- Видео 20
- Просмотров 26 722
Dennis LeGear
Добавлен 26 дек 2011
Sniper with a HEN Blade 160gpm@50psi with a Turbo plus 25psi Backpressure Increasers
Great hose, when dealing with 63lbs nozzle reaction with a 50psi back pressure leads to excellent performance. Now this example has increased the back pressure by 25psi with the same 160gpm@50psi nozzle pressure and 63 lbs reaction force. In other words a 75psi back pressure with all the advantages of the 50psi nozzle pressure. It is possible with the HEN Turbo 160gpm Back Pressure Increaser.
HEN Turbo, Back Pressure Increaser, A Large Problem Solver
160gpm@50psi@60lbsRF, with a 75psi Inlet Back Pressure Addresses These Issues:
1. Nozzle Bite, easier stiffer/handling, leads to better water placement.
2. Reduces Nozzle (Weight / RF) & Hose (Construction) induced whip in the Small Handline si...
HEN Turbo, Back Pressure Increaser, A Large Problem Solver
160gpm@50psi@60lbsRF, with a 75psi Inlet Back Pressure Addresses These Issues:
1. Nozzle Bite, easier stiffer/handling, leads to better water placement.
2. Reduces Nozzle (Weight / RF) & Hose (Construction) induced whip in the Small Handline si...
Просмотров: 1 121
Видео
Sniper with a 50psi NP at 160gpm HEN Nozzle
Просмотров 2,4 тыс.3 месяца назад
Great hose, when dealing with 63lbs nozzle reaction with a 50psi back pressure leads to excellent performance. Now imagine increasing the back pressure by 25psi with the same 160gpm@50psi nozzle pressure and 63 lbs reaction force. In other words a 75psi back pressure with all the advantages of the 50psi nozzle pressure. It is possible with the HEN Turbo 160gpm Back Pressure Increaser.
HEN's Blade Nozzles and Turbo BPI, the Future of Handline Suppression
Просмотров 1,1 тыс.3 месяца назад
The HEN Nozzles TURBO BPI is A Revolutionary Advancement, Disassociating Nozzle Pressure from Back Pressure. We have been working on this for a while, get 160gpm@50psi a 60lbs Nozzle Reaction and a 75psi hose Back Pressure, now that sounds like heaven, because it is: Three minutes is all it takes to understand the total package watch the video pause and read the last few slides, if your into th...
hen blade vs traditional smoothbore 720p
Просмотров 1623 месяца назад
hen blade vs traditional smoothbore 720p
HEN Blade 20gpm@100psi vs Forestry Twin Tip
Просмотров 1834 месяца назад
In August 2023, I did some Testing / Training / Demoing and Explaining the vast differentiating factors between a HEN 20gpm@100psi, Tight and Bladed Patterns versus a Forester Twin Tip nozzle equipped with a 1/4” Tip and 6 gpm Fog Tip the Original Ganster (OG) of wildland fire nozzle and still widely used in fire suppression. The video clearly demonstrates the superior application potential of ...
HEN Adjustable Smooth Bore Blade 45gpm@100psi crushing vegetation fire down with efficiency.
Просмотров 3426 месяцев назад
Wildland season is around the corner, many are fielding the HEN adjustable smooth bore nozzles as their go to vegetation fire suppression stream development system for a reason. They provide superior stream dynamics from Blade to Tight mode, HEN adjustable smooth bore nozzles are the best forestry nozzle made today, take a look this one is common sense. Available for order in 20, 30 and 45gpm @...
UL Fire Attack Experiment#11 Flow & Move Narrow Fog (What I was looking for, & choose to be there)
Просмотров 5286 месяцев назад
I took this video, and this experiment was one I was very interested in. Their was a debate about what a narrow fog consisted of, 20-30 degrees. 30 degrees is mentioned often in texts. What I was looking for, how good is the "sealing" of the advance for lack of a better term of hallway during flow and move. I expected good, as a 30 degree fog nozzle with no movement has basically equal air entr...
Wisconsin Acquired Structure Burn, HEN 160gpm@50psi Large Blade Application Heavy Fire.
Просмотров 1866 месяцев назад
Wide 160gpm Bladed Fire Stream Application Advance towards a Unvented Large Body of Fire. 1) 160gpm@50 Blade Pattern, leading to massive gas contraction, and surface cooling in Wisconsin Burns. 2) All burns in (WI) against a no vent advance, all participants noted the tremendous levels of lift of heat and rapid complete suppression. 3) Also noted, was it took less effort to map and seal advance...
HEN 160gpm@50psi Tight& Blade Reach, plus Coverage Discussion
Просмотров 2,8 тыс.7 месяцев назад
HEN 160gpm@50psi Education/Demo around Tight Mode stream reach six floors from good set back, Blade stream capture of both smaller and large area simulations of standard size room foot prints. 1) Six floors of reach captured from 20 feet back, HEN 160gpm@50psi set to Tight Mode. This is for all intensive purposes a complete analog to a 7/8-inch tip's solid stream. (0 to 20 seconds) 2) Simulated...
HEN 160gpm@50PSI Blade Hallway to Bedroom Push, Drill Tower
Просмотров 6227 месяцев назад
Education/Demo around full hallway Bladed stream captured on advance, plus distribution advantages in the made seat Room Blade vs Solid stream . 1) On the way to the seat a more complete stream seal, easier to accomplished in the hallway. The center of the Blade pattern is still wet, ensure continued water down range regardless of edge impacts in hallway. (0 to 20 Seconds) 2) Easy up and down m...
HEN 160gpm@50psi Application Blade Vertical vs Horizontal
Просмотров 5887 месяцев назад
Short video describing the Coverage advantages of a Bladed Pattern in Structural Fire Suppression. Items, pointed out around the vast Placement Enhancements of large size droplets during room suppression with a Bladed Pattern. The Blade application leads to greater Coverage with a concentrated/saturated water's edge, Rapid Cooling with more surfaces (fuel/structural/room) and gas layers interac...
Fire Stream Design, Development and Application Methodology
Просмотров 1308 месяцев назад
#fdic2024 This class will cover discussions points on handlines, single inlet mini monitor fire streams, and master stream development/application, with these three key areas brought into sharper focus, volume, placement, and velocity. Critical knowledge/understanding points will be addressed, in handline attack package design from small to large. This will include the selection and implication...
Engine Design: Water Delivery Focused - From Urban to Suburban
Просмотров 1,4 тыс.8 месяцев назад
#FDIC2024 An engaging FDIC 4-hour workshop that provides the knowledge and understanding to produce a spec driven fire-stream-focused engine for both supply & attack while effectively meeting your other local requirements. This presentation will discuss the nuts and bolts of urban/suburban engine design revolving around the big three components of a triple combination pumper: The Chemical Wagon...
Dennis LeGear #FDIC2022
Просмотров 4572 года назад
Wye Operations, tactical and hydraulic failures related 1.75-inch flows (150-185 gpm) used with 2.5-inch trunk lines and three optional bulkbed handline attack solutions to these problems.
FDIC 2021: Handline Attack Package Design with Dennis LeGear
Просмотров 1,5 тыс.3 года назад
FDIC 2021: Handline Attack Package Design with Dennis LeGear
FDIC 2018 Big 4 of Handline Hose Selection, LEFDC
Просмотров 4,2 тыс.6 лет назад
FDIC 2018 Big 4 of Handline Hose Selection, LEFDC
Door & Hallway Angles of Long Distance Exstinguishment
Просмотров 1,3 тыс.8 лет назад
Door & Hallway Angles of Long Distance Exstinguishment
This is simply a modified fog nozzle. Droplets of water move air. A line moving 150-180 gpm covers an entire room quite well with little movement simply based on velocity alone. Look at the water mapping studies done by FSRI. a solid bore will move closer to 200 gpm at 50psi and so sheer volume and limited velocity will overcome the fire without need to cover an area with a modified fog line. I look at this line as simply an attempt to decrease the amount of air entrainment for fog nozzle adherents. There is little to no explanation of what issue is this nozzle attempting to solve that isn’t being done with our current lines.
Is UL publishing this study on their platform with more data?
Yes fsri.org/research/study-impact-fire-attack-utilizing-interior-and-exterior-streams-firefighter-safety-and
That’s awesome, thanks for sharing Dennis.
Looking good sir
What is the difference between the blade pattern and a semi fog pattern on other nozzles?
Edge concertation vs tiny droplets and spread out over large spaces. www.linkedin.com/in/dennis-legear-54659140/ read the articles. I have been truly impressed, was hired to prove pattern. I said I was hired to disprove pattern ve existing patterns. I have thrown every monkey wrench at it. If my hose was on fire and my family was on the line... Bladed Pattern at 160gpm@50psi with a Turbo 75psi back pressure would be what I want to show up in a qualified Nozzleman hands.
I'd like to see you have a class at 2024 FDIC
Do you think overall gallons used will be less than what was documented by UL in their interior and exterior hose stream study? You discuss the overall gallons used on 1 and 2 room compartment fires being pretty much less than 200 gallons while flowing and moving. All things being equal with a smooth bore vs blade at 160gpm, do you think that the coverage provided by the blade would reduce water usage and increase effectiveness? Really awesome to see history in the making.
The easy at which the pattern is applied, with the down stream coverage enhancements, picking more fuel simultaneously with a still concentrated GPS per sq foot in the 80 oz or greater sweeps, plus the already large droplet storm front of the nozzle in the gas column pre object impact. This creates a proximal cooling by the nozzle immediately, allowing a better advancing path for the nozzle team, plus a most like a higher rate of change with gas being contracted and with better make up air, proper amounts of air entrainment with less work. You add this up all together and equal nozzle men / women 7/8 vs 160 Blade will do better quicker suppression with the blade. Often that will lead to less water use, the more important item is it helps the nozzle position perform better at their key functions.. Its a extremely good equipment enhancement in mission both life and property. I have produced a series of articles here traying to explain it.. www.linkedin.com/in/dennis-legear-54659140/
"Promo SM"
First
You are the man Dennis
Looking forward to it
“Class is gonna be fun,there’s gonna be slides and video” Yeah, that sounds “fun”.
Hey Capt.! I know this video is a couple years old now, is there anywhere to find a video of this class or more information on the subject? Thanks!
This guy is the real deal.. if you can take one of his classes you won’t be disappointed. The more we know, the better we can select our tools, the more effective we can be.
I just ran a hose selection "test" for my department... no easy task for sure. You hit on every topic and consideration you must take into consideration when making a selection. Will you discuss the WPI & ATF burn through tests/studies?
Giovanni Sanzo briefly, I was semi involved with the initial WPI work.
Dennis LeGear with any luck I can make it out to you in 2018! All the best
Paul Grimwood has had a lot of expose to the high pressure/low flow European style of firefighting so for him to pick a solid high flowing line is very telling.