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Re: (ATM) secondary-holder/spiders
- To: atm@efn.org
- Subject: Re: (ATM) secondary-holder/spiders
- From: Chuck Grant <grant@aretha.llnl.gov>
- Date: Mon, 16 Oct 1995 17:14:32 -0700
- Bell-Net: (510) 422-7278 (Fax 510 422-2095)
- Campus: Lawrence Livermore National Laboratory
- Department: Environmental Protection Department
- Division: Environmental Restoration Division
- In-Reply-To: <01HWEQ1ZI15E9249E0@delphi.com> (PFAFF2@delphi.com)
- Location: 7000 East Ave. L-530, Livermore, California, USA 94550
- Organization: University of California
- Reply-To: chuck-grant@llnl.gov
> From: PFAFF2@delphi.com
> >
> >
> > In affixing the diagonal mirror to the holder you must balance
> > leaving it loose enough so that there are no visible effects
> > from stress, with or without thermal expansion, and mounting
> > it firm enough that the collimation does not change as you
> > orient the telescope in different directions.
> >
> > If it is firm enough not to move, you don't have to worry
> > about it falling off (under normal conditions).
> >
> >
> The conditions will be ment if you glue the (diagonal) to the holder
> in 3 places with RTV with 1/16" or more in thickness.
> Bob Pfaff
>
Not quite. If you make the blobs too thick, it will flex too much.
Chuck