All the running gear is in for the turbines port and starboard. Here's a test startup, sound and motion.
Here's what it looks like on the inside. The tink tink you hear is the tied ends of the temporary rope belts hitting the shroud on the lamp. Took me a few minutes to work out what it was. There were lots of creaks and squeaks initially, but I went over the lot with a can of WD40 and now it runs totally silent until I put the sound on the speakers.
Finally, here's a bit of a look at what's coming in the Viper build.