I uploaded 2 videos of my 727 sim. First one is of my real 727 VSI gauge working using a Simkits USB gauge controller, a micro servoconnected via brass tubes using Mike Powell's methods.
http://www.geocities.com/raflyer/727vsi.avi (save target as)
This second one is of my real N1 and N2 engine gauges working using SIOC, OC servo card, and micro servo's attached via brass tubes.
http://www.geocities.com/raflyer/enggauge.avi (save target as)