Extinguishing arm

An extinguishing arm , also HRET ( H igh R each E xtentable T urret), is an erase telescopic articulated-arm on the roof of industrial and airport fire-fighting vehicles is mounted.

Designations

Each manufacturer has its own name for the extinguishing arm.

Stinger at Rosenbauer

Z-Attack at Ziegler

Snozzle at Oshkosh

Spiker at Magirus

Boom at Colet

All manufacturers of large airfield fire engines have an HRET of a similar design in their range.

functionality

How it works using the example of the Ziegler Z 8 of the Munich Airport Fire Brigade :

HRET in storage position
HRET in attack position
HRET in attack position and arm extended

Explanation: Rotation range means left / right, swivel range means up / down

Details Crash Rescue Inc. now Oshkosh Corporation Snozzle extinguishing arm

In 2012, Crash Rescue Equipment Services Inc. sold the "Snozzle" including all patents to Oshkosh. The extinguishing arm is used by various companies, e.g. B. BAI, E-One, Oshkosh.

Details using the example of the BAI Striker E 6x6. source

Output quantity main projector 5,600 l / min

Throwing distance main thrower 85 m

Output quantity of secondary thrower at the tip 1,900 l / min

Throwing range of secondary thrower at the tip 60 m

Working height 19.8 m

Projection 10 m

Details Bronto-Skylift WFT extinguishing arm

The model F 17 extinguishing arm is used on the Dutch Army's E-One Titan G 8x8 and at Schiphol Airport. The forward-facing arm can be telescoped twice and thus has a larger operating radius than the other manufacturers.

Details:

Working height 5 variants 17–53 m

Water output 4,000 or 6,000 l / min

Foam output rate 9 kg / s

Details Colet Boom extinguishing arm

There are apparently four different extinguishing arms called BoomTurrets, only two of which are shown.

Type: PowerFlow I, III no description

Type: Powerflow II Turret

The main arm is attached in the middle of the vehicle roof and is in two parts. The second part is inclined downwards by 10 ° and is telescopic.

Rotation range main arm 0 °

Swivel range main arm ≈ + 30 °

Swivel range nozzle ≈ ± 90 °

Rotation range of nozzle 360 °

Working height 12.2 m

Type: Powerflow L / R Gator Boom Turret

The main arm of the Colet SVD Jaguar K 15 (4x4) and Colet SVD Jaguar K 30 (6x6) is attached in the middle of the roof and extends to the end of the roof pane. Telescopic arm.

With the Colet SVD Jaguar K 40 (8x6) the main arm is attached to the rear corners, the pressure cylinder is attached in the middle of the roof. Not telescopic.

The main karm is divided into two parts. The first part extends to the beginning of the roof pane. The second part is inclined downwards by 10 ° and extends to the front window.

In both variants, a second arm is attached to the main arm. When at rest, it is directed downwards at a 45 ° angle parallel to the windscreen.

Thus it can be used as a front turret. The nozzle is attached to this.

Rotation range main arm 0 °

Swivel range main arm ≈ + 30 °

Rotation range of two arm 0 °

Swivel range of the two arm ≈ + 80 °

Swivel range nozzle ≈ ± 90 °

Rotation range of nozzle 360 °

Working height 44 ft (13.4 m)

Weight 1,000 pounds (453.4 kg)

Output 1,000 gpm (3,785 lpm)

All degrees are estimates from pictures and videos.

Details Rosenbauer Stinger extinguishing arm

source

Type: Rosenbauer Stinger 54 with RM 65 turret

Output volume of turret in storage position: 6,000 l / min at 10 bar, powder 15 kg / s

Output volume of turret outside of the storage position: 3,800 l / min

Piercing tool output: 1,000 l / min

Piercing tool penetration depth: 520 mm

Piercing tool penetration limits: sheet aluminum 4 mm, sheet steel 2.5 mm, fiberglass 12 mm

Throwing distance in the storage position: 90 m

Throwing distance outside of the storage position: 85 m

Rotation range for airfield fire engines: ± 30 °

Rotation range for industrial fire engines: 360 °

Rotation range of the projector: ± 90 °

Turret swivel range: ± 90 °

Swivel range of piercing tool: min. ± 45 °

Working height: 16.5 m (optional 20 m)

Outreach: 11.4 m (optional 13.8 m)

The telescopic arm is equipped with a nozzle for water, foam and extinguishing powder , an extinguishing lance (also known as a piercing tool), a color camera and / or a thermal imaging camera .

Details Ziegler Z-Attack extinguishing arm

Since 2015 Ziegler has been offering its own newly designed extinguishing arm, called the Z-Attack , which can be easily telescoped. Cameras or spotlights can be mounted on both sides of the main boom. A nozzle, an extinguishing lance (also called a piercing tool), cameras and / or headlights can be mounted on the telescopic arm .

The Z-Attack is offered as an alternative to the roof monitor in the following vehicles: Ziegler Z6, Ziegler Z8 . (Main article: Ziegler Z )

Total height 17/20 m
Projection 12/14 m
Output volume: max. 6,000 l / min (Z6), max. 8,000 l / min (Z8, 4th generation)
Delivery of powder or CAFS optionally possible
Reaching the desired attack position in approx. 6 seconds.

Details Ziegler Snozzle extinguishing arm

Detail: main projector (left) and secondary projector (right)

Before 2015, Ziegler offered the Snozzle extinguishing arm as an alternative to the roof monitor . But then the patent was sold to the Oskosh Cooperation. Since then, Ziegler has offered the self-developed Z-Attack as an alternative.

Type: Ziegler-Snozzle-CE50

Rotation range: ± 30 °

Type: Extinguishing Telescopic Articulated Arm (HRET) Snozzle 652

Working height of 20 m and a radius of 15 m.

Operating height: 20 m, extinguishing agents can be deployed up to 90 m.

Output quantity main projector: 5,675 l / min at 10 bar water, 9 kg / s powder

Output quantity of secondary thrower at the tip: 2,000 l / min at 10 bar water

Piercing unit output: 1,000 l / min at 10 bar water

The telescopic arm is equipped with a nozzle for water, a fire lance (also known as a piercing tool) and lighting.

The Ziegler extinguishing arm is available in at least two versions:

Main launcher and piercing unit at the tip of the telescopic arm.
Main projector on the non-telescopic arm section. Side launcher and the piercing unit at the tip of the telescopic arm.

Details Magirus Spiker extinguishing arm

It is not clear whether the Spiker is an in-house development. At least one SuperDragon x8 of the second generation was equipped with a Snozzle HRET for the Poznan-Ławica Airport ( Poland ).