PSN-L Email List Message

Subject: Re: Mass deflection weight test
From: John Lahr johnjan@........
Date: Thu, 01 Nov 2007 12:49:36 -0700

That's a good idea.  Is there a good wire table on line that can be used?


At 12:03 PM 11/1/2007, you wrote:
>In a message dated 01/11/2007, johnjan@........ writes:
>There are two issues involved.  One is the absolute deflection due to
>adding a weight and the other is the electronic response, once some
>motion sensor has been applied.
>Hi John,
>     I find it easier to cut a measured length of Copper wire and 
> bend it so that it gives a three point contact - a small U loop and 
> a larger U loop at right angles to it. You can look up the weight 
> either in wire tables or by the diameter for that gauge and the 
> density of Copper.
>     Regards,
>     Chris


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