[Spaceships] Perpetual Motion?

[Flyndaran]

Originally Posted by weby

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The problems with power points is that the resulting number is silly high for chemical/solar planel compared to the later options and the difference in TL 6 to 12 is only *5 and between TL 7 and 12 is only *2.5.
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But most future techs aren't just about power density per ton of plant. There are many other factors making a technology desired.
Reliability, commonality/cost of fuel, radiation/toxic dangers, complexity, hassle of maintenance, etc.