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Wed Jul 27 10:58:48 PDT 2022

2/3 level .
Mostly I use 4mm , the 2mm are difficult to assemble. I run thin cells =
up to 44000 rpm if needed
but usually less for SE.

Meanwhile I restarted working on private  base not as member of the =
Biozuntrum Basel.

Borris, sorry that in my situation now I can't help directly, I have no =
influence on the workshop there
but to make a spacer  is about 10 minutes a centerpiece 1/2hour. with =
washers no smoothing=20
proccedure needed.
 yours ...ariel

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<DIV><FONT face=3DArial size=3D2>
<DIV><FONT face=3DArial size=3D2>
<DIV><FONT face=3DArial size=3D2>Dear Borries ,dear =
colleagues,</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>I allready work with thin =
doublesector cells=20
2, 3 and 4mm longtime with the  E and XLA, before Beckman=20
</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>put the 3mm on the selling list.  =
Our workshop=20
made /cut from a bad  12 mm Charcoal-Epoxy or =
Alum-Epoxy=20
(not Kel-F or Alum !) Centerpiece 1 or two good new thin ones. Depends =
on=20
the  size .Also the 2 spacers, the simplest thing , adapted to each =
size.=20
To prevent  leaks  (not always  happen) I add from each=20
side  a  DS red washer as used with the 12mm Alum standart=20
centerpiece. A little problematic</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>is to assemble the cell =
because they  are=20
flat and no place where  the washers can be fixed.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>First  I insert  the lower=20
windowholder+saphire then I insert  the lower  washer on the =
window by=20
eye</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>you can use a wooden thin road(long =
match) to move=20
better in position and you insert the centerpiece,</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>if the washer does not lie perfect, =
push  from=20
below with  a steak and cleaning paper  so a bit space to =
push =20
the washer remain, to lie the upper washer on the centerpiece is easy. =
Apro-pos.=20
Also for leaking </FONT></DIV>
<DIV><FONT face=3DArial size=3D2>12mm Epon centerpieces  I add=20
washers.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>As the source of many leaks are  =
the=20
screw-washer (evaporation) especially older once  I add from them=20
</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>3-5 under each screw. In case of thin =
centerpieces=20
it is crucial. </FONT></DIV>
<DIV><FONT face=3DArial size=3D2>The DS washers are quite expensive and =
I use them=20
several times.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>From my knowladge  optical focus =
of the Xla is=20
in the cell mid  , not on 2/3 level .</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>Mostly I use 4mm , the 2mm are =
difficult to=20
assemble. I run thin cells up to 44000 rpm if needed</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>but usually less for SE.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Meanwhile I restarted working on =
private  base=20
not as member of the Biozuntrum Basel.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Borris, sorry that in my situation now =
I can't help=20
directly, I have no influence on the workshop there</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>but to make a spacer  is about 10 =
minutes a=20
centerpiece 1/2hour. with washers no smoothing </FONT></DIV>
<DIV><FONT face=3DArial size=3D2>proccedure needed.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2> yours ...ariel</FONT></DIV>
<DIV><FONT face=3DArial=20
size=3D2></FONT> </DIV></FONT></DIV></FONT></DIV></BODY></HTML>

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