[TowerTalk] Cadweld vs other welds or brazing

[Roger (K8RI) on TT]

On 5/2/2014 10:20 AM, Patrick Greenlee wrote:
> Mechanical fasteners may or may not remain tight through heat cycling, 
> freeze/thaw cycles, and possible corrosion which is why they need to 
> be inspected and potentially touched up periodically. This is a PITA 
> if the connections are buried as per authoritative guidance. This 
> burial thing is one of the motivators for wanting to weld the 
> connections.
>
> Can't respond to the material alteration issue as I don't understand 
> what is meant.
>
> Patrick NJ5G
>
>
> On 4/26/2014 12:12 PM, David Robbins wrote:
>> First... reply-all seems to be broke.
>>
>> On subject, mechanical fasteners are entirely adequate for grounding and
>> have the advantage of not permanently altering the material of the legs.

I have never had mechanical ground rod fasteners stay tight for a year.  
By the end of the spring thaw I have always been able to pull them off 
by hand.  Hence, I now always use CadWeld "One shot" welds to the ground 
rods.  I add two for the house electrical ground as well


73

Roger (K8RI)