Re: Small Accident yesterday..

John Reilly wrote:

I've drilled a lot of buzz bomb and hummers without metal in them and
used to drill some hummers using potassium perchlorate and sodium
salicylate with titanium (held in the drilling jig- not the fingers).

You sure that's a hummer? Or do you mean you're just drilling a core
into an unchoked whistle comp?

.