Description Overview Rieter open end spinning machine Type: R-1 Year: 1997 to 1998 Number of spindles: 35 x 3, 40 x 1 Specifications Rotor make: Rieter SD-35/SD-40 Opening roller type: OB-20-DN C-17 Adapter cheese: 42 mm Yarn count: 4.7 Ne – 47.3 Ne Draft: 40 to 400 Twist type: Z only Tube length: 148 to 153 mm Yarn traverse stroke: 148 mm Maximum package diameter: 270 mm to 340 mm