Best answer: Why do old jet engines smoke?

Why do jet cars smoke so much?

The outlet of the engine is fitted with a special fuel line that carries raw diesel fuel to a ring-like burner inside the outlet. This dumping of raw diesel fuel into the burner creates flames and smoke that make for some very special effects. … If the afterburner mode is used, the fuel is consumed even faster.

Why do b52 smoke so much?

There are a few reasons. The first is that the engines run more efficiently when the aircraft is moving. As the aircraft moves faster, it’s easier for it to get more air into the engine, which helps it run more efficiently. The second reason is even simpler: like most aircraft a B-52 only rarely runs at full throttle.

How do jets make smoke?

How does it work? The smoke is produced by pumping biodegradable, paraffin-based oil directly onto the hot exhaust nozzles (pistons engines) or exhaust fumes (jet engines) of the aircraft where the oil is instantly vaporized into thick smoke.

Why do some jets not leave contrails?

Contrails form when jet exhaust emits water vapor that condenses and freezes. Contrails don’t form for every airplane. The atmosphere where the plane is flying needs to have low vapor pressure and low temperature. … The short lived ones that only last a couple minutes after a plane passes.

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