Pro Bar Halligan Mechanical Advantage

Fire hooks unlimited pro bar halligan type forcible entry tool.

Pro bar halligan mechanical advantage.

Regular price 245 00 24 halligan tool. More often than not when dealing with outward swinging doors we will look to gap crush or tunnel the door between the door above the lock and the jamb using the adze end of the halligan in doing so and moving the tool up or down offering a 15 1 mechanical advantage with a maximum spread of 2 inches width of the adze. The distance from fulcrum to load is 2. Sale price 105 00.

This presentation uses field calculations and rough math to help the student understand the basics of the mechanical advantage the. What part of the halligan pro bar provides the greatest mechanical advantage. Distance from effort to fulcrum is 25 inches. The key is to have a good grasp on the capabilities of the tool.

Standard 30 pro bar halligan 30 pro bar halligan is the most popular halligan type bar used in the. From search destroy fire training. Yes the 36 inch bar offers an increase in mechanical advantage but the limitations it places on you make anything longer than 30 inch undesirable. It is also carried by every unit in emergency services and the highway patrol.

And don t forget in order to achieve the greatest mechanical advantage you have to maximize the force to fulcrum distance meaning you must pull or push at the end of the halligan. However the maxximus boasts many improvements over the pro bar and therefore can rightfully hold the title as the next generation halligan. Widening the gap on your fork for pulling key in knob locks. It is carried by every engine truck and rescue in the f d n y.

Vertical ventilation will prevent fire extension by from occurring at a remote part of the building. The closer you move to the door the less ma you realize. The pro bar 30 is the only halligan type tool used by the new york city fire and police department for the last 30 years. Photo 1 shows a 30 inch and 36 inch halligan.

Forcing an outward opening door with the forks has a mechanical advantage of 12 5 1 and is a class i lever. Ordinary construction is prevalent in most downtown or main street ares of older towns and villages. Mechanical advantage of the halligan. It has been designed to improve a firefighter s efficiency while performing truck company operations.