[TowerTalk] Cad Welding tips

[Gary]

One shots with a battery powered igniter.

https://www.therfc.com/cadweldnew.htm


The RFC will rent you the igniter - works awesome. Standard disclaimer


73,

Joe kk0sd

[http://www.therfc.com/Images/cadweldscan2.jpg]<https://www.therfc.com/cadweldnew.htm>

CADWELD Plus - The RF Connection Home Page<https://www.therfc.com/cadweldnew.htm>
www.therfc.com
CADWELD Plus. The CADWELD ONE-SHOT unit consists of the ceramic mold which contains the CADWELD WELD METAL, a metal disk, a flared sleeve or sleeves and cover.





________________________________
From: TowerTalk <towertalk-bounces at contesting.com> on behalf of Bob K6UJ <k6uj at pacbell.net>
Sent: Monday, October 31, 2016 7:36 PM
To: towertalk at contesting.com
Subject: Re: [TowerTalk] Cad Welding tips

Larry,

Thanks for the info.   I will get the igniter gun too.
Safety first !

Bob
K6UJ

On 10/31/16 5:26 PM, Larry Loen wrote:
> You can get the one shots all over the web.
>
> This link:  http://kf7p.com/KF7P/HargerUniShot.html
Harger® Uni-Shot - kf7p.com<http://kf7p.com/KF7P/HargerUniShot.html>
kf7p.com
What is it? Exothermic welding is a welding process for joining two electrical conductors. it uses a superheated copper alloy to permanently join to conductors ...



>
> . . .includes various one-shots.  Study carefully to find the exact right
> one, including the diameter of your ground rod.  That, you can get a lot of
> places.  The real value is the little "igniter gun" farther down the page.
>
> Scroll down until you find their igniter product that looks like a little
> gun.  We had a lot of cadwelding to do and accidentally experimented.  I
> tried a couple of other methods and frankly, as we discovered, they were
> dangerous.  Some use ordinary sparklers to ignite these things and we had
> some singed knuckles when we tried that.  Likewise, ordinary
> flint-and-steel of various sorts.  Never again.  Could have easily had 3rd
> degree burns.  This little "gun" version of it gets your hands just far
> enough away to be reasonably safe.  Try and ignite it at an angle for
> further safety -- the stuff mostly goes straight up.  But, you need a gap
> between you and the actual ignition.
>
>
> Larry WO7R
>
> On Mon, Oct 31, 2016 at 5:12 PM, Bob K6UJ <k6uj at pacbell.net> wrote:
>
>> I will be connecting no. 6 copper wire to 8 foot ground rods and plan to
>> bury the
>> connections.  I did my homework reading Tower Talk archives and have
>> concluded
>> that I will cad weld the connections.  I am a newbie at Cad Welding any
>> advice,  and where is the best place to get cad welding supplies ?
>>
>>
>> Bob
>> K6UJ
>> _______________________________________________
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>>
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>>
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>

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