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  #11  
Old May 23rd, 2020, 03:57 AM
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Originally Posted by shaunhilburn View Post
The thing is, EVERY ship is going to want it, and it's quite literally a game-changer. It breaks so many aspects of Traveller.
I agree which is why I want to throw it around and see what comes out of the discussion.

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Refueling is a major point and antimatter is practically unlimited fuel, so no more refuelling. No need for a High Guard during gas giant refueling or SDBs to defend the refueling points. A type A trader can go anywhere with multiple Jump-1 and no fuel constraints. No more "mains". Crossing the Great Rift - no problem. The Zhos and Vargs can strike anywhere.
Depends on how much antimatter you have onboard and how much jump fuel and how much reaction mass. I still believe in the maneuver drive requiring reaction mass as per CT and TNE.
The point you raise is a good one.


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I've followed his YouTube channel for a few years now. I saw this video as well.
I'd love to see a sci fi setting or game built from some of his assumptions.
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Old May 23rd, 2020, 04:11 AM
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I dunno. M-AM reaction is just going to produce gamma rays. Gammas aren't much good for useful energy production.


I haven't given his antimatter podcast a listen.
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Old May 23rd, 2020, 12:46 PM
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While appreciating the value of a really dense power source like anti-matter, I'm not real thrilled with the idea of my ship blowing up if the power plant fails. I rather like the fact that the fusion plant will just shut down if it breaks. You'd have to have a really mature antimatter technology before I'd expect to see it used anyplace but government and research.
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Old May 23rd, 2020, 01:12 PM
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Originally Posted by mike wightman View Post
Because you need a way to store the energy the solar power station is collecting - think of the antimatter as a manufactured fuel, an energy store.
Consumption efficiency is always lower than production efficiency, so the stored energy will be less than the energy used to create it. In the case of antimatter, a whole lot less. No civilization will be powered with a manufactured energy store. Ships and installations, perhaps. Vehicles. Niche applications.

Think of antimatter like gasoline, another manufactured energy store. The refinery uses a lot of grid electricity to distill it from crude. Running a gasoline generator (electricity > gasoline > electricity) is wasteful, but there are a lot of scenarios there is no alternative. But no one would use a gasoline generator if grid electricity were readily available.

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Originally Posted by mike wightman View Post
Such as the need for a concentrated source of terrawatts of energy in a starship?
Starships, yes. In the present day, it has some medical and research applications in tiny quantities. Broader applications for antimatter don't appear in Traveller canon until TL 17 or so.

I made a spreadsheet to expand the canon TL tables. I didn't see much use for antimatter beyond weapons and propulsion:

TL 17
Contraterrene particle beam weapon
Rapid pulse antimatter X, Y, and Z guns
Antimatter satchel charge or mining explosive
"Photon" torpedo - basically a 300 G space combat missile with a variable yield antimatter warhead
Shipboard AM powerplant (per unit mass 5E+14 times more yield than p-p fusion)
Brown dwarf stellification seed

TL 19
Micro-missiles with low-yield antiproton warheads - these are like propelled grenades
Improved photon torpedo (shielded with conformal sectional black armor)

TL 20
Positron beam rifle, beta decay rifle
Antimatter battery 5,000 MWh/kg

At TL 22, black holes and manufactured black holes begin to supercede antimatter. Again, weapons and propulsion. Hawking paperplants. Black hole decay warheads.
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Old May 23rd, 2020, 01:30 PM
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Originally Posted by shaunhilburn View Post
Shipboard AM powerplant (per unit mass 5E+14 times more yield than p-p fusion)
I have no idea how I arrived at that figure. It's actually much less; only like 140,000 more yield.
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Old May 23rd, 2020, 01:31 PM
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Originally Posted by Carlobrand View Post
While appreciating the value of a really dense power source like anti-matter, I'm not real thrilled with the idea of my ship blowing up if the power plant fails. I rather like the fact that the fusion plant will just shut down if it breaks.
Yes, powerplant hits would be a bitch.
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Old May 23rd, 2020, 06:43 PM
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Antimatter missile warheads.
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