Update: My job has interrupted the test building for the last week. (Don't you hate it when that happens!) Plus I'm hoping to receive the David Weeks technical drawings soon, which will do wonders for fitting some of the bits together. I've also received another excellent reference book in the mail, with plenty of good drawings and photos I've never found before on the Internet: NASA SP-400: Skylab, Our First Space Station, by Leland F. Belew. http://www.amazon.com/NASA-SP-400-S...=sr_1_6?ie=UTF8&s=books&qid=1238128704&sr=1-6 Highly recommended for those of you who are interested in the inner workings of the Skylab program.