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Nuclear Engines vs LV 909



I'm a little confused about how and when you use the Nerv engines,  .... i can see they've got a great ISP, but are heavy and provide little thrust. When calculating the DV (removing the oxidiser) for various small and slightly larger craft they never seem to be better than using the LV-909 ... am i missing something???

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A quick rule of thumb:

  • < 20t, use LV-909
  • > 20t, use Nukes

20t is approximately the mass of a ship where nuclear engines become better than LV-909 in terms of dV (lots of graphs have already been done on this but I don't want to go and search for them, so you'll have to believe me without any proof).

Edited by Gaarst
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