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In the OTU In the Official Traveller Universe. Any milieux that's been published in any edition. Not for discussion of rules except in reference to how they reflect the OTU

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Old June 28th, 2020, 05:26 PM
Condottiere Condottiere is offline
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No moving parts, would be ideal.

Though it should be noted, when mentioning heat, quite a number of the bigger submersibles have been blessed with mini fission reactors.
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Old June 28th, 2020, 08:23 PM
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Originally Posted by Condottiere View Post
No moving parts, would be ideal.

Though it should be noted, when mentioning heat, quite a number of the bigger submersibles have been blessed with mini fission reactors.
The nuclear subs get rid of the excess heat by dumping it into the surrounding water, which makes for a terrific heat sink.
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Old June 29th, 2020, 11:40 PM
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Quote:
Originally Posted by mike wightman View Post
...The reason there is no stealth in space ...
No long-term stealth. There are solutions that might work very briefly, but pretty quickly the problem raises its ugly head anew. You could for example equip your ship so that it could flood capillaries through the hull with some sort of chemical that undergoes ferocious endothermic reactions, or with that H2 fuel, or use refrigerants on one side of the hull while glowing like a star on the other side. It really doesn't do much good for your ship to be only half-stealthed or to suddenly go dark and then start glowing again a short while later so, for all practical purposes, no stealth unless you're a half-stealthed ship approaching some hapless merchantman with cheap budget sensors in a region of space that is fortunately entirely devoid of other things that could be looking in your direction from other angles.

As to subs - I don't know of rules for that, so it might be easiest to apply MT's stealth design rules and just say they also apply to vibrations in a fluid medium. Say there's something called vibration masking and it's roughly the same cost and volume as EM masking. Those rules after all do include passive and active audio sensors in the miscellaneous sensors, so having something to counter those would be useful.
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Comments made are for the purpose of offering alternative campaign settings for consideration. The writer acknowledges that Traveller is intended to emulate certain common science fiction tropes and that, in the course of emulating those tropes and providing a better playing experience, some liberties must be taken with science. No statement by the writer should be interpreted as constituting a criticism of the game on that basis ... except for that bit about Virus. Dude, really?!
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