Black stitching

Re: Black stitching: Robin

Colour has a lot to do with it, but depends on what the constituents are...

you have a technical background, so have a look here
<A target="_blank" HREF=http://www.pcimag.com/CDA/ArticleInformation/coverstory/BNPCoverStoryItem/0,1848,17187,00.html>http://www.pcimag.com/CDA/ArticleInformation/coverstory/BNPCoverStoryItem/0,1848,17187,00.html</A> though might be a little technical for some. There are far more in depth treatise available, but are heavy reading regarding use of metal salts etc in dyes

<hr width=100% size=1>Catapultam habeo. Nisi pecuniam omnem mihi dabris, ad caput tuum saxum immane mittam.
 
Re: Black stitching: Robin

Thanks Brendan.

Regarding your comment on metal salts in dyes - perhaps this is similar to the modern lotion sunscreens we apply (hopefully) to our bodies which seem to be based on metal oxides (and esters, I think, presumably for smell reasons not UV blocking).

John

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Re: Black stitching: Robin

Thanks Brendan. So it seems that our dark threads will be no less UV resistant than white ones, therefore the reason they are used is as stated, to highlight missing or damaged stitches and also to show sail shape for those who don't have go-fast draft stripes.

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Re: Black stitching: Robin

Yes, same principle

<hr width=100% size=1>Catapultam habeo. Nisi pecuniam omnem mihi dabris, ad caput tuum saxum immane mittam.
 
Re: Black stitching: Robin

Assuming they are using UV resistant black thread, yes

<hr width=100% size=1>Catapultam habeo. Nisi pecuniam omnem mihi dabris, ad caput tuum saxum immane mittam.
 
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