Do you have Microsoft's excel? I've got a simple spread sheet that calculates
the sides. It's on the website.
http://ornamentalmills.com/tips/polygon_calc/Regular_Polygon_Side_Calculator.xls
Some day I should convert it to a web program that anyone can use.
-Tim
----- Original Message -----
From: James Edgell
To: legacy-ornamental-mills@googlegroups.com
Sent: Monday, April 23, 2012 5:44 PM
Subject: Re: could someone explain the formula
i will have to go to the office depot next time i go to montgomerry, way out
here in the woods we got no such thing, lol, but on the good side i do have
plenty of wood.
2012/4/23 Jeff Becker <jwb...@insightbb.com>
It has been awhile since I used that method to figure the size of the wood,
if I remember correctly using that method the diameter will be like drawing a
circle around each point, so the larger the width of the boards the more that
will be cut down when turning. Instead of wasting the material you can cut one
piece of scrap to the size you decide to use and then cut into the number of
pieces you plan to use and placing them in a circle. You can get a 30 dollar
program at Amazon, or office depot called Turbo cad you can draw it up on a
computer screen and figure it out without making any saw dust or using any
materials.
Jeff Becker
----------------------------------------------------------------------------
From: "James Edgell" <jdm...@gmail.com>
To: legacy-ornamental-mills@googlegroups.com
Sent: Monday, April 23, 2012 7:49:57 PM
Subject: Re: could someone explain the formula
thanks jeff, i thought i was using the formula correctly but the diameter
came out to 6 inches, hmmph, so i added 2 inches to my original 3 and 3/8 and
now it seems a little closer, still if i wanna do something i wanna be able to
figure it correctly with out doing small pieces for calculation first.
2012/4/23 Jeff Becker <jwb...@insightbb.com>
The circumference of a circle can be found by multiplying pi ( π = 3.14 )
by the diameter of the circle. So if you have a Diameter of 8 it would be 3.14
x 8 = 25.12. Now if you want this board to be turned round with the diameter
of 8 it will need to be slightly larger because you are knocking off the
corners. It looks like you had the right formula, you just didn't figure
knocking off the corners. I usually use turbo cad for this , and that is on a
different computer, if you need additional help I can work on it this evening.
Jeff Becker
--------------------------------------------------------------------------
From: "James Edgell" <jdm...@gmail.com>
To: Legacy-Ornamental-Mills@googlegroups.com
Sent: Monday, April 23, 2012 4:21:12 PM
Subject: could someone explain the formula
on 8 and 12 sided hollow columns, this is the first time i am gonna
attempt doing one of these for an idea i have and my numbers dident come out
right, lol, when figuring for the diameter of the column. i wanted an 8 inch
round and cut an 8 sided boards at 3 and 3/8 inches but came up way short when
using 2 inch thick wood. appreciate any help you might be able to
offer,,,,thanks,,,,,JD
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