HRMA Support Structure Tip/Tilt



           Degree of Freedom                   Range           Step Size      



  Azimuth (Yaw, Rotation about XRCF Z          1.5 deg         10 arcsec      

                 axis)                                                        



Elevation (Pitch, Rotation about XRCF Y        0.5 deg         10 arcsec      

                 axis)                                                        






OTG Mechanisms

All tolerances are +/- .



         Degree of Freedom             Static    Repeatability   Stabililty    



     Despace (axial location)         Per DWG      0.0118 in      0.0118 in    

                                       301331                                  



             Decenter                0.0174 in    0.0052 in       0.0052 in    



  Clocking (rotation about HRMA X   3.75 arcmin  1.125 arcmin    1.125 arcmin   

               axis)                                                           



             Tip/Tilt                3.5 arcmin   0.8 arcmin     0.8 arcmin    






FAM Mechanism

All tolerances are +/-.



   Degree of Freedom               Range                  Step Size         



    Translation in X              1 inch                 0.0005 inch        



    Translation in Y             7 inches                 0.005 inch        



    Translation in Z             7 inches                 0.005 inch        



    Rotation about Y             1 degree                 10 arcsec         



    Rotation about Z             1 degree                 10 arcsec