Sunday, May 13, 2012

Winding off of a precise DRS bobbin assembly

For high grist singles, I use a precise DRS bobbin to flier ratio without slippage.  This means that the twist inserted in to the yarn changes as the effective diameter of the bobbin changes as yarn winds onto the bobbin. Thus, consistent twist requires frequent windoffs.

In the past, I simply knotted the the new single to the end of the single already on my windoff bobbin. Then, when I plied, I would take the knots out, and overlap to form a continuous yarn.   However, I never liked having singles with a knot in them every couple of hundred yards.

However, by putting a hook  in the end of the dowel that holds my windoff bobbin, I can now make "spun" joins as I wind my singles off, even if it takes a hundred turns to make a secure joint in the yarn.

I taper both ends of the singles to be joined, overlap the ends, and insert enough twist to hold the joint together.  Inserting that twist with the drill is fast and easy.  Sure, I could have done it manually, but that was very slow for fine, high twist yarns.  And, it did not really matter for 5 or 6 ply gansey yarns.  For a lace yarn, it matters.

Thus, this bobbin now holds some 400 yards of  27,000 ypp single spin on a precise DRS bobbin assembly without a knot in it.

The fiber is Rambouillet.  It has more luster than the other fine wools.  I like that luster a lot.  This stuff gleams and sparkles.  The stuff on the bobbin above does not sparkle because it has spinning "goo" on it.


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