Hydra Meeting - August 23, 2004
Updated on June 15, 2021, 7:49 am
Here is a quick summary of the topics discussed at the Hydra meeting on August 23, 2004, and the conclusions we reached:
1. Motorizing the bench camera focus
There are two basic solutions. One is to buy a motor and external encoder and use the existing, now-defunct SMC connection for the shutter operation to operate the motor. May be a significant mechanical design effort, however. The second is to replace the existing manual micrometer with a motorized version. This is mechanically easy, but communication with the SMC requires study.
--> Andres, Manuel, Enrique, Javier, Ricardo, Rodolfo will study the problem
2. Plans for the pellicle
Need to ensure that the pellicle may be replaced without damage.
--> Ricardo and Andres will discuss
3. Z-limit switch issues
Several apparent z-limit switch failures even after redesign and installation by Andres.
--> Javier and Enrique will try to reproduce the problem on the next turno, and write a proposal for a solution
4. What spare parts do we need?
--> send Knut any items you can think of
5. GNATS 457+500+503, 499+502, 320
The first three refer to the z-axis failures referred to above.
The next two refer to failure of the guider, the solution of which was reported in #502. But we need either spare VME cards, or perhaps Rolando's software patch.
--> Enrique and Javier wil discuss with Rolando
The last (320) refers to the broken echelle filter #6.
--> Knut will discuss finding a replacement with Roberto
6. Hydra autofocus
Exists, but doesn't work. Why?
--> Knut will look into it.