On 06Jul2020 0646, Jeff Zeitlin wrote: > I believe that it is canon that the Jump Drive does not operate of the > ship's power plant; it contains its own power plant (the BHHR in my > thread-starting handwave) for sucking up the jump fuel and initiating jump. High Guard requires a power plant to power up the jump drive. Book 2, from 1981, requires a power plant of a size equal to the jump drive (but doesn't say why). The X-boat breaks the rules from this point. MegaTraveller removes the power plant requirement, and TNE/FF&S continues this. 'Tis a mess. -- Rupert Boleyn <xxxxxx@gmail.com>