On Nov 11, 9:38 am, "LLBrown" wrote:

I can melt the pitch (tar) out ok with a heat gun but I have to get the
pipe red hot to turn residue into ash. This is for musical instruments so
the pipe has to be really consistant.

I always wondered about getting it a bit less hot and blowing oxygen
through it...

....carefully of course, as I can imagine a number of ways it could get
real exciting real quickly.