Sparklers (kids fireworks) can be an effective fuse for Cadwelds. It even
works in the rain.
73
Art
On Mon, Mar 16, 2015 at 10:11 PM, Bill Wichers <billw@waveform.net> wrote:
> Just to add: the spark igniter is a flint-type unit. Those used for
> starting a torch would probably work too but would be more difficult to aim
> into the mold than the gun-like cadweld ones are.
>
> -Bill
>
> Sent from my iPhone
>
> On Mar 16, 2015, at 9:35 PM, "Cecil" <chacuff@cableone.net> wrote:
>
> > There is a spark igniter that is used with cadweld...I've had trouble
> lighting them off with a propane torch. Usually if they have been stored
> in a dry location they are good for years. The blue tube is loaded with an
> igniting compound in the bottom...so it is the last thing that goes into
> the mold and a small amount of it is trailed over the edge to facilitate
> lighting once the lid is closed. So just any of the powder won't light off
> you have to light off the starter powder.
> >
> > Cecil
> >
> > Sent using recycled electrons.
> >
> >> On Mar 16, 2015, at 5:58 PM, "Mike Greenway" <K4PI@BELLSOUTH.NET>
> wrote:
> >>
> >> I some have old style Cadwell that require lighting off with a torch.
> I have had them for many years and apparently the chemical mixture has
> gotten too old to fire off as I tried one today and just no reaction. Has
> anyone run into this before? Don’t guess there anything easily mixed up to
> replace the thermo compound. 73 Mike K4PI
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