Quote:
Originally Posted by laserglass
all torches will have EXACTALY the same amount of heat output from a 5 l/min concentrator which will be less than 7000 BTU/Hour.
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If you were working with a chemical equation (x amount of oxygen mixed with y amount of fuel gives you z amount of heat output), then, yeah. BUT... torches are not 100% efficient and the heat that is produced is not always directed into the flame. With some torches, a great deal of the heat is lost to the atmosphere surrounding the flame and back onto the torch body, itself.