and look at the page nr 24 figure 1.10 to understand whow to use a turntable
with a propelling and steering mechanism. The file is 12.2 MByte in size. Its a
cancelled book. Its a great summary about robots, their sensors and actuators
and so on. You only need one page oft it, in the case of your purpose.
See some interresting syncro drive robot designs using the turntable idea:
