page_title: Spinning wheel
section_title: Single drive
hierarchical_section_title: Spinning wheel / Types / Treadle wheel / Single drive
caption_attribution_description: A picture of a single drive Ashford traditional wheel with Ashford lace flyer kit.
context_page_description: A "spinning wheel" is a device for spinning thread or yarn from fibres. It was fundamental to the cotton textile industry prior to the Industrial Revolution. It laid the foundations for later machinery such as the spinning jenny and spinning frame, which displaced the spinning wheel during the Industrial Revolution.
context_section_description: A single drive wheel has one drive band that  the flywheel and the flyer, and a short tension band which goes only over the bobbin.  The tension band adds an adjustable amount of drag to the bobbin and thereby increases the yarn take up force.
  If the tension band were extremely tight and the bobbin could not rotate at all, yarn would be taken up onto the bobbin by the rotation of the flyer constantly at a rate of one wrap per revolution of the flyer.  In practice, the tension is set such that the bobbin can slip, but with some drag, generating the differential rate of rotation between the flyer and the bobbin.  This drag is the force which winds new yarn onto the bobbin.
  While the spinner is making new yarn, the bobbin and the flyer turn in unison, driven by the single drive band. When the spinner feeds the yarn onto the bobbin, the drag on the flyer slows it and thus the yarn winds on. The tighter the tension band is, the more pull on the yarn, because the more friction the bobbin has to overcome to turn in sync with the flyer.
caption: A single-drive wheel with the drive band around flyer and brake on the bobbin
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