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13-05-2019, 02:33 PM
bojan
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Join Date: Jul 2006
Location: Mt Waverley, VIC
Posts: 6,943
No need to tweak motor speed in Alan's original design, as the threaded rods is curved - so motor speed needs to be constant.
The only issue may be the quality of the thread (it's uniformity and smoothness).
bojan
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