[ Ссылка ] When oxy acetylene welding you must keep two things in mind when adjusting the flame: 1) How much gas is going through the tip. 2) The relationship between oxygen and acetylene. If you have a tiny flame you wont have proper gas flow for a cooling effect. A big flame will cause localized overheating. Both cause torch to pop and blows out the puddle. This videos discusses this, and shows you how to adjust the flame properly - how to form a nice sharp cone. Get the entire Oxy Acetylene Welding DVD here: [ Ссылка ]

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