[PSUBS-MAILIST] Penetrator testing

[Jon Wallace]

Hank, from what I can glean online it looks like order of conductivity, 
from lowest to highest, is steel - brass - aluminum - copper.  I know 
brass threaded rod is pretty easy to get from your local hardware store 
and aluminum can be gotten from specialty shops or special order.  
Probably need a special AL-CU connector though for the AL rod.

Jon


On 12/22/2013 6:52 PM, hank pronk wrote:
> Sorry Jon,
> I don't know how to start a new thread, I am not much of a computer 
> nerd, wish I was.
> I have ben using 3/8 in steel rod for the battery supply and 1/8in I 
> think for control wires, again steel.
> I wonder if other materials would be better.  That may be worth 
> testing also.
> Hank
>

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