At 04:44 AM 1/8/06 +1100, you wrote: >No Harry - the cutting tip is by far the best way to go - Tel I don't dispute either of you, and I plan to look into this matter further, but still it puzzles me because in 40 years of readings of decades of resources (all the usual suspects) and discussions not a single word of using a cutting torch for boiler building has ever been mentioned. You can understand my skepticism. Regards, Harry MODEL ENGINEERING DISCUSSION LIST. To UNSUBSCRIBE from this list, send a blank email to, modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.