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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