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Re: [sixleggedinsect] tapered bar tacks?:
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slacklinejoe
Aug 20, 2009, 11:08 PM
Views: 2549
Registered: Nov 5, 2003
Posts: 1423
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sixleggedinsect wrote: was this on purpose? am i just imagining it? anyone have any ideas about the design decisions made here?
No way to be 100% sure unless you have more than one sample from the same lot but it looks like it was programmed that way on a digital bartack where it automatically does that on the first and last tack.
If it was just one end, I'd say it was probably their bobbin running out.
To be 100% honest, it could be that they knew their necessary stitches to reach said strength and used the top and bottom not being doubled again as a way of finishing it faster and still looking symetrical.
While it is possible that they were playing with the concept of stress risers, I doubt it. Instead, it would be more likely that they could have reached their strength with one less tack, but consumers who look at these things tend to count tack numbers as assume that five tacks is stronger than four tacks.
For the record, that's why I use ten instead of the six that I need, well that and I have to account for abrasion over the product life span.
(This post was edited by slacklinejoe on Aug 20, 2009, 11:10 PM)
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Edit Log:
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Post edited by slacklinejoe
() on Aug 20, 2009, 11:09 PM
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Post edited by slacklinejoe
() on Aug 20, 2009, 11:10 PM
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