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Teffy, With the o-ring tires, there is no slipage. Also, my Bowser uses the ring rail divided into two parts, so that no reversing unit is needed. Having spent 20 years flying R/C airplanes, I can tell you Fergie that a sail servo does not have the required accuracy to do what you want it to do. Servos are subject to the jitters which at the very least will cause problems. I don't know if they are capable of turning 180 degrees, which is absolutely necessary. The problem with turntables is they need to be as accurate as a Swiss watch! This goes for the mechanism as well as the ring rail, pit and turntable bridge. Alignment with the approach tracks and stall tracks must be precise, not only in left to right but in up and down. My bridge is higher on one side than the other. I have two stall tracks that are directly aligned with the two approach tracks. However, when the bridge is turned 180 degrees, the tracks don't exactly line up. There are many ways from Sunday these things need to be tweeked. It's all do able, you just need to be precise. Again, I wonder why some really knowledgable craftsman doesn't chime in here! Could it be that the true crafstmen of this hobby have already passed away?
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