PSN-L Email List Message
Subject: Re: Crossed wire mass pendulum signal extension/s
From: ChrisAtUpw@.......
Date: Sat, 20 Sep 2008 01:07:43 EDT
In a message dated 2008/09/20, paleoartifact@......... writes:
> The X-suspension sounds most interesting; especially the adjustable period
Hi Meredith,
You have two fairly wide plates with two wires from the top right to
the bottom left corners and from the top left to the bottom right corners. The
mass is on the end of a vertical stalk attached to the centre of the bottom
plate and it lies between the two plates. You adjust the vertical position of
the mass to vary the period.
The mass moves laterally and rotates in the vertical plane. You might
also consider monitoring the position of the bottom plate, rather than the
mass itself. The damping could be positioned in a similar manner.
Regards,
Chris Chapman
In a me=
ssage dated 2008/09/20, paleoartifact@......... writes:
The X-suspension sounds most in=
teresting; especially the adjustable period
Hi Meredith,
You have two fairly wide plates with tw=
o wires from the top right to the bottom left corners and from the top left=20=
to the bottom right corners. The mass is on the end of a vertical stalk atta=
ched to the centre of the bottom plate and it lies between the two pla=
tes. You adjust the vertical position of the mass to vary the period.
The mass moves laterally and rotates in=
the vertical plane. You might also consider monitoring the position of the=20=
bottom plate, rather than the mass itself. The damping could be positioned i=
n a similar manner.
Regards,
Chris Chapman
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