In this episode, we have recreated this same work in the article and the results may surprise you. We found that there is no pre-conceived rule of thumb for how kinks affect your system, rather testing with your own hose and nozzles is the best way to know how your kinks will have an effect.
Jerry Knapp
Jerry Knapp is a 39-year veteran firefighter/EMT with the West Haverstraw (NY) Fire Department and a training officer at the Rockland County Fire Training Center in Pomona, New York.
He is a member of the technical panel for the Underwriters Laboratories research on interior and exterior fire attack at residential fires.
He is the chief of the Rockland County (NY) Hazmat Team and a former nationally certified paramedic. He has a degree in fire protection and is an adjunct professor of fire technology.
He authored the Fire Attack chapter in Fire Engineering’s Handbook for Firefighter I and II and has had numerous articles published in Fire Engineering.
View All VideosYou may also like
Accurately estimating hose requirements is critical when operating in multi story buildings. In this episode, Jonathan Brumley breaks down practical methods for estimating vertical hose stretches. He covers building layout considerations, stairwell travel distances, and hose management techniques...
Vertical hose stretches introduce unique challenges that require planning and coordination. In this episode, Jonathan Brumley walks through techniques for stretching hose vertically, focusing on stairwells, standpipes, and multi level layouts. He explains how to manage hose weight, friction, and...
Not all standpipe systems operate the same way. In this episode, Kyle Smith breaks down manual standpipe systems, also known as dry systems, explaining how they function and what firefighters should expect when supplying them. He covers operational considerations, common challenges, and how manual...
Flow testing provides valuable data, but only if it is done correctly. In this episode, Kyle Romagus highlights common flow testing mistakes that can lead to inaccurate results and eventually poor operational decisions. He breaks down setup errors, calibration issues, and knowledge gaps so...


