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Old 02-13-2018, 08:20 AM   #26
Railcarmover
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Join Date: Apr 2017
Location: Sacramento
Posts: 1,262
Default Re: Why no lock-washers?

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another clear example of tensions effect on threads is a soda bottle..isnt the cap tight when the soda is gassy? the pressure of the soda gas puts the cap threads in tension. Thats one place on a Model A where modern techniques actually help,fastener locking. Given Ford used time management techniques to speed production IMO they would have used locking nuts and chemical locking agents instead of cotter pins and lock wire had it been available at the time.
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