J
JonClarke
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I am trying to compare the masses of a simple pressure hatch with that of a hatch with docking unit. Any information would be OK, but I would prefer Soyuz data, if possible.<br /><br />Jon <div class="Discussion_UserSignature"> <p><em>Whether we become a multi-planet species with unlimited horizons, or are forever confined to Earth will be decided in the twenty-first century amid the vast plains, rugged canyons and lofty mountains of Mars</em> Arthur Clarke</p> </div>