6v model sphere 2

[Blair Wolfram]

THG;

The last image was tough to read, maybe this attachment is clearer.

Blair

[Paul Kranz]

Blair:

I get that cf is "chord factor" but what is "ES"?.

Is this the face of an icosa?

Paul sends...

Blair

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[Blair Wolfram]

Hi Paul;

ES is short for 'exterior strut.'
Thanks for your interest.

[Paul Kranz]

Blair:

If the radius is 1 foot, is "ES" decimal feet?

Are we talking icosa face or 1/5 dodeca face?

Paul sends...

[Blair Wolfram]

This is an icosahedron base, and the ES measurement is in inches, so 10-11 is 1.6237".

[Blair Wolfram]

Correction, the exterior radius on this model  is 8.05".

Blair

[Paul Kranz]

Blair:

Would you agree that if the radius were 12 inches, the ES would be in feet?

Paul sends...

[Hector Alfredo Hernández Hdez.]

My experience says that ACCURACY IS SO IMPORTANT. Then is better work in Metric System than English System.

[Blair Wolfram]

Paul;
No, if the input variable is in inches, the product will still be in inches. If I input 8" as .667 feet, only then the product will be in feet.

And Hector, you are absolutely correct about metric being much better than the English System

2012/2/23 Hector Alfredo Hernández Hdez. <hecto...@gmail.com>

[CAL]

Remember that although metric is most likely easier and possibly better to work in, it is not more accurate. Both the Metric and English systems are equal in accuracy. The accuracy depends on the person making the calculations or measurements.

 

HSL

livel...@gmail.com

[Hector Alfredo Hernández Hdez.]

Definitely you have reason.