1. 2007-07-10 questions for cern – doyle rev 7/09/07 1/5
E. Doyle
July 10, 2007
questions for cern – doyle rev 7/09/ /5

2. Outstanding Questions (reminder)
1. Part numbers, descriptions, specifications, etc
a. Steppers
b. Resolvers
c. Linear bearings
2. Pin assignments (also connector part numbers, wiring harness drawings, etc) pertaining to plug-in assembly
3. May we have some Cu/Ni tubing for evaluation?
questions for cern – doyle rev 7/09/ /5

3. 2007-07-10 questions for cern – doyle rev 7/09/07 3/5
New Requests
1. Water connections – in/out locations on plug-in assembly
2. Tolerance on 224 mm beam-beam spacing
3. adjacent beam pipe stay-clear
4. For discussion – use of gasketed flange tank cover on RC2 beam test prototype
a. may preclude operation in some orientations
gasketed flange
questions for cern – doyle rev 7/09/ /5

4. New Requests - continued
5. What is “two-in-one” vacuum chamber you mentioned at
01/07 meeting? Is it applicable here?
6. Do we need the fifth stepper (+/- 10mm translation stage)?
a. may we permanently offset stage ~10mm to gain space for our
enlarged tank without shortening the bellows?
7. The damaged collimator that we’re buying
a. what water pressure was intended/applied?
b. is every unit tested?
questions for cern – doyle rev 7/09/ /5

5. New Requests - continued
8. Confirm interpretation of bellows data?
Lc = compressed length?
Le = max extended length?
Y-displacement of 20mm OK between 86 & 114 mm?
Between Lc & Lcy transverse motion possible but reduced?
questions for cern – doyle rev 7/09/ /5