Aspect Ratio calculator?
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Joined: September 14, 2014
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Location: USA

Aspect Ratio calculator?
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Posted on Tue Sep 23, 2014 5:52 pm
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This is my first-ever post, so forgive me if this has already been addressed in the past. Would someone make an aspect ratio calculator wherein one may enter the inner diameter and the wire width and then press a button and >TA DA!< the AR appears? I would really appreciate that! Thanks very much.

Joined: May 18, 2014
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Location: Southwestern Ontario, Canada

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Posted on Tue Sep 23, 2014 7:14 pm
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AR = ID / WD

If you know the Internal Diameter and the Wire Diameter (tables converting various gauge systems to mm or inches are easily available with a google search - I've had good success with '[x] wire gauge to mm/inches'), then all you need is a regular calculator.
Your phone probably has one. Your computer definitely does.


You can even do this if all you have is the outer diameter and WD. Just subtract the WD twice from the OD before dividing.
This can be useful if you find yourself measuring rings or coils with a device that is unsuitable for measuring small internal spaces, like one of these:
http://preview.tinyurl.com/pp2rpzw

Joined: August 05, 2010
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Location: Bar Harbor, ME, USA

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Posted on Wed Sep 24, 2014 3:41 am
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Are the inner diameter and wire diameter measured directly or assumed to be correct from the supplier?

I may also direct you to the downloads section of this site which contains multiple items of interest. I'm personally a fan of the chart approach (where I made my own personal chart that corrects for springback with different metals).


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Joined: March 21, 2013
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Posted on Wed Sep 24, 2014 12:44 pm
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I you have an iPhone, ichainmaille has a beautiful calculator.


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