Nozzle tests

Issue 5 and Volume 156.

Congratulations to Jerry Knapp, Tim Pillsworth, and Sean P. White on their excellent article “Nozzle Tests Prove Fireground Realities” (February 2003), which examines in superb detail the inappropriate use of fog streams in interior attack. It has been my privilege and pleasure to serve as a guest instructor in various aspects of engine company operations at fire departments and training academies across the country, including the Rockland County (NY) Fire Training Center. This subject comes up all the time when discussing interior operations, usually in the context of the smooth bore vs. the fog nozzle debate. A recent meeting I attended illustrates the pervasiveness of the problem. I was asked to discuss the operation of a particular nozzle with a small volunteer department in New England. The nozzle resembles a traditional fog nozzle at first glance but in fact has a central smooth bore delivering a solid stream controlled by…

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