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Walthers "New" Turntables - Discovery
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<p>I know, there have been a lot of discussions already on the new Walthers RTR turntables so I thought I would add one of my own. My observations are based on the 90' version but probably apply to both.</p><p>I had always thought (read) that the thickness of the lip of this turntable matched the thickness of the ties for Walthers/Shinohara track. I was therefore taken aback when I installed this turntable and then dropped a section of Walters (code 83) track on the rim (less ties of course) and found that the adjacent ties were up in the air.</p><p>Since this was such a departure to what I had been reading I pulled out my digital caliper and here is what I found:</p><p>Thickness of turntable lip plastic = 0.079<br />Thickness of overall lip due to some amount of warp or angle from pit edge = 0.084</p><p>Thickness of Walthers code 83 ties = 0.059 - 0.062</p><p>Thickness of Atlas code 83 ties = 0.084 - 0.086</p><p>Thickness of Peco code 83 ties = 0.078 - 0.080</p><p>All measurements are averages of measurements taken in a number of locations.</p><p>SO...</p><ol><li>Walthers ties are actually two one hundredths (0.020) too thin to mate with the turntable lip without some up-hill slope of the rails at the lip (or fill under the ties).<br /></li><li>Atlas track is really not that far off. Only slight sanding would be required.<br /></li><li>Peco track is "right-on."</li></ol><p>Of course I don't know when my turntable was manufactured. Tooling may have changed over time. It was recently purchased but may have been old stock. I see what appear to be serial or run numbers on the packing box but they are probably meaningless. </p><p>At any case, I thought I would pass this along...for what its worth. Of course your mileage may differ.</p><p>-John</p><p>p.s. I have not worried about installing the bridge yet or checking rail heights between bridge and service tracks. That will come. Hopefully code 83 rail is still code 83 rail.</p><p> </p><p> </p><p> </p>
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