Quote:
Originally Posted by cosmicfish
We don't have any real engineering comparison on the fusion plants other than that they can be used as a more-or-less 1-to-1 replacement for the conventional power systems. Morrow vehicles don't seem to outperform their conventional predecessors, I am not sure why you would assume that you could do that with these vehicles. Remember that your "little bit of heavy hydrogen" has to last a very long time and comes with a lot of shielding.
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If the Project uses hot fusion there will be need for a lot of thermal shielding, but if they are using cold fusion not so much. If you are worried about the heavy water then almost no shielding is needed. Tritium is a very weak Beta emitter. In fact exit signs have used Tritium for years. The weak Beta could be stopped by nothing more than a 3/4 inch thickness of plexiglass.