Abstract: A nozzle apparatus for delivering a fire-retardant foam including a fluid delivery member having an interior passage of a given diameter, an expansion tube connected to the fluid delivery member, an agitator positioned within an interior passageway of the expansion tube and an aspiration port formed in the expansion tube. The interior passage of the fluid delivery member extends to a tapered region having a outlet orifice at a narrow end of the tapered region. The interior passage is connected to a wide end of the tapered region. The aspirator port is positioned between the outlet orifice and the agitator. The expansion tube has an interior passageway extending to an outlet opening opposite the fluid delivery member. The outlet orifice opens to the interior passageway of the expansion tube. The interior passageway has a greater diameter than a diameter of the outlet orifice. The agitator is positioned within the expansion tube so as to turbulently mix the solution with air within the interior passageway.

Abstract: A fire fighting apparatus includes a vehicle, a first fluid tank supported on the vehicle, a second fluid tank supported on the vehicle at a different location than the first fluid tank, a pipe connecting the first fluid tank to the second fluid tank for causing a flow of a liquid between the first and second fluid tanks, a conduit extending from the first and second fluid tanks for passing the liquid in the tanks exterior of the vehicle, and a pump connected to the conduit for passing the liquid under pressure through the conduit. The vehicle is an all-terrain vehicle. A foam concentrate tank is connected to the conduit and positioned on the vehicle generally adjacent one of the first and second fluid tanks. The foam concentrate tank has a line extending to and communicating with the conduit. The conduit includes a first hose extending from the conduit and connected to a spray boom and a second hose extending from the conduit and connected to a spray gun.