PSN-L Email List Message
Subject: Re: Question regarding leveling of vertical seismometer
From: ChrisAtUpw@.......
Date: Thu, 3 Apr 2008 14:19:23 EDT
In a message dated 2008/04/03, charles.r.patton@........ writes:
> The only other trick is to put enough weight on the base
> so that the center-of-mass is within the triangle formed by the fixed
> point and two screws (or use a long, triangular shaped base where all
> the parts are within the triangle.
Hi Charles,
This is not usually done. The base is always flexible to some extent
and having an offset centre of mass / anisotropic flexure may not be exactly
helpful.
Regards,
Chris Chapman
In a me=
ssage dated 2008/04/03, charles.r.patton@........ writes:
The only other trick is to put=20=
enough weight on the base
so that the center-of-mass is within the triangle formed by the fixed
point and two screws (or use a long, triangular shaped base where all
the parts are within the triangle.
Hi Charles,
This is not usually done. The base is a=
lways flexible to some extent and having an offset centre of mass / anisotro=
pic flexure may not be exactly helpful.
Regards,
Chris Chapman
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