I have to say I really love the structural approach taken here to the design of the ship - it's fascinating stuff. There's just one thing I'm not clear about - on pages 5-7 of this thread there was some debate about how to make the dorsal strong enough to withstand all the torsional stress without the two hulls just sheering off from each other! The solution CLB came up with was to embed the dorsal deep within the secondary hull - no problem. However, the saucer connection has no such luxury, seeming instead to rely on a kind of "tongue and groove" affair along the separation line. CLB - you're the man with the enginnering expertise here - is this really strong enough to overcome the obstaces you mentioned earlier? And if so, why can't a similar scheme be used at the other end of the dorsal? All responses welcome for this newbie!