Re: Re: Rubber cross-section

From: William Gowen <wdgowen_at_gmail.com>
Date: Tue, 17 Sep 2013 11:41:44 -0400

So you calculate the density of your 1/8" rubber and then calculate the
strip width based on the density. I rest my case.

On 9/17/2013 10:50 AM, mkirda_at_sbcglobal.net wrote:
>
> Here is an example for F1L.
>
> Find the loop length that you want. Cut a bit of rubber to be the
> length plus 2 inches.
>
> i.e. 14" loop, cut (14+1)*2 = 30 inch length = 15" doubled.
>
> Measure the width of the rubber with micrometer - i.e. 0.128"
>
> Weigh the length of rubber. i.e. 2.54 grams.
>
> You decide you want the rubber to weight 1 gram exactly.
>
> Here is the math:
>
> 1/2.54 * (15/14) * 0.128 = .05399
>
> Strip it to 0.054" and you when you tie off a 14" loop it should be
> precisely 1 gram.
>
>
> I set up the spreadsheet to have only 1" additional length, but the
> math above is the same.
>
> If anyone has problems with this, I will define variables and post the
> math that way.
>
> Regards.
>
> Mike Kirda
>
>
Received on Tue Sep 17 2013 - 08:41:47 CEST