VERY LARGE TELESCOPE FORK STUDY
AMOS has studied the fork of the 8 m unit telescope of Paranal for the European Southern Observatory.
The aims of the study were:
- to provide a rigid interface (Eigen frequency as high as possible) between the base and the tube;
- to reduce the level of the altitude axis;
- to bring the total weight of the telescope unit to a minimum.
The AMOS study arrived at the following values:
- mass of the fork: 87 t (150 t less than a classical solution)
- first Eigen frequency at 9 Hz
- level of the altitude axis: 6.7 m above the base level
These characteristics were obtained with a double concentric circular azimuth track.
Overall fork dimensions:
- Length: 24 m
- Width: 8.1 m
- Height (bearings included): 8.25 m
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