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[quote]QUOTE: Originally posted by jchnhtfd Worse, you can walk the track just before the train and, unless you get down and wiggle each spike, not see the problem. [/quote] Do we not have an electronic device that can read the solidity of a tie or is it necessary to actually drive a spike into one to determine the quality of the center? I'm not an electronics engineer but I think something like this should be quite simple to design.
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