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The blue flame is called a roaring flame and the yellow flame is called the safety flame.
A roaring flame indicates that the air inlet is open too far and should be closed slightly.
Oxidation
It depends on the total energy supplied: if the "roaring" flame burns (say) less gas than the two "quiet" flames, the two flames will heat faster.
70 degrees and the roaring flame is 100 degrees so yeah hot hot dont touch
the colour of the roaring flame is blue
to change from a safety flame to a roaring flame you would fully open the air hole.
The blue flame is called a roaring flame and the yellow flame is called the safety flame.
safety flame
the 'roaring' flame - which is the one when the oxygen valve is open.
A roaring flame indicates that the air inlet is open too far and should be closed slightly.
Roaring Twentys.
The Roaring 20's The "Roaring 20s"
When set to a roaring flame, there are what looks like cones of different shades of blue and orange. The hottest part of the flame, when set to roaring, is at the tip of the blue cone.
Oxidation
A non luminous, roaring, blue flame. 🔥 🔥 🔥
Safety flame medium flame roaring flam