PSN-L Email List Message

Subject: Re: Vertical Seismometers -- Some More Thoughts
From: ChrisAtUpw@.......
Date: Sat, 30 Aug 2008 13:10:07 EDT


In a message dated 2008/08/30, gel@................. writes:

> I have one question, if I have 8 to 10 Kg of mass on the pendulum,

Hi Gary,

       There is no reason to us masses much above 1 lb. You are designing in 
problems with a 10 kg mass. 

       Regards,

       Chris Chapman   
In a me=
ssage dated 2008/08/30, gel@................. writes:

I have one question, if I have=20= 8 to 10 Kg of mass on the pendulum,


Hi Gary,

       There is no reason to us masses much ab= ove 1 lb. You are designing in problems with a 10 kg mass.

       Regards,

       Chris Chapman

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