[modeleng] Re: Technical education
- From: "Jesse Livingston" <fernj1@xxxxxxxxxxxxx>
- To: <modeleng@xxxxxxxxxxxxx>
- Date: Sat, 5 Aug 2006 19:41:40 -0500
"" John,
I knew I had it somewhere, but will come onto that.
If the thicker nut is screwed down onto the thin nut "to within a few
degrees of its limit", I doubt that the lower nut COULD be undone. However,
that depends on how one defines "tightened in normal way" and all the other
terms used.""
Gents,
I was looking at a book I have on machinery in the 1890s, I found a cut that
showed a square nut tightened against a lockwasher. Interestingly, the nut
was what we would consider "upside down" in that the crown side was against
the lockwasher! Why, I don't know so don't ask me, but there were two
different pictures and both showed the same arrangement. The "write up",
paid ad actually, was for a company that made bolts and other fasteners so
I don't think it was in error. Anyway, I will continue to put my nuts on
lockwashers with the crown side upward.
Jesse in Tennessee
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