Progress on Vertical Coils David Howell, UIUC Jen-Chieh Peng, UIUC Jian-Ping Chen, JLab
Overview Size and placement Weight and field strength Uniformity Report from Walker Scientific
Size and Placement Avoid disassembling present arrangement Diagram from Walker Scientific proposal drawing number 52-C822528
Size and Placement Uniformity region size: ~40 cm transverse to symmetry axis 40 cm (15 ¾ in.)
Weight and Field Strength X coils*Y coils*Z coils Inner Diameter (in) Outer Diameter (in) Number of turns Weight / coil530 lbs420 lbs700 lbs Resistance / coil Central Field37 G37.2 G37 G Operating Current11.21 A11.17 A11.0 A * From Walker Scientific proposal drawing number 52-C822528, with 5 gauge copper wire Inferred by assuming value of B z at center follows:
Uniformity Axial components of magnetic field, on axis
Walker Scientific Have been in contact with Ed Daniels at Walker Scientific Waiting to get a quote