Target Report Introduction Chris Booth Sheffield 20 th November 2008

Chris BoothUniversity of Sheffield 2 Organisation Weekly phone meetings –Sheffield, RAL (inc. MOM), Imperial –Notes on web (thanks Ken!) Design initiative –Shaft & bearings – see Jason's talk Verification & Diagnostics –Following slide Target workshop –Next week, at I.C.

Chris BoothUniversity of Sheffield 3 Verification and Diagnostics Magnetic measurement & simulation –Stator field map – Craig Mc Waters –FE Simulation – Paul Smith (prelim.) –Interpretation – Jim Rochford & Paul Smith Coil misalignments <0.2 mm Shaft stability –High speed photography – Paul H & Chris B –FEA – Wing Lau –Comparison of “rigid” and “foam rubber” mountings Lateral oscillations seen (at end of stroke?) “By eye” no major differences between mountings Camera data now with Wing, for proper analysis Nickel coated bearings –Tests in progress