Gene Heskett wrote:
On Saturday 13 June 2009, Douglas Pollard wrote:
At 75 years old
Darn, I've been dethroned as the resident old codger, I won't be 75 till
October 2009.
Congrats Doug.
I am just now learning cad and cad cam. I have
a lathe, a home made
On Thursday 25 June 2009, Douglas Pollard wrote:
Gene Heskett wrote:
My kids, and occasionally my grandkids, call me for advice, and its
embarrassing to admit I know very little about their x-box's. But it make
me feel good that they think I should know all about them.
When I don't know I
On Saturday 13 June 2009, Douglas Pollard wrote:
At 75 years old
Darn, I've been dethroned as the resident old codger, I won't be 75 till
October 2009.
Congrats Doug.
I am just now learning cad and cad cam. I have
a lathe, a home made mill and I am converting it to cnc. So
On Fri, 12 Jun 2009 19:33:07 -0400, you wrote:
When I hired a kid in the shop he served a four year apprentice ship
when he finished he was a second class machinist. After six years five
or six years he was first class and was expected to take on an
apprentice that he hired. In nine or
Rainer Schmidt wrote:
Nobody was allowed to do any unsupervised work for the first 2-3 years,
then after that they still had to have all their work checked and signed
off until they qualified.
What happened in the meantime? After a few rather catastrophic
experiences I (computer geek
I have argued this with many German machinists and they always
come back that metric is scientific measurement because it
is a part
of the circumference of the world. That may matter to a
map maker but
I don't
That's very unscientific definition of metric system and
makes
Jack wrote
A thumb width is about an inch and about 2.54cm.
You sure its about 2.54mm and not 2.55mm? My thumb is maybe
wider than yours this illustrates one of the
sillinesses of our use of the metric system - 1 inch is a
good approximation but 2.54mm is not an approximation, its a
2009/6/12 Ian Wright watchm...@fastmail.fm:
this illustrates one of the
sillinesses of our use of the metric system - 1 inch is a
good approximation but 2.54mm is not an approximation, its a
direct conversion from an inch and accurate to 4 thou.
FWIW an inch is _exactly_ 25.4mm as it was
yea, my head hurts too. ... still better than measuring mass in slugs.
But that sounds a lot of fun.
I was eating at McDonalds and gained three slugs! haha
My Favorite unit
The rate of change of acceleration?
The JERK!
Cal
On Fri, Jun 12, 2009 at 5:14 PM, cmg...@sover.net wrote:
yea, my head hurts too. ... still better than measuring mass in slugs.
But that sounds a lot of fun.
I was eating at McDonalds and gained three slugs! haha
My Favorite unit
The rate of change of acceleration?
The JERK!
Cal
Rainer Schmidt wrote:
On Fri, Jun 12, 2009 at 5:26 PM, Andy Pugha...@andypugh.fsnet.co.uk wrote:
2009/6/12 cmg...@sover.net:
My Favorite unit
In Germany we also use Angstrom per Millennium as Bureaucratic Unit. I
observe similar speeds in the US. There seems to be some
On Thu, 2009-06-11 at 11:42 -0400, Douglas Pollard wrote:
... snip
I am a imperial guy who is annoyed with the metric system. I have worked
in metric a lot but still don't know what a meter looks like except that
it close to a yard. To me a MM is .039 approx and a little bigger than
On Thu, Jun 11, 2009 at 12:24 PM, Kirk
Wallacekwall...@wallacecompany.com wrote:
On Thu, 2009-06-11 at 11:42 -0400, Douglas Pollard wrote:
... snip
I am a imperial guy who is annoyed with the metric system. I have worked
in metric a lot but still don't know what a meter looks like except that
So once you know what milli, denti, deci and kilo means... you
Sorry... there is no 'denti' lol how'd that happen???
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I am 100% metric and I hate it when I have to work with imperial
parts. If I have a choice I will never take the imperial parts.
Especially if it is not only about dimensions but also some heat,
power or whatever awkward unit they come up with. It is asking for
trouble with all these
Dirk wrote:
I am 100% metric and I hate it when I have to work with imperial
parts. If I have a choice I will never take the imperial parts.
Especially if it is not only about dimensions but also some heat,
power or whatever awkward unit they come up with. It is asking for
trouble
IMHO, lots of the reason for not changing is personal convenience.
People think they know what a 400HP engine in a car is like,
or what 312cu in V8 is. Most don't, but they think they do.
If it was really important to change, folks would. If it is just
to keep some politician happy, ... lets
Douglas Pollard wrote:
I can look at a cutter and tell you pretty close how many surface
ft per minute it is running. How many mm is that a minute and if I
knew , would I really know what that is? Thank God we don't have metric
time I guess it would have to be based on how many
yea, my head hurts too. ... still better than measuring mass in slugs.
But that sounds a lot of fun.
I was eating at McDonalds and gained three slugs! haha
I only like the SI system because there is less to convert.
Otherwise I care less if the base is 1 or 2.54.
There is a fine furniture
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