Difference: PixelEndcapsInTheLoILayout (13 vs. 14)

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Sergey Burdin's "Concentric Diskettes" Endcap Layout

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Changed:

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A couple of talks showing the basic idea: 2013-06-26_Burdin_Rings.pdf

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(Previously known by a number of different names e.g. "concentric diskettes".)

A couple of talks showing the basic idea: 2013-06-26_Burdin_Rings.pdf

and a later update with a more sophisticated layout: 2013-08-27_Jones_Lpool_Status.pdf.

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Caculation of diskette sizes (J.Pater) using spreadsheet found below:

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Caculation of ring sizes (J.Pater) using spreadsheet found below:

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Using the same module dimensions given above, assuming the same active coverage as the quad-hex-hex LoI -layout disks:

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Using the same module dimensions given above, assuming the same active coverage as the quad-hex-hex LoI -layout disks (dimensions are in mm):

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Physical outer radius of ring 2 modules: centres not corners - corners will extend further	315.2
Active outer radius of ring 2 modules: centres not corners	315.0	same as LoI
Active inner radius of ring 2 modules: centres not corners	274.6
Physical inner radius of ring 2 modules: centres not corners	274.4

Physical outer radius of ring 1 modules: centres not corners - corners will extend further	253.0
Active outer radius of ring 1 modules: centres not corners	252.7
active CENTRE of ring 2 modules	232.5
Active inner radius of ring 1 modules: centres not corners	212.3
Physical inner radius of ring 1 modules: centres not corners	212.1

Physical outer radius of ring 0 modules: centres not corners - corners will extend further	190.7
Active outer radius of ring 0 modules: centres not corners	190.5
Active inner radius of ring 0 modules: centres not corners	150.1	same as LoI
Physical inner radius of ring 0 modules: centres not corners	149.9


Number of modules per ring, rounded up to be divisible by 4 (front/back, left/right clamshell):

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Physical outer radius of ring 2 modules: centres not corners - corners will extend further	315.2
Active outer radius of ring 2 modules: centres not corners	315.0
Active inner radius of ring 2 modules: centres not corners	274.6
Physical inner radius of ring 2 modules: centres not corners	274.4

Physical outer radius of ring 1 modules: centres not corners - corners will extend further	253.0
Active outer radius of ring 1 modules: centres not corners	252.7
active CENTRE of ring 2 modules	232.5
Active inner radius of ring 1 modules: centres not corners	212.3
Physical inner radius of ring 1 modules: centres not corners	212.1

Physical outer radius of ring 0 modules: centres not corners - corners will extend further	190.7
Active outer radius of ring 0 modules: centres not corners	190.5
Active inner radius of ring 0 modules: centres not corners	150.1
Physical inner radius of ring 0 modules: centres not corners	149.9


Number of modules per ring, rounded up to be divisible by 4 (front/back, left/right clamshell):

Jo's spreadsheet for calculating numbers of rings: PixelDiskDimensions.xlsx

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6-Feb-2014: Peter Sutcliffe's step files for the 3 ring types: np49-04-17.stp, np49-04-19.stp, np49-04-21.stp

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META FILEATTACHMENT	attachment="PixelDiskDimensions.xlsx" attr="h" comment="" date="1378034470" name="PixelDiskDimensions.xlsx" path="PixelDiskDimensions.xlsx" size="22306" stream="PixelDiskDimensions.xlsx" tmpFilename="/usr/tmp/CGItemp18716" user="JoleenPater" version="1"
META FILEATTACHMENT	attachment="2013-06-26_Burdin_Rings.pdf" attr="" comment="Sergey's initial talk introducing the 'concentric diskettes' layout" date="1378729666" name="2013-06-26_Burdin_Rings.pdf" path="2013-06-26_Burdin_Rings.pdf" size="336346" stream="2013-06-26_Burdin_Rings.pdf" tmpFilename="/usr/tmp/CGItemp18825" user="JoleenPater" version="1"
META FILEATTACHMENT	attachment="2013-08-27_Jones_Lpool_Status.pdf" attr="" comment="Update from Liverpool, last half concerns the 'concentric diskettes' layout" date="1378729690" name="2013-08-27_Jones_Lpool_Status.pdf" path="2013-08-27_Jones_Lpool_Status.pdf" size="1295564" stream="2013-08-27_Jones_Lpool_Status.pdf" tmpFilename="/usr/tmp/CGItemp18893" user="JoleenPater" version="1"

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META FILEATTACHMENT	attachment="np49-04-17.stp" attr="h" comment="" date="1391698730" name="np49-04-17.stp" path="np49-04-17.stp" size="529175" user="JoleenPater" version="1"
META FILEATTACHMENT	attachment="np49-04-19.stp" attr="h" comment="" date="1391698739" name="np49-04-19.stp" path="np49-04-19.stp" size="413655" user="JoleenPater" version="1"
META FILEATTACHMENT	attachment="np49-04-21.stp" attr="h" comment="" date="1391698746" name="np49-04-21.stp" path="np49-04-21.stp" size="376710" user="JoleenPater" version="1"
META FILEATTACHMENT	attachment="2013-11-OpenRings3D-simple.png" attr="" comment="" date="1391698988" name="2013-11-OpenRings3D-simple.png" path="2013-11-OpenRings3D-simple.png" size="189703" user="JoleenPater" version="1"

META TOPICMOVED	by="JoleenPater" date="1376430153" from="ATLAS/PUUKA.WP2PixelDiskMechanics" to="ATLAS/PUUKA.EndcapLayoutAndEngineeringDesign"