SLAC Magnetic Measurements
Date: 07-21-1994
Time: 10:17:30

Magnet Name: 028
Test Operator: mkl
Test Stand: gap measurement stand
Apparatus: gap sensors
Run Number: 3
Comment: corrected as per run #2

Average Gap Values and Standard Deviations:
Average Outer Gap Width, Gout =  2755.712  +-  1.78366  mils
Average Inner Gap Width, Gin =  2757.598  +-  1.136981  mils
Average Middle Gap Width, Gm =  2788.655  +-  1.17782  mils
Average Gradient, 1/G dG/dx = -3.542036E-03  +-  3.462244E-03  1/m

Average Height Values and Standard Deviations:
(Heights are relative to the ideal magnet elevation.)
Average Outer Midplane Height, Hout = -.9101274  +-  6.240261  mils
Average Inner Midplane Height, Hin = -.9678096  +-  5.778325  mils

Average Roll Angle and Standard Deviation:
Average Roll Angle, Roll = -7.670487E-03  +-  .1802781  mrad

Shims

Fit to Roll vs z:
R(z) = -1.345376E-04  * z +  6.405511E-03 
Shims to make the roll and twist zero:
Foot 1, shimr1 = -1.644863E-03  mils
Foot 2, shimr2 =  .3104824  mils

Fit to Hout vs z:
Hin(z) =  2.219561E-03  * z + -1.142349 
Shims to make the height and pitch zero:
Foot 1, shimh1 =  1.03803  mils
Foot 2, shimh2 =  .7805606  mils


Shim Values For Each Support Point:

                  Upstream End
             Inside         Outside

Foot 1         1             1    mils








Foot 2         1             1    mils

                  Downstream End
