What I'll say is that, if the consensus from the nomad lore, which was approved by Igiss, defines the Nomads as still more technologically advanced than the humans, then their equipment and ships should stay slightly more powerful than human ships.
If it makes sense in RP.
As for fair play and balance, there's where the factor of constantly being overpowered might be mentioned. Because with "normal" factions, there's an "oorp" balance kept so that the gaming experience and fun, which is one of the priorities of course, is kept at a certain level.
With nomad characters being on the short end of the stick when it comes to numbers, for the sake of that oorp balance, RP does not interfere a bit.
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<span style="color:#000000">All morons hate it when you call them a moron.