Fireground hydraulics has been around all of my life(pushing 60). Just like CPR, it has changed through the years. My question is , do you really use it. I was an engineer for 28 years,I understood how the use the formula, and never did use it on a fire. Reason being, in the heat of the battle and without a calculator it was impossible to use. Besides that without the GPM part of the equation it can't be used . I found that a pump chart designed from actual flow tests worked bet. Why does it still exist? Teachers of this math even tell you that you will never use it. Don't we have enough to learn in this job. What do you think?
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