One possible alternative to popular worm gear DC motors are DC winch motors. Winch motors are generally universally available and affordable. Check out @Pit's advice regarding the Pros and Cons of using winch motors: http://www.xsimulator.net/community...raction-loss-finished.5276/page-12#post-79142
@Pit has also provided information and this video to show the noise level and responsiveness of winch motors, go to 1:10 in the video where the sound of the simulator is compared to spoken words: http://www.xsimulator.net/community/threads/how-loud-are-winches-video-inside.6934/
Winches can be noisy, here @xytras provides an example of a 2000lb 153:1 winch unloaded, which turns at 32RPM: http://www.xsimulator.net/community...ch-motors-and-steering-boxes.6937/#post-79556
@Ben V took a different route and tested using just the winch motor in conjunction with 25:1 steering boxes with 93 degrees total travel, with the measurered stall torque being 3.5 Nm and the free winch motor speed of 4420 rpm: http://www.xsimulator.net/community...ch-motors-and-steering-boxes.6937/#post-79343
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