Block lifting in action... slowly...

So here we go folks, actual evidence that stuff I design sometimes sort of works.  Im using a SM-S3317S full rotation servo to drive the set up.  I have yet to puzzle out how it "works" with the Arduino servo library, that is to say I can figure out how to get it going, but not how to stop the damn thing.  I'm sure a little more research will reveal the answer.  At the end of the day that's not the servo solution I'll be using, so doesn't matter too much.  As +Jason Hoff pointed out I need to use a power screw with a more course thread to increase the blocks speed, thankfully I already have some different screws for this use.  Anyway here's the video: