Re: ATM self contained vibration damper....

["benoit schillings" <benoit_schillings@hotmail.com>]

this is interesting, let me check your postings

-- benoit


>From: "Don Clement" <clement.focuser@verizon.net>
>Reply-To: "Don Clement" <clement.focuser@verizon.net>
>To: "benoit schillings" <benoit_schillings@hotmail.com>,<atm@shore.net>
>Subject: Re: ATM self contained vibration damper....
>Date: Tue, 27 Aug 2002 13:08:36 -0700
>
>
>Hello Benoit,
>
> > Does anybody on the list has some idea of the subject, or better
> > experimented in that field ? It seems to me that the same problem
> > must exist for large dobs, and finding an easy way to kill a good
> > deal of these vibrations would allow us all to build lightweight scopes
> > which would be more resilient to wind & other vibration sources.
>
>
>I have posted about magnetic dampening a few years ago. Magnetic damping
>uses a conductive disc or plate of aluminum or copper  (or a coil ) that
>moves though a magnetic field formed by permanent magnets. Movement of the
>conductive plate though the magnetic field causes eddy currents to form 
>with
>a force opposite to the movement. This is common means of dampening
>mechanical balances.
>
>
>Don Clement
>Running Springs, California
>Owner: Clement Focuser
>




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