[TowerTalk] Exothermic welding mold

Martin A. Flynn maflynn at theflynn.org
Sun Aug 20 11:35:18 EDT 2023


Reply from NVENT:   I suggest using the GRC182G or the GYR182G molds as 
alternate.   Implies being unable to do this in a single weld.

Local substation electrician suggested https://shopalltec.com/gey-mold/  
He is going to loan me the clamp to hold the ring cable while welding 
(once the exothermic reaction starts, it often cuts the cable before the 
weld solidifies)

Ring cable is the lower pair, the cable to the tower is the upper.

73 Martin Flynn

On 8/13/2023 1:00 PM, Martin A. Flynn wrote:
>
> Thanks - Cables are 2/0 and the rods are 3/4 inch
>
> Have about 12 connections to make, might even be worth it as a custom 
> mold to avoid putting 90 degree bends in the tower to ring cables.
>
> Have email out to Harger and Thermoweld
>
> 73 Martin Flynn
>
> On 8/13/2023 12:49 PM, Dave (NK7Z) wrote:
>> https://www.kf7p.com/KF7P/HargerUniShot.html
>>
>> 73, and thanks,
>> Dave (NK7Z)
>> https://www.nk7z.net
>> ARRL Volunteer Examiner
>> ARRL Technical Specialist, RFI
>> ARRL Asst. Director, NW Division, Technical Resources
>>
>> On 8/13/23 07:42, Martin A. Flynn wrote:
>>> Looking for a mold that can be used to connect three (3) 2/0 
>>> concentric copper cables to a 3/4 Inch copper clad rod.
>>>
>>> Does this exist?
>>>
>>> 73 Martin Flynn
>>>
>>>
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