How Jet Engines on Tanks Put out Oil Fires

The Big Wind - Designed by a team of Hungarian engineers originally as a means of mass decontamination for Cold War-era tanks in the event of a CBRN (chemical, biological, radiological and nuclear) attack, this fire-fighting chimera has found a surprising niche in the modern world: putting out oil well fires.
The Big Wind is one part T-34 tank and two parts MiG 21 jet engine. Specifically its a T-34 tank chassis with a pair of Mig 21 jet engines mounted to its roof. Windy needs three crewmen: a driver inside the tank to steer and stop it; a controller in a rear cabin at the back of the platform to run the jet engines and the water jets; and a fire chief who walks about 15 feet away, issuing orders to the two other crew members through a remote-control unit.
When the water is turned on, the six nozzles above the MiG engines unleashing an immense blast of water that mingles with the jet exhaust and becomes a ferocious spray of steam. The water is moving at a maximum rate of 220 gallons of water a second, or twice what an average U.S. household uses in 24 hours. (If you hooked up this machine's water pump to a typical suburban swimming pool, it would suck it dry in about 50 seconds.

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