you could always re-register on a separate email. Plus most registration systems aren't smart enough to realize the gmail + trick.
Additionally you could always start your modeling, and once you get to a point where you are ready to test in game, make friends with someone who has the tools needed to get the ship in game. When I released my two ships I got help from a few scripting experts that live on the forums. Team work is always encouraged. :vb_thumbsup-1: