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Id Record date Author Type Category Subject Text   747   1/27/2010 9:31:03 AM John Leckey Components Gas System 50/50 Argon Ethane Mix The 50/50 mix works great!!!  Yoda's upper voltage had become 3970 V and we only had a half a bottle of the 65/35 left, so      746   1/18/2010 4:38:17 PM John Leckey General Chamber Testing Yoda Efficiency Here are the latest efficiency curves from Yoda.  The voltage plot has a constant threshold voltage of 2.0 V and the threshold      745   1/15/2010 1:34:30 PM John Leckey General Chamber Testing Yoda Status Yoda is working wonderfully!  Yoda draws the least amount of current yet and is stable up to 4050 V.  The lower plane  6x    744   1/15/2010 1:32:36 PM John Leckey General Chamber Testing Han Status Han is constructed and working.  Han is the weaker than Vader and Leia with a few missing wires and drawing slightly more      743   11/12/2009 4:26:25 PM John Leckey General Leia Analysis 1567 Data with New Map Here is the latest analysis from the benchmark file from Leia with the major difference being that the map used to analize the file  8x    742   11/12/2009 1:37:29 PM David Armstrong Other Cables Cabling and Power Supply needs in Hall C  Here is a first draft of a memo to Bill Vulcan outlining what       741   11/5/2009 10:36:53 PM John Leckey General Chamber Testing Newest Analysis Here is the newest analysis in pdf form.      740   10/6/2009 1:11:45 PM John Leckey General Chamber Testing Leia Eff vs Voltage Here is an efficiency plateau curve for Leia as a function of voltage.  Each efficiency is 7 wire efficiency and is      739   10/5/2009 9:07:41 AM John Leckey General Chamber Testing Leia Run Log      738   10/2/2009 7:59:12 PM David Armstrong General Chamber Testing A run plan/wish list Here are some (ambituous) thoughts for the next couple of weeks: Goals for VDC testing      737   10/2/2009 2:07:40 PM John Leckey General Chamber Testing Leia's 1st Drift Time Spectrum Here is the 1st drift time spectrum from Leia.  It has poor statistics but more data is being collected.  The shape      736   10/2/2009 2:02:09 PM John Leckey Components General MAD Power For future reference on the MAD cards: Red wire = +6 Power Green = Supply Ground      735   10/2/2009 9:16:53 AM David Armstrong General Chamber Conditioning Leia: conditioning history [H3]Leia: History of voltage conditioning[/H3] Notes: trip point initially set on 1 muA      734   9/29/2009 11:42:15 AM John Leckey General Chamber Testing Leia is Alive!! Leia is currently at 3800 V and drawing 200 nA current and falling.  There were no troubles conditioning and it only took      733   9/28/2009 8:52:29 AM David Armstrong General Chamber Construction 2nd chamber (Leia) under gas  The second chamber (Leia) has been assembled; John, Ryan and Siyuan bolted it together on Saturday. Gas (Ar/Ethane 65/35)      732   9/25/2009 4:12:42 PM David Armstrong General Chamber Construction Status update  A quick update (since nobody seems to be writing things in the logbook):      731   9/9/2009 2:30:14 PM Jeong Han Lee General Chamber Testing Quick look at some more F1TDC data According to the F1 tdc configuration, the resolution (bin size) is [B]0.1132[/B] ns and the rollover count is [B]64495[/B].       730   9/9/2009 2:30:14 PM David Armstrong General Chamber Testing Quick look at some more F1TDC data Here is a typical time spectrum for a wire of the first VDC (Vader). This was from Run 1376.       729   9/7/2009 3:00:38 PM John Leckey Components Alu Cover Plate Side Plate Drawings I have designed the side plate to mate the z-plates with the chamber aluminum plates.  I am using the 0.75" Al we already own      728   8/31/2009 4:18:15 PM joshua Drawings Rotor rotor assy drawings final In response to John's worry about the length of the load.  Here is the drawing that was sent to Mike to be made.

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