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Topic Review (Newest First)
12-06-2003 11:56 AM
SDHflyfisher you missed the first part of my post they still teach it in grade school all they taught to do with it though was to find the circumference of a circle

they use it more in high school though
12-06-2003 10:23 AM
BobK about backsliding education...

Now they teach that in High School? It's part of Geometry? Not in grade school anymore? Yeah, I guess school isn't what it used to be.

Boy, I guess I'm showing my age!:hehe:

12-06-2003 09:16 AM
SDHflyfisher they still teach pi in grade school
and depending how smart you are in math they also teach geometry to sophmores in high school and smart freshman
12-06-2003 03:03 AM
tonyd Thanks Bob.

That's what I thought John meant but the "*" after "pi" kind of made me second guess.

I wanted to make sure it wasn't "pi squared" or something
12-05-2003 08:21 AM
John Desjardins Thanks Bob, Geometry is still taught , but I think its at the high school level. Teaching the use of the slide rule is whats gone the way of the dodo bird. I sure don't remember how to use it.
12-05-2003 07:35 AM
Just in case....

In case John doesn't check his post, the mathematical value of the Greek letter "pi" is 3.1416

(Don't they teach this in 3rd grade anymore???)

12-05-2003 04:30 AM
Originally posted by John Desjardins

To get the diameter divide the length by (pi * # of turns).

Hi John,could you explain what " pi* " is?

You kind of lost me on this.LOL.

To get the diameter divide the length by ?

12-04-2003 09:33 PM
John Desjardins As a quick guess ~ 0.020 - 0.050" smaller than the butt od in the rod specs should get you in the ballpark.

You could wrap a thread around the rod a couple of times and then mark the thread at one location. Unwrap the thread, and measure the length. To get the diameter divide the length by (pi * # of turns).

If you need better accuracy spring for a micrometer or calipers.
12-04-2003 08:57 PM
Any happen to know

What the winding check size on a RPLXI 790 is? I cannot find my tape measure....


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