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 Wed May 25 18:29:09 2011, tara, Notes, optic, purchases
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 Mon May 30 15:23:53 2011, rana, Notes, optic, purchases
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Tue May 31 11:31:18 2011, tara, Notes, optic, purchases
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Wed Jun 1 01:50:35 2011, Koji, Notes, optic, purchases
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Wed Jun 1 21:00:05 2011, Frank, Notes, optic, purchases
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Message ID: 610
Entry time: Wed Jun 1 21:00:05 2011
In reply to: 609
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| Author: |
Frank |
| Type: |
Notes |
| Category: |
optic |
| Subject: |
purchases |
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we have to design our own. The 40m one has 2" mirrors (too large, we don't have the space), wrong height for incoming/outgoing beam and is clamped to the table, which i think is bad in terms of stability.
The design principle does not look much different compared to the original refcav periscope design, except for the mirror holder itself. That was bad designed for the old one.
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They are found in DCC. Some comments
- You can not steer the beam. The beam should be steered before or after the periscope.
- The side plates were too thick. It can be 1/2" thickness to reduce the total weight.
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I looked up 40m elog and found Daisuke's design for periscope. I'll make a sketch FSS' periscopes.
The design for 40m pericopes by Daisuke can be found here .
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The periscopes for the refcav ought to be made custom. None of the store bought type are stiff enough. Koji has a design from the 40m green that Daisuke made.
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