The DDM 160 is mounted on the pier

The telescope drive unit is now mounted on the pier.

 

The drive is the Astrosysteme Austria DDM 160, having an instrument carrying capacity of 300 kg. The counterweight mass is an additional 145 kg.

 

The model name DDM 160 is an abbreviation for “Direct Drive Mount, 160 mm”. Direct drive denotes that torque is transferred directly to the polar and declination axes without gear reductions. The polar axis is 160 mm in diameter.

 

The mass of the drive is 220 kg. The counterweight shaft is 24 kg, and will carry four counterweights totaling 119 kg.

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