I concur, but it could also be that the track is slightly bowed. If the
supports are set at each end, it would be bowed down in the center of the
track.
Scott Rippetoe rippetoe@tenet.edu
Academy of Science and Technology voice (713) 292-2615
27330 Oak Ridge School Road fax (713) 298-3292
Conroe, Texas 77385