SLAC Magnetic Measurements
Date: 08-05-1994
Time: 13:55:22

Magnet Name: 028
Test Operator: zv
Test Stand: gap measurement stand
Apparatus: gap sensors
Run Number: 6
Comment: LOAD REMOVED

Average Gap Values and Standard Deviations:
Average Outer Gap Width, Gout =  2754.825  +-  1.940315  mils
Average Inner Gap Width, Gin =  2756.725  +-  1.076856  mils
Average Middle Gap Width, Gm =  2787.775  +-  1.255161  mils
Average Gradient, 1/G dG/dx = -3.568079E-03  +-  3.538076E-03  1/m

Average Height Values and Standard Deviations:
(Heights are relative to the ideal magnet elevation.)
Average Outer Midplane Height, Hout = -4.633538  +-  7.35912  mils
Average Inner Midplane Height, Hin = -4.27234  +-  6.388322  mils

Average Roll Angle and Standard Deviation:
Average Roll Angle, Roll =  4.803172E-02  +-  .2628849  mrad

Shims

Fit to Roll vs z:
R(z) =  2.420651E-03  * z + -.2052288 
Shims to make the roll and twist zero:
Foot 1, shimr1 =  1.829165  mils
Foot 2, shimr2 = -3.786744  mils

Fit to Hout vs z:
Hin(z) = -4.882301E-02  * z +  .4745688 
Shims to make the height and pitch zero:
Foot 1, shimh1 =  1.820113  mils
Foot 2, shimh2 =  7.483582  mils


Shim Values For Each Support Point:

                  Upstream End
             Inside         Outside

Foot 1         4             2    mils








Foot 2         4             7    mils

                  Downstream End