[Sneap] Resistor strings needed

[AED51 at aol.com]

In a message dated 9/4/2007 9:36:53 A.M. Eastern Daylight Time,  
ovidiu at umich.edu writes:

Greetings! 
We have serviced our General Ionex  accelerator and we have many resistors 
that are failing (mainly because of  age) 
Does anyone have any resistor  strings that were pulled out from a HVEE 
machine and could give/sell some to  us? 
We mainly need 140 MOhm strings  (23 resistors each 6.2) and 506 MOhm (23 
resistors each 22 MOhm).  O’Brien Scientific can give us some but not enough (The 
resistors are  rated 2 W).   
A source of such new resistors  could also be valuable information for us. 
Thank  you, 
Ovidiu 
MIBL,  UM 
******************************************* 
Ovidiu  Toader, 
Manager, Michigan Ion Beam  Laboratory 
University of Michigan, Ann Arbor MI  48109 
http://www-ners.engin.umich.edu/research/Mibl 
ovidiu at umich.edu 
(734)  936-0166 
******************************************* 
Ex nihilo nihil  ...       (Parmenides) 
*******************************************


Ovidiu,
 
At the University of Pittsburgh, we had some success using Caddock type MG  
Precision High Voltage Resistors. We started to install them on one of our EN's 
 in addition to the brown stick resistors from HVEC.
One of the other labs had presented a paper at a SNEAP meeting, I think it  
was in the early 80's, on a modification they had done on their column  using 
these resistors. 
 
denis altenburger
former tank driver of EN 20 & 22.



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