD@fs*.mt*.um*.ac*.uk*>
To: techdiver@terra.net
Date: Wed, 6 Sep 1995 09:20:57 BST
Subject: Re: Double compartment tank.

  GILGSN <GILGSN@ao*.co*> wrote:-
> What about a tank with a shape that would not be a cylinder but the kind of
> shape that you would obtain by wrapping a set of doubles with a blancket (
> strange, I know...). This would allow to use the volume of the gap between
> the two cylinders. Would that be strong enough regarding pressure ? Maybe
> way too expensive ?

  It wouldn't work. Every part of a pressure or vacuum vessel or tube must be
curved, either cylindrical or spherical, for it to hold pressure. It would
take too long to explain the maths here.

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