24 Sep
2010
24 Sep
'10
2:38 p.m.
The new generation didn't have Erector sets as
kids (the snap-together
plastic stuff without a plug-in motor don't count)
Kids these days :-)
I mentioned some months hack that I got my first electic shock before I
was 2 years old. By finding a screwdriver and unscrewing a wall socket to
see how it was wired. So I guess I learnt early ;-)
Any significant amount of play or work with screw fasteners will
eventually make it clear. Lack of adequate experience means that one will
have to be TOLD such basics. Presumably the same with clockwise v
counter-clockwise threads, in an almost counter-productive form. The
experienced person will be assuming clockwise, whereas the totally
inexperienced are more likely to try both directions. Will the loss of
analog clocks have a significant effect on learning CW V CCW?
The really experienced will assume a right hand thread but will check too
see if there's any good reason for the theread to be left-handed,
particularly if it would undo when turning it anticlockwise.
There are some LH threads in calssic computers. In particular the spindle
bolt in some 5.25" disk drives (like the ones used in the IBM PC/AT) re
left handnd.
I've seen left-handed taps and dies on sale. And of course it's easy to
cut a left-hand thread on a lathe. But I have never seen LH nuts an bolts
listed by any company in the UK. But I've not seriously looked for them.
-tony